Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Data / System / Data / SQLTypes / SQLSingle.cs / 1 / SQLSingle.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// junfang
// [....]
// [....]
//-----------------------------------------------------------------------------
//*************************************************************************
// @File: SqlSingle.cs
//
// Create by: JunFang
//
// Purpose: Implementation of SqlSingle which is equivalent to
// data type "real" in SQL Server
//
// Notes:
//
// History:
//
// 1/30/2000 JunFang Created and implemented as first drop.
//
// @EndHeader@
//*************************************************************************
using System;
using System.Data.Common;
using System.Runtime.InteropServices;
using System.Globalization;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Serialization;
namespace System.Data.SqlTypes {
///
///
/// Represents a floating point number within the range of -3.40E +38 through
/// 3.40E +38 to be stored in or retrieved from a database.
///
///
[StructLayout(LayoutKind.Sequential)]
[Serializable]
[XmlSchemaProvider("GetXsdType")]
public struct SqlSingle : INullable, IComparable, IXmlSerializable {
private bool m_fNotNull; // false if null
private float m_value;
// constructor
// construct a Null
private SqlSingle(bool fNull) {
m_fNotNull = false;
m_value = (float)0.0;
}
///
/// [To be supplied.]
///
public SqlSingle(float value) {
if (Single.IsInfinity(value) || Single.IsNaN(value))
throw new OverflowException(SQLResource.ArithOverflowMessage);
else {
m_fNotNull = true;
m_value = value;
}
}
///
/// [To be supplied.]
///
public SqlSingle(double value) : this(checked((float)value)) {
}
// INullable
///
/// [To be supplied.]
///
public bool IsNull {
get { return !m_fNotNull;}
}
// property: Value
///
/// [To be supplied.]
///
public float Value {
get {
if (m_fNotNull)
return m_value;
else
throw new SqlNullValueException();
}
}
// Implicit conversion from float to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(float x) {
return new SqlSingle(x);
}
// Explicit conversion from SqlSingle to float. Throw exception if x is Null.
///
/// [To be supplied.]
///
public static explicit operator float(SqlSingle x) {
return x.Value;
}
///
/// [To be supplied.]
///
public override String ToString() {
return IsNull ? SQLResource.NullString : m_value.ToString((IFormatProvider)null);
}
///
/// [To be supplied.]
///
public static SqlSingle Parse(String s) {
if (s == SQLResource.NullString)
return SqlSingle.Null;
else
return new SqlSingle(Single.Parse(s, CultureInfo.InvariantCulture));
}
// Unary operators
///
/// [To be supplied.]
///
public static SqlSingle operator -(SqlSingle x) {
return x.IsNull ? Null : new SqlSingle(-x.m_value);
}
// Binary operators
// Arithmetic operators
///
/// [To be supplied.]
///
public static SqlSingle operator +(SqlSingle x, SqlSingle y) {
if (x.IsNull || y.IsNull)
return Null;
float value = x.m_value + y.m_value;
if (Single.IsInfinity(value))
throw new OverflowException(SQLResource.ArithOverflowMessage);
return new SqlSingle(value);
}
///
/// [To be supplied.]
///
public static SqlSingle operator -(SqlSingle x, SqlSingle y) {
if (x.IsNull || y.IsNull)
return Null;
float value = x.m_value - y.m_value;
if (Single.IsInfinity(value))
throw new OverflowException(SQLResource.ArithOverflowMessage);
return new SqlSingle(value);
}
///
/// [To be supplied.]
///
public static SqlSingle operator *(SqlSingle x, SqlSingle y) {
if (x.IsNull || y.IsNull)
return Null;
float value = x.m_value * y.m_value;
if (Single.IsInfinity(value))
throw new OverflowException(SQLResource.ArithOverflowMessage);
return new SqlSingle(value);
}
///
/// [To be supplied.]
