sqlserver与c#中数据类型的对应关系///
/// 数据库中与c#中的数据类型对照 /// /// private string changetocsharptype(string type) { string reval=string.empty; switch(type.tolower()) { case "int": reval= "int32"; break; case "text": reval= "string"; break; case "bigint": reval= "int64"; break; case "binary": reval= "system.byte[]"; break; case "bit": // 0为false reval= "boolean"; break; case "char": reval= "string"; break; case "datetime": reval= "system.datetime"; break; case "decimal": reval= "system.decimal"; break; case "float": reval= "system.double"; break; case "image": reval= "system.byte[]"; break; case "money": reval= "system.decimal"; break; case "nchar": reval= "string"; break; case "ntext": reval= "string"; break; case "numeric": reval= "system.decimal"; break; case "nvarchar": reval= "string"; break; case "real": reval= "system.single"; break; case "smalldatetime": reval= "system.datetime"; break; case "smallint": reval= "int16"; break; case "smallmoney": reval= "system.decimal"; break; case "timestamp": reval= "system.datetime"; break; case "tinyint": reval= "system.byte"; break; case "uniqueidentifier": reval= "system.guid"; break; case "varbinary": reval= "system.byte[]"; break; case "varchar": reval= "string"; break; case "variant": reval="object"; break; default: reval= "string"; break; } return reval; } |