C# - Sql数据类型的对应关系

<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>

ref: http://blog.csdn.net/leftfist/article/details/9129039

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