///
public static SqlSingle operator /(SqlSingle x, SqlSingle y) {
if (x.IsNull || y.IsNull)
return Null;
if (y.m_value == (float)0.0)
throw new DivideByZeroException(SQLResource.DivideByZeroMessage);
float value = x.m_value / y.m_value;
if (Single.IsInfinity(value))
throw new OverflowException(SQLResource.ArithOverflowMessage);
return new SqlSingle(value);
}
// Implicit conversions
// Implicit conversion from SqlBoolean to SqlSingle
///
/// [To be supplied.]
///
public static explicit operator SqlSingle(SqlBoolean x) {
return x.IsNull ? Null : new SqlSingle(x.ByteValue);
}
// Implicit conversion from SqlByte to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(SqlByte x) {
// Will not overflow
return x.IsNull ? Null : new SqlSingle((float)(x.Value));
}
// Implicit conversion from SqlInt16 to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(SqlInt16 x) {
// Will not overflow
return x.IsNull ? Null : new SqlSingle((float)(x.Value));
}
// Implicit conversion from SqlInt32 to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(SqlInt32 x) {
// Will not overflow
return x.IsNull ? Null : new SqlSingle((float)(x.Value));
}
// Implicit conversion from SqlInt64 to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(SqlInt64 x) {
// Will not overflow
return x.IsNull ? Null : new SqlSingle((float)(x.Value));
}
// Implicit conversion from SqlMoney to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(SqlMoney x) {
return x.IsNull ? Null : new SqlSingle(x.ToDouble());
}
// Implicit conversion from SqlDecimal to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(SqlDecimal x) {
// Will not overflow
return x.IsNull ? Null : new SqlSingle(x.ToDouble());
}
// Explicit conversions
// Explicit conversion from SqlDouble to SqlSingle
///
/// [To be supplied.]
///
public static explicit operator SqlSingle(SqlDouble x) {
return x.IsNull ? Null : new SqlSingle(x.Value);
}
// Explicit conversion from SqlString to SqlSingle
// Throws FormatException or OverflowException if necessary.
///
/// [To be supplied.]
///
public static explicit operator SqlSingle(SqlString x) {
if (x.IsNull)
return SqlSingle.Null;
return Parse(x.Value);
}
// Overloading comparison operators
///
/// [To be supplied.]
///
public static SqlBoolean operator==(SqlSingle x, SqlSingle y) {
return(x.IsNull || y.IsNull) ? SqlBoolean.Null : new SqlBoolean(x.m_value == y.m_value);
}
///
/// [To be supplied.]
///
public static SqlBoolean operator!=(SqlSingle x, SqlSingle y) {
return ! (x == y);
}
///
/// [To be supplied.]
///
public static SqlBoolean operator<(SqlSingle x, SqlSingle y) {
return(x.IsNull || y.IsNull) ? SqlBoolean.Null : new SqlBoolean(x.m_value < y.m_value);
}
///
/// [To be supplied.]
///
public static SqlBoolean operator>(SqlSingle x, SqlSingle y) {
return(x.IsNull || y.IsNull) ? SqlBoolean.Null : new SqlBoolean(x.m_value > y.m_value);
}
///
/// [To be supplied.]
///
public static SqlBoolean operator<=(SqlSingle x, SqlSingle y) {
return(x.IsNull || y.IsNull) ? SqlBoolean.Null : new SqlBoolean(x.m_value <= y.m_value);
}
///
/// [To be supplied.]
///
public static SqlBoolean operator>=(SqlSingle x, SqlSingle y) {
return(x.IsNull || y.IsNull) ? SqlBoolean.Null : new SqlBoolean(x.m_value >= y.m_value);
}
//--------------------------------------------------
// Alternative methods for overloaded operators
//--------------------------------------------------
// Alternative method for operator +
public static SqlSingle Add(SqlSingle x, SqlSingle y) {
return x + y;
}
// Alternative method for operator -
public static SqlSingle Subtract(SqlSingle x, SqlSingle y) {
return x - y;
}
// Alternative method for operator *
public static SqlSingle Multiply(SqlSingle x, SqlSingle y) {
return x * y;
}
// Alternative method for operator /
public static SqlSingle Divide(SqlSingle x, SqlSingle y) {
return x / y;
}
// Alternative method for operator ==
public static SqlBoolean Equals(SqlSingle x, SqlSingle y) {
return (x == y);
}
// Alternative method for operator !=
public static SqlBoolean NotEquals(SqlSingle x, SqlSingle y) {
return (x != y);
}
// Alternative method for operator <
public static SqlBoolean LessThan(SqlSingle x, SqlSingle y) {
return (x < y);
}
// Alternative method for operator >
public static SqlBoolean GreaterThan(SqlSingle x, SqlSingle y) {
return (x > y);
}
// Alternative method for operator <=
public static SqlBoolean LessThanOrEqual(SqlSingle x, SqlSingle y) {
return (x <= y);
}
// Alternative method for operator >=
public static SqlBoolean GreaterThanOrEqual(SqlSingle x, SqlSingle y) {
return (x >= y);
}
// Alternative method for conversions.
