| bit | bool |
| tinyint | byte |
| smallint | short |
| int | int |
| bigint | long |
| real | float |
| float | double |
| money | decimal |
| datetime | DateTime |
| char | string |
| varchar | string |
| nchar | string |
| nvarchar | string |
| text | string |
| ntext | string |
| image | byte[] |
| binary | byte[] |
| uniqueidentifier | Guid |
?
?
// SqlDbType转换为C#数据类型 public static Type SqlType2CsharpType(SqlDbType sqlType) { switch (sqlType) { case SqlDbType.BigInt: return typeof(Int64); case SqlDbType.Binary: return typeof(Object); case SqlDbType.Bit: return typeof(Boolean); case SqlDbType.Char: return typeof(String); case SqlDbType.DateTime: return typeof(DateTime); case SqlDbType.Decimal: return typeof(Decimal); case SqlDbType.Float: return typeof(Double); case SqlDbType.Image: return typeof(Object); case SqlDbType.Int: return typeof(Int32); case SqlDbType.Money: return typeof(Decimal); case SqlDbType.NChar: return typeof(String); case SqlDbType.NText: return typeof(String); case SqlDbType.NVarChar: return typeof(String); case SqlDbType.Real: return typeof(Single); case SqlDbType.SmallDateTime: return typeof(DateTime); case SqlDbType.SmallInt: return typeof(Int16); case SqlDbType.SmallMoney: return typeof(Decimal); case SqlDbType.Text: return typeof(String); case SqlDbType.Timestamp: return typeof(Object); case SqlDbType.TinyInt: return typeof(Byte); case SqlDbType.Udt://自定义的数据类型 return typeof(Object); case SqlDbType.UniqueIdentifier: return typeof(Object); case SqlDbType.VarBinary: return typeof(Object); case SqlDbType.VarChar: return typeof(String); case SqlDbType.Variant: return typeof(Object); case SqlDbType.Xml: return typeof(Object); default: return null; } } ?