DataSetToJson 扩展方法

001	using System;

002	using System.Collections.Generic;

003	using System.Linq;

004	using System.Text;

005	using System.Data;

006

007	namespace Common

008

009

010	public static class JsonExtensions

011

012	#region DataSetToJson 扩展方法

013	/// <summary>

014	/// DataSetToJson 扩展方法

015	/// </summary>

016	/// <param name="ds">要传入的DataSet</param>

017	/// <param name="JsonName">Json的名称</param>

018	/// <param name="ParName">Json字段名称</param>

019	/// <returns>返回JSON字符串</returns>

020	public static string DataSetToJson(this DataSet ds, string JsonName, string[] ParName)

021

022

try

023

024	if (ds == null

025

026	return "DataSet Is Null ,So I Can't Do It To Json!"

027

028	if (JsonName.Length < 1)

029

030	return "You Set The Json Name Is Wrong!"

031

032	if (ds.Tables[0].Columns.Count < ParName.Length)

033

034	return "You Give The ParName Is Bigger Than DataSet Columns!"

035

036	string josn = "{" + JsonName + ":["

037	string temp = ""

038	for (int j = 0; j < ds.Tables[0].Rows.Count; j++)

039

040	temp = temp + "{"

041	for (int i = 0; i < ParName.Length; i++)

042

043	temp += "" + ParName[i] + ":\'" + ds.Tables[0].Rows[j][ParName[i]] + "\'"

044	if (i != ParName.Length - 1)

045

046	temp = temp + ","

047

048

049	if (j == ds.Tables[0].Rows.Count - 1)

050

051	temp = temp + "}"

052

053

else

054

055	temp = temp + "},"

056

057

058	josn = josn + temp + "]}"

059	return josn;

060

061	catch (Exception ex)

062

063	return "Codeing is Error----" + ex.ToString();

064

065

066

067

068	#endregion

069

070	#region  DataSetToJson 扩展方法

071	/// <summary>

072	/// DataSetToJson 扩展方法

073	/// </summary>

074	/// <param name="ds">要传入的DataSet</param>

075	/// <returns>返回JSON字符串<</returns>

076	public static string DataSetToJson(this DataSet ds)

077

078

try

079

080	if (ds == null

081

082	return "DataSet Is Null ,So I Can't Do It To Json!"

083

084	string josn = "["

085	string temp = ""

086	for (int j = 0; j < ds.Tables[0].Rows.Count; j++)

087

088	temp = temp + "{"

089	for (int i = 0; i < ds.Tables[0].Columns.Count; i++)

090

091	temp += "" + ds.Tables[0].Columns[i].ColumnName + ":\'" + ds.Tables[0].Rows[j][i] + "\'"

092	if (i != ds.Tables[0].Columns.Count - 1)

093

094	temp = temp + ","

095

096

097	if (j == ds.Tables[0].Rows.Count - 1)

098

099	temp = temp + "}"

100

101

else

102

103	temp = temp + "},"

104

105

106	josn = josn + temp + "]"

107	return josn;

108

109	catch (Exception ex)

110

111	return "Codeing is Error----" + ex.ToString();

112

113

114

115	#endregion

116

117

}