public SqlBoolean ToSqlBoolean() {
return (SqlBoolean)this;
}
public SqlByte ToSqlByte() {
return (SqlByte)this;
}
public SqlDouble ToSqlDouble() {
return (SqlDouble)this;
}
public SqlInt16 ToSqlInt16() {
return (SqlInt16)this;
}
public SqlInt32 ToSqlInt32() {
return (SqlInt32)this;
}
public SqlInt64 ToSqlInt64() {
return (SqlInt64)this;
}
public SqlMoney ToSqlMoney() {
return (SqlMoney)this;
}
public SqlDecimal ToSqlDecimal() {
return (SqlDecimal)this;
}
public SqlString ToSqlString() {
return (SqlString)this;
}
// IComparable
// Compares this object to another object, returning an integer that
// indicates the relationship.
// Returns a value less than zero if this < object, zero if this = object,
// or a value greater than zero if this > object.
// null is considered to be less than any instance.
// If object is not of same type, this method throws an ArgumentException.
///
/// [To be supplied.]
///
public int CompareTo(Object value) {
if (value is SqlSingle) {
SqlSingle i = (SqlSingle)value;
return CompareTo(i);
}
throw ADP.WrongType(value.GetType(), typeof(SqlSingle));
}
public int CompareTo(SqlSingle value) {
// If both Null, consider them equal.
// Otherwise, Null is less than anything.
if (IsNull)
return value.IsNull ? 0 : -1;
else if (value.IsNull)
return 1;
if (this < value) return -1;
if (this > value) return 1;
return 0;
}
// Compares this instance with a specified object
///
/// [To be supplied.]
///
public override bool Equals(Object value) {
if (!(value is SqlSingle)) {
return false;
}
SqlSingle i = (SqlSingle)value;
if (i.IsNull || IsNull)
return (i.IsNull && IsNull);
else
return (this == i).Value;
}
// For hashing purpose
///
/// [To be supplied.]
///
public override int GetHashCode() {
return IsNull ? 0 : Value.GetHashCode();
}
///
/// [To be supplied.]
///
XmlSchema IXmlSerializable.GetSchema() { return null; }
///
/// [To be supplied.]
///
void IXmlSerializable.ReadXml(XmlReader reader) {
string isNull = reader.GetAttribute("nil", XmlSchema.InstanceNamespace);
if (isNull != null && XmlConvert.ToBoolean(isNull)) {
m_fNotNull = false;
}
else {
m_value = XmlConvert.ToSingle(reader.ReadElementString());
m_fNotNull = true;
}
}
///
/// [To be supplied.]
///
void IXmlSerializable.WriteXml(XmlWriter writer) {
if (IsNull) {
writer.WriteAttributeString("xsi", "nil", XmlSchema.InstanceNamespace, "true");
}
else {
writer.WriteString(XmlConvert.ToString(m_value));
}
}
///
/// [To be supplied.]
///
public static XmlQualifiedName GetXsdType(XmlSchemaSet schemaSet) {
return new XmlQualifiedName("float", XmlSchema.Namespace);
}
///
/// [To be supplied.]
///
public static readonly SqlSingle Null = new SqlSingle(true);
///
/// [To be supplied.]
///
public static readonly SqlSingle Zero = new SqlSingle((float)0.0);
///
/// [To be supplied.]
