SQLServer 2005 中的类型 与 C# 中的类型 对应 关系

<Language From="sql" To="C#">
   <Type From="bigint" To="long" />
   <Type From="binary" To="object" />
   <Type From="bit" To="bool" />
   <Type From="char" To="string" />
   <Type From="datetime" To="DateTime" />
   <Type From="decimal" To="decimal" />
   <Type From="float" To="double" />
   <Type From="image" To="byte[]" />
   <Type From="int" To="int" />
   <Type From="money" To="decimal" />
   <Type From="nchar" To="string" />
   <Type From="ntext" To="string" />
   <Type From="numeric" To="decimal" />
   <Type From="nvarchar" To="string" />
   <Type From="real" To="float" />
   <Type From="smalldatetime" To="DateTime" />
   <Type From="smallint" To="short" />
   <Type From="smallmoney" To="decimal" />
   <Type From="text" To="string" />
   <Type From="timestamp" To="byte[]" />
   <Type From="tinyint" To="byte" />
   <Type From="uniqueidentifier" To="Guid" />
   <Type From="varbinary" To="byte[]" />
   <Type From="varchar" To="string" />
   <Type From="xml" To="string" />
   <Type From="sql_variant" To="object" />
</Language>
<Language From="sql" To="C# System Types">
   <Type From="bigint" To="system.int64" />
   <Type From="binary" To="System.Object" />
   <Type From="bit" To="System.Boolean" />
   <Type From="char" To="System.String" />
   <Type From="datetime" To="System.DateTime" />
   <Type From="decimal" To="System.Decimal" />
   <Type From="float" To="System.Double" />
   <Type From="image" To="System.Byte[]" />
   <Type From="int" To="system.int32" />
   <Type From="money" To="System.Decimal" />
   <Type From="nchar" To="System.String" />
   <Type From="ntext" To="System.String" />
   <Type From="numeric" To="System.Decimal" />
   <Type From="nvarchar" To="System.String" />
   <Type From="real" To="System.Single" />
   <Type From="smalldatetime" To="System.DateTime" />
   <Type From="smallint" To="system.int16" />
   <Type From="smallmoney" To="System.Decimal" />
   <Type From="text" To="System.String" />
   <Type From="timestamp" To="System.Byte[]" />
   <Type From="tinyint" To="System.Byte" />
   <Type From="uniqueidentifier" To="System.Guid" />
   <Type From="varbinary" To="System.Byte[]" />
   <Type From="varchar" To="System.String" />
   <Type From="xml" To="System.String" />
   <Type From="sql_variant" To="System.Object" />
</Language>

 

<DbTarget From="sql" To="sqlClient">   <Type From="bigint" To="sqlDbType.BigInt" />   <Type From="binary" To="sqlDbType.Binary" />   <Type From="bit" To="sqlDbType.Bit" />   <Type From="char" To="sqlDbType.Char" />   <Type From="datetime" To="sqlDbType.DateTime" />   <Type From="decimal" To="sqlDbType.Decimal" />   <Type From="float" To="sqlDbType.Float" />   <Type From="image" To="sqlDbType.Image" />   <Type From="int" To="sqlDbType.Int" />   <Type From="money" To="sqlDbType.Money" />   <Type From="nchar" To="sqlDbType.NChar" />   <Type From="ntext" To="sqlDbType.NText" />   <Type From="numeric" To="sqlDbType.Decimal" />   <Type From="nvarchar" To="sqlDbType.NVarChar" />   <Type From="real" To="sqlDbType.Real" />   <Type From="smalldatetime" To="sqlDbType.SmallDateTime" />   <Type From="smallint" To="sqlDbType.SmallInt" />   <Type From="smallmoney" To="sqlDbType.SmallMoney" />   <Type From="text" To="sqlDbType.Text" />   <Type From="timestamp" To="sqlDbType.Timestamp" />   <Type From="tinyint" To="sqlDbType.tinyint" />   <Type From="uniqueidentifier" To="sqlDbType.UniqueIdentifier" />   <Type From="varbinary" To="sqlDbType.VarBinary" />   <Type From="varchar" To="sqlDbType.VarChar" />   <Type From="xml" To="sqlDbType.Xml" />   <Type From="sql_variant" To="sqlDbType.Variant" /></DbTarget><DbTarget From="sqlCE" To="sqlServerCe">   <Type From="bigint" To="sqlDbType.BigInt" />   <Type From="binary" To="sqlDbType.Binary" />   <Type From="bit" To="sqlDbType.Bit" />   <Type From="char" To="sqlDbType.Char" />   <Type From="datetime" To="sqlDbType.DateTime" />   <Type From="decimal" To="sqlDbType.Decimal" />   <Type From="float" To="sqlDbType.Float" />   <Type From="image" To="sqlDbType.Image" />   <Type From="int" To="sqlDbType.Int" />   <Type From="money" To="sqlDbType.Money" />   <Type From="nchar" To="sqlDbType.NChar" />   <Type From="ntext" To="sqlDbType.NText" />   <Type From="numeric" To="sqlDbType.Decimal" />   <Type From="nvarchar" To="sqlDbType.NVarChar" />   <Type From="real" To="sqlDbType.Real" />   <Type From="smalldatetime" To="sqlDbType.SmallDateTime" />   <Type From="smallint" To="sqlDbType.SmallInt" />   <Type From="smallmoney" To="sqlDbType.SmallMoney" />   <Type From="text" To="sqlDbType.Text" />   <Type From="timestamp" To="sqlDbType.Timestamp" />   <Type From="tinyint" To="sqlDbType.tinyint" />   <Type From="uniqueidentifier" To="sqlDbType.UniqueIdentifier" />   <Type From="varbinary" To="sqlDbType.VarBinary" />   <Type From="varchar" To="sqlDbType.VarChar" />   <Type From="xml" To="sqlDbType.Xml" />   <Type From="sql_variant" To="sqlDbType.Variant" /></DbTarget>