将SQLServer数据类型转换为.Net中SqlDbType类型-开发框架文库

将SQLServer数据类型转换为.Net中SqlDbType类型

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将SQLServer数据类型转换为.Net中SqlDbType类型

SQLServer数据类型转换为.Net中SqlDbType类型(版本1）

/// <summary>
/// 将SQLServer数据类型名称（如：varchar）转换为.Net中SqlDbType类型（如：SqlDbType.VarChar）
/// </summary>
/// <param name="sqlTypeString">SQLServer数据类型名称</param>
/// <returns></returns>
public static SqlDbType SqlTypeName2SqlType(string sqlTypeString)
{
   string[] SqlTypeNames = new string[] { "int", "varchar","bit" ,"datetime","decimal","float","image","money",
   "ntext","nvarchar","smalldatetime","smallint","text","bigint","binary","char","nchar","numeric",
   "real","smallmoney", "sql_variant","timestamp","tinyint","uniqueidentifier","varbinary","xml"};

   SqlDbType[] SqlTypes = new SqlDbType[] {SqlDbType.Int,SqlDbType.VarChar,SqlDbType.Bit ,SqlDbType.DateTime,SqlDbType.Decimal,SqlDbType.Float,SqlDbType.Image,SqlDbType.Money,
   SqlDbType.NText,SqlDbType.NVarChar,SqlDbType.SmallDateTime,SqlDbType.SmallInt,SqlDbType.Text,SqlDbType.BigInt,SqlDbType.Binary,SqlDbType.Char,SqlDbType.NChar,SqlDbType.Decimal,
   SqlDbType.Real,SqlDbType.SmallMoney, SqlDbType.Variant,SqlDbType.Timestamp,SqlDbType.TinyInt,SqlDbType.UniqueIdentifier,SqlDbType.VarBinary,SqlDbType.Xml};

   int i = Array.IndexOf(SqlTypeNames, sqlTypeString.ToLower());

   return SqlTypes[i];
}

// 来源:www.CSFramework.com, C/S结构框架学习网

SQLServer数据类型转换为.Net中SqlDbType类型(版本2）

C# Code:

/// <summary>
/// MsSql数据类型简称对应.NET类型 - MsSql数据类型(SqlDbType)名称对应.NET类型(Type)
/// </summary>
public static IDictionary<string, Type> SqlDbTypeName2NetTypeMapping
{
get
{
IDictionary<String, Type> map = new Dictionary<String, Type>();
map.Add("BigInt", typeof(System.Int64));
map.Add("Binary", typeof(System.Byte[]));
map.Add("Bit", typeof(System.Boolean));
map.Add("Char", typeof(System.Char));
map.Add("Cursor", typeof(System.Object));//前端不用
map.Add("Date", typeof(System.DateTime));
map.Add("DateTime", typeof(System.DateTime));
map.Add("DateTime2", typeof(System.DateTime));
map.Add("DateTimeOffset", typeof(System.DateTimeOffset));
map.Add("Decimal", typeof(System.Decimal));
map.Add("Float", typeof(System.Double));
map.Add("Image", typeof(System.Byte[]));
map.Add("Int", typeof(System.Int32));
map.Add("Money", typeof(System.Decimal));
map.Add("NChar", typeof(System.String));
map.Add("NText", typeof(System.String));
map.Add("NVarChar", typeof(System.String));
map.Add("Real", typeof(System.Double));//float类型,double
map.Add("SmallDateTime", typeof(System.DateTime));
map.Add("SmallInt", typeof(System.Int16));
map.Add("SmallMoney", typeof(System.Decimal));
map.Add("sql_variant", typeof(System.Object));//sql_variant
map.Add("Structured", typeof(System.Object));//前端不用
map.Add("Text", typeof(System.String));
map.Add("Time", typeof(System.DateTime));
map.Add("Timestamp", typeof(System.DateTime));//byte[], 可以定义为datetime
map.Add("TinyInt", typeof(System.Int16));
map.Add("Udt", typeof(System.Object));//前端不用，UDT是用户自定义数据类型
map.Add("UniqueIdentifier", typeof(System.Guid));
map.Add("VarBinary", typeof(System.Byte[]));
map.Add("VarChar", typeof(System.String));
map.Add("Variant", typeof(System.Object));//sql_variant
map.Add("Xml", typeof(System.String));

return map;
}
}

//来源:C/S框架网 | www.csframework.com | QQ:23404761

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原文链接：https://www.cscode.net/archive/newdoc/cs-210903193449156-93.html

NewDoc C/S框架网 2011-03-17 22:50 2021-06-20 00:39