///
public static readonly SqlSingle MinValue = new SqlSingle(Single.MinValue);
///
/// [To be supplied.]
///
public static readonly SqlSingle MaxValue = new SqlSingle(Single.MaxValue);
} // SqlSingle
} // namespace System.Data.SqlTypes
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// junfang
// [....]
// [....]
//-----------------------------------------------------------------------------
//*************************************************************************
// @File: SqlSingle.cs
//
// Create by: JunFang
//
// Purpose: Implementation of SqlSingle which is equivalent to
// data type "real" in SQL Server
//
// Notes:
//
// History:
//
// 1/30/2000 JunFang Created and implemented as first drop.
//
// @EndHeader@
//*************************************************************************
using System;
using System.Data.Common;
using System.Runtime.InteropServices;
using System.Globalization;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Serialization;
namespace System.Data.SqlTypes {
///
///
/// Represents a floating point number within the range of -3.40E +38 through
/// 3.40E +38 to be stored in or retrieved from a database.
///
///
[StructLayout(LayoutKind.Sequential)]
[Serializable]
[XmlSchemaProvider("GetXsdType")]
public struct SqlSingle : INullable, IComparable, IXmlSerializable {
private bool m_fNotNull; // false if null
private float m_value;
// constructor
// construct a Null
private SqlSingle(bool fNull) {
m_fNotNull = false;
m_value = (float)0.0;
}
///
/// [To be supplied.]
///
public SqlSingle(float value) {
if (Single.IsInfinity(value) || Single.IsNaN(value))
throw new OverflowException(SQLResource.ArithOverflowMessage);
else {
m_fNotNull = true;
m_value = value;
}
}
///
/// [To be supplied.]
///
public SqlSingle(double value) : this(checked((float)value)) {
}
// INullable
///
/// [To be supplied.]
///
public bool IsNull {
get { return !m_fNotNull;}
}
// property: Value
///
/// [To be supplied.]
///
public float Value {
get {
if (m_fNotNull)
return m_value;
else
throw new SqlNullValueException();
}
}
// Implicit conversion from float to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(float x) {
return new SqlSingle(x);
}
// Explicit conversion from SqlSingle to float. Throw exception if x is Null.
///
/// [To be supplied.]
///
public static explicit operator float(SqlSingle x) {
return x.Value;
}
///
/// [To be supplied.]
///
public override String ToString() {
return IsNull ? SQLResource.NullString : m_value.ToString((IFormatProvider)null);
}
///
/// [To be supplied.]
///
public static SqlSingle Parse(String s) {
if (s == SQLResource.NullString)
return SqlSingle.Null;
else
return new SqlSingle(Single.Parse(s, CultureInfo.InvariantCulture));
}
// Unary operators
///
/// [To be supplied.]
///
public static SqlSingle operator -(SqlSingle x) {
return x.IsNull ? Null : new SqlSingle(-x.m_value);
}
// Binary operators
// Arithmetic operators
///
/// [To be supplied.]
///
public static SqlSingle operator +(SqlSingle x, SqlSingle y) {
if (x.IsNull || y.IsNull)
return Null;
float value = x.m_value + y.m_value;
if (Single.IsInfinity(value))
throw new OverflowException(SQLResource.ArithOverflowMessage);
return new SqlSingle(value);
}
///
/// [To be supplied.]
///
public static SqlSingle operator -(SqlSingle x, SqlSingle y) {
if (x.IsNull || y.IsNull)
return Null;
float value = x.m_value - y.m_value;
if (Single.IsInfinity(value))
throw new OverflowException(SQLResource.ArithOverflowMessage);
return new SqlSingle(value);
}
///
/// [To be supplied.]
///
public static SqlSingle operator *(SqlSingle x, SqlSingle y) {
if (x.IsNull || y.IsNull)
return Null;
float value = x.m_value * y.m_value;
if (Single.IsInfinity(value))
throw new OverflowException(SQLResource.ArithOverflowMessage);
return new SqlSingle(value);
}
///
/// [To be supplied.]
///
public static SqlSingle operator /(SqlSingle x, SqlSingle y) {
if (x.IsNull || y.IsNull)
return Null;
if (y.m_value == (float)0.0)
throw new DivideByZeroException(SQLResource.DivideByZeroMessage);
float value = x.m_value / y.m_value;
if (Single.IsInfinity(value))
throw new OverflowException(SQLResource.ArithOverflowMessage);
return new SqlSingle(value);
}
// Implicit conversions
// Implicit conversion from SqlBoolean to SqlSingle
///
/// [To be supplied.]
///
public static explicit operator SqlSingle(SqlBoolean x) {
return x.IsNull ? Null : new SqlSingle(x.ByteValue);
}
// Implicit conversion from SqlByte to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(SqlByte x) {
// Will not overflow
return x.IsNull ? Null : new SqlSingle((float)(x.Value));
}
// Implicit conversion from SqlInt16 to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(SqlInt16 x) {
// Will not overflow
return x.IsNull ? Null : new SqlSingle((float)(x.Value));
}
// Implicit conversion from SqlInt32 to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(SqlInt32 x) {
// Will not overflow
return x.IsNull ? Null : new SqlSingle((float)(x.Value));
}
// Implicit conversion from SqlInt64 to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(SqlInt64 x) {
// Will not overflow
return x.IsNull ? Null : new SqlSingle((float)(x.Value));
}
// Implicit conversion from SqlMoney to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(SqlMoney x) {
return x.IsNull ? Null : new SqlSingle(x.ToDouble());
}
// Implicit conversion from SqlDecimal to SqlSingle
///
/// [To be supplied.]
///
public static implicit operator SqlSingle(SqlDecimal x) {
// Will not overflow
return x.IsNull ? Null : new SqlSingle(x.ToDouble());
}
// Explicit conversions
// Explicit conversion from SqlDouble to SqlSingle
///
/// [To be supplied.]
///
public static explicit operator SqlSingle(SqlDouble x) {
return x.IsNull ? Null : new SqlSingle(x.Value);
}
// Explicit conversion from SqlString to SqlSingle
// Throws FormatException or OverflowException if necessary.
///
/// [To be supplied.]
///
public static explicit operator SqlSingle(SqlString x) {
if (x.IsNull)
return SqlSingle.Null;
return Parse(x.Value);
}
// Overloading comparison operators
///
/// [To be supplied.]
///
public static SqlBoolean operator==(SqlSingle x, SqlSingle y) {
return(x.IsNull || y.IsNull) ? SqlBoolean.Null : new SqlBoolean(x.m_value == y.m_value);
}
///
/// [To be supplied.]
///
public static SqlBoolean operator!=(SqlSingle x, SqlSingle y) {
return ! (x == y);
}
///
/// [To be supplied.]
///
public static SqlBoolean operator<(SqlSingle x, SqlSingle y) {
return(x.IsNull || y.IsNull) ? SqlBoolean.Null : new SqlBoolean(x.m_value < y.m_value);
}
///
/// [To be supplied.]
///
public static SqlBoolean operator>(SqlSingle x, SqlSingle y) {
return(x.IsNull || y.IsNull) ? SqlBoolean.Null : new SqlBoolean(x.m_value > y.m_value);
}
///
/// [To be supplied.]
///
public static SqlBoolean operator<=(SqlSingle x, SqlSingle y) {
return(x.IsNull || y.IsNull) ? SqlBoolean.Null : new SqlBoolean(x.m_value <= y.m_value);
}
///
/// [To be supplied.]
///
public static SqlBoolean operator>=(SqlSingle x, SqlSingle y) {
return(x.IsNull || y.IsNull) ? SqlBoolean.Null : new SqlBoolean(x.m_value >= y.m_value);
}
//--------------------------------------------------
// Alternative methods for overloaded operators
//--------------------------------------------------
// Alternative method for operator +
public static SqlSingle Add(SqlSingle x, SqlSingle y) {
return x + y;
}
// Alternative method for operator -
public static SqlSingle Subtract(SqlSingle x, SqlSingle y) {
return x - y;
}
// Alternative method for operator *
public static SqlSingle Multiply(SqlSingle x, SqlSingle y) {
return x * y;
}
// Alternative method for operator /
public static SqlSingle Divide(SqlSingle x, SqlSingle y) {
return x / y;
}
// Alternative method for operator ==
public static SqlBoolean Equals(SqlSingle x, SqlSingle y) {
return (x == y);
}
// Alternative method for operator !=
public static SqlBoolean NotEquals(SqlSingle x, SqlSingle y) {
return (x != y);
}
// Alternative method for operator <
public static SqlBoolean LessThan(SqlSingle x, SqlSingle y) {
return (x < y);
}
// Alternative method for operator >
public static SqlBoolean GreaterThan(SqlSingle x, SqlSingle y) {
return (x > y);
}
// Alternative method for operator <=
public static SqlBoolean LessThanOrEqual(SqlSingle x, SqlSingle y) {
return (x <= y);
}
// Alternative method for operator >=
public static SqlBoolean GreaterThanOrEqual(SqlSingle x, SqlSingle y) {
return (x >= y);
}
// Alternative method for conversions.
public SqlBoolean ToSqlBoolean() {
return (SqlBoolean)this;
}
public SqlByte ToSqlByte() {
return (SqlByte)this;
}
public SqlDouble ToSqlDouble() {
return (SqlDouble)this;
}
public SqlInt16 ToSqlInt16() {
return (SqlInt16)this;
}
public SqlInt32 ToSqlInt32() {
return (SqlInt32)this;
}
public SqlInt64 ToSqlInt64() {
return (SqlInt64)this;
}
public SqlMoney ToSqlMoney() {
return (SqlMoney)this;
}
public SqlDecimal ToSqlDecimal() {
return (SqlDecimal)this;
}
public SqlString ToSqlString() {
return (SqlString)this;
}
// IComparable
// Compares this object to another object, returning an integer that
// indicates the relationship.
// Returns a value less than zero if this < object, zero if this = object,
// or a value greater than zero if this > object.
// null is considered to be less than any instance.
// If object is not of same type, this method throws an ArgumentException.
///
/// [To be supplied.]
///
public int CompareTo(Object value) {
if (value is SqlSingle) {
SqlSingle i = (SqlSingle)value;
return CompareTo(i);
}
throw ADP.WrongType(value.GetType(), typeof(SqlSingle));
}
public int CompareTo(SqlSingle value) {
// If both Null, consider them equal.
// Otherwise, Null is less than anything.
if (IsNull)
return value.IsNull ? 0 : -1;
else if (value.IsNull)
return 1;
if (this < value) return -1;
if (this > value) return 1;
return 0;
}
// Compares this instance with a specified object
///
/// [To be supplied.]
///
public override bool Equals(Object value) {
if (!(value is SqlSingle)) {
return false;
}
SqlSingle i = (SqlSingle)value;
if (i.IsNull || IsNull)
return (i.IsNull && IsNull);
else
return (this == i).Value;
}
// For hashing purpose
///
/// [To be supplied.]
///
public override int GetHashCode() {
return IsNull ? 0 : Value.GetHashCode();
}
///
/// [To be supplied.]
///
XmlSchema IXmlSerializable.GetSchema() { return null; }
///
/// [To be supplied.]
///
void IXmlSerializable.ReadXml(XmlReader reader) {
string isNull = reader.GetAttribute("nil", XmlSchema.InstanceNamespace);
if (isNull != null && XmlConvert.ToBoolean(isNull)) {
m_fNotNull = false;
}
else {
m_value = XmlConvert.ToSingle(reader.ReadElementString());
m_fNotNull = true;
}
}
///
/// [To be supplied.]
///
void IXmlSerializable.WriteXml(XmlWriter writer) {
if (IsNull) {
writer.WriteAttributeString("xsi", "nil", XmlSchema.InstanceNamespace, "true");
}
else {
writer.WriteString(XmlConvert.ToString(m_value));
}
}
///
/// [To be supplied.]
///
public static XmlQualifiedName GetXsdType(XmlSchemaSet schemaSet) {
return new XmlQualifiedName("float", XmlSchema.Namespace);
}
///
/// [To be supplied.]
///
public static readonly SqlSingle Null = new SqlSingle(true);
///
/// [To be supplied.]
///
public static readonly SqlSingle Zero = new SqlSingle((float)0.0);
///
/// [To be supplied.]
///
public static readonly SqlSingle MinValue = new SqlSingle(Single.MinValue);
///
/// [To be supplied.]
///
public static readonly SqlSingle MaxValue = new SqlSingle(Single.MaxValue);
} // SqlSingle
} // namespace System.Data.SqlTypes
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- CommandPlan.cs
- ListViewCommandEventArgs.cs
- ResourceReferenceKeyNotFoundException.cs
- PhysicalFontFamily.cs
- MembershipSection.cs
- HttpInputStream.cs
- ListItem.cs
- ToolStripInSituService.cs
- Assembly.cs
- RequestCacheValidator.cs
- Source.cs
- DataGridViewCellFormattingEventArgs.cs
- EventLogQuery.cs
- ButtonBase.cs
- DelegateTypeInfo.cs
- DoubleLinkListEnumerator.cs
- ConfigurationSchemaErrors.cs
- ColumnResizeAdorner.cs
- StyleSheetRefUrlEditor.cs
- NativeMethods.cs
- DefaultEvaluationContext.cs
- MetaTableHelper.cs
- BuiltInExpr.cs
- IdentitySection.cs
- CommandPlan.cs
- OleDbRowUpdatingEvent.cs
- WebScriptMetadataMessage.cs
- DemultiplexingClientMessageFormatter.cs
- KeyGestureValueSerializer.cs
- PropertySegmentSerializationProvider.cs
- ViewgenGatekeeper.cs
- XPathNode.cs
- GridViewPageEventArgs.cs
- SystemEvents.cs
- AndMessageFilterTable.cs
- BitmapEffectInput.cs
- TypeSemantics.cs
- StretchValidation.cs
- SqlDataSourceSelectingEventArgs.cs
- XPathParser.cs
- CancelEventArgs.cs
- ArraySegment.cs
- UrlPropertyAttribute.cs
- TextCollapsingProperties.cs
- JapaneseLunisolarCalendar.cs
- SqlProcedureAttribute.cs
- BuildDependencySet.cs
- RNGCryptoServiceProvider.cs
- UniqueIdentifierService.cs
- Win32Native.cs
- EventManager.cs
- GridViewDesigner.cs
- XNameTypeConverter.cs
- StatusBar.cs
- ControllableStoryboardAction.cs
- SessionStateItemCollection.cs
- TransportDefaults.cs
- QualificationDataItem.cs
- RawStylusInputCustomData.cs
- SettingsPropertyCollection.cs
- CacheManager.cs
- DocumentSequenceHighlightLayer.cs
- PieceDirectory.cs
- RegexMatch.cs
- UseManagedPresentationBindingElement.cs
- SafeFileHandle.cs
- FilterQuery.cs
- ValidationRule.cs
- Bitmap.cs
- SuppressMergeCheckAttribute.cs
- SiteMapDataSourceView.cs
- ReferentialConstraint.cs
- Rights.cs
- NameValuePair.cs
- EndpointConfigContainer.cs
- ConnectionStringsExpressionBuilder.cs
- RankException.cs
- SettingsAttributes.cs
- ActiveXHost.cs
- DataServiceBehavior.cs
- RectKeyFrameCollection.cs
- Int32.cs
- DataTrigger.cs
- RadioButtonPopupAdapter.cs
- DataViewManager.cs
- ImmComposition.cs
- MethodBuilderInstantiation.cs
- GPStream.cs
- SerializationException.cs
- UpdateException.cs
- PersonalizationProviderCollection.cs
- HashAlgorithm.cs
- MenuStrip.cs
- HandlerFactoryCache.cs
- StringUtil.cs
- ProjectionCamera.cs
- MostlySingletonList.cs
- CharKeyFrameCollection.cs
- SafeRightsManagementPubHandle.cs
- StoreItemCollection.Loader.cs