Web services 将数据从Webservice(asmx)加载到jqgrid。请帮帮我
我创建了一个样本来测试jqgridWeb services 将数据从Webservice(asmx)加载到jqgrid。请帮帮我,web-services,json,jqgrid,asmx,Web Services,Json,Jqgrid,Asmx,我创建了一个样本来测试jqgrid <table id="list" class="scroll"> </table> <div id="pager" class="scroll" style="text-align:center;"></div> <button id="btnAdd" >Load Data</button>
<table id="list" class="scroll">
</table>
<div id="pager" class="scroll" style="text-align:center;"></div>
<button id="btnAdd" >Load Data</button>
<asp:TextBox ID="hidenfield" runat = "server" style="display:none"></asp:TextBox>
</div>
</form>
GetDataService.asmx:
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml.Linq;
using System.Web.Script.Services;
using System.Web.Script.Serialization;
using System.Collections.Generic;
using System.Data.SqlClient;
namespace ExampleJqGrid
{
/// <summary>
/// Summary description for GetDataService
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[ScriptService]
[ToolboxItem(false)]
// To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line.
// [System.Web.Script.Services.ScriptService]
public class GetDataService : System.Web.Services.WebService
{
[WebMethod]
public string GetProduct()
{
SqlConnection con = new SqlConnection(@"Data Source=NGUYEN-LAPTOP\SQLEXPRESS;Initial Catalog=ProductDB;Integrated Security=True");
//SqlCommand cmd = new SqlCommand("SELECT * FROM Products", con);
SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM Products", con);
DataSet ds = new DataSet();
da.Fill(ds);
DataTable dt = ds.Tables[0];
GetJSONFromDataTable getJsonDataTable = new GetJSONFromDataTable();
string json = getJsonDataTable.GetJSONString(dt);
string jonsData = GetJSONFromDataTable.JsonForJqgrid(dt, 10, 10, 2);
return jonsData;
}
}
}
<table id="list" class="scroll">
</table>
<div id="pager" class="scroll" style="text-align:center;"></div>
<button id="btnAdd" >Load Data</button>
<asp:TextBox ID="hidenfield" runat = "server" style="display:none"></asp:TextBox>
</div>
</form>
使用系统;
使用系统集合;
使用系统组件模型;
使用系统数据;
使用System.Linq;
使用System.Web;
使用System.Web.Services;
使用System.Web.Services.Protocols;
使用System.Xml.Linq;
使用System.Web.Script.Services;
使用System.Web.Script.Serialization;
使用System.Collections.Generic;
使用System.Data.SqlClient;
命名空间示例JQGrid
{
///
///GetDataService的摘要说明
///
[WebService(命名空间=”http://tempuri.org/")]
[WebServiceBinding(ConformsTo=WsiProfiles.BasicProfile1_1)]
[脚本服务]
[ToolboxItem(假)]
//要允许使用ASP.NET AJAX从脚本调用此Web服务,请取消注释以下行。
//[System.Web.Script.Services.ScriptService]
公共类GetDataService:System.Web.Services.WebService
{
[网络方法]
公共字符串GetProduct()
{
SqlConnection con=newsqlconnection(@“数据源=NGUYEN-LAPTOP\SQLEXPRESS;初始目录=ProductDB;集成安全=True”);
//SqlCommand cmd=新的SqlCommand(“从产品中选择*”,con);
SqlDataAdapter da=新的SqlDataAdapter(“从产品中选择*”,con);
数据集ds=新数据集();
da.填充(ds);
DataTable dt=ds.表[0];
GetJSONFromDataTable getJsonDataTable=新建GetJSONFromDataTable();
字符串json=getJsonDataTable.GetJSONString(dt);
字符串jonsData=GetJSONFromDataTable.JsonForJqgrid(dt,10,10,2);
返回琼斯达;
}
}
}
GetJSONFromDataTable.cs
using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Text;
using System.Web.Script.Serialization;
namespace ExampleJqGrid
{
public class GetJSONFromDataTable
{public static string JsonForJqgrid(DataTable dt, int pageSize, int totalRecords,int page)
{
int totalPages = (int)Math.Ceiling((float)totalRecords / (float)pageSize);
StringBuilder jsonBuilder = new StringBuilder();
jsonBuilder.Append("{");
jsonBuilder.Append("\"total\":" + totalPages + ",\"page\":" + page + ",\"records\":" + (totalRecords) + ",\"rows\"");
jsonBuilder.Append(":[");
for (int i = 0; i < dt.Rows.Count; i++)
{
jsonBuilder.Append("{\"i\":"+ (i) +",\"cell\":[");
for (int j = 0; j < dt.Columns.Count; j++)
{
jsonBuilder.Append("\"");
jsonBuilder.Append(dt.Rows[i][j].ToString());
jsonBuilder.Append("\",");
}
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
jsonBuilder.Append("]},");
}
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
jsonBuilder.Append("]");
jsonBuilder.Append("}");
return jsonBuilder.ToString();
}
}
}
public static string JsonForJqgrid(DataTable dt, int pageSize, int totalRecords,int page)
{
int totalPages = (int)Math.Ceiling((float)totalRecords / (float)pageSize);
StringBuilder jsonBuilder = new StringBuilder();
jsonBuilder.Append("{");
jsonBuilder.Append("\"total\":" + totalPages + ",\"page\":" + page + ",\"records\":" + (totalRecords) + ",\"rows\"");
jsonBuilder.Append(":[");
for (int i = 0; i < dt.Rows.Count; i++)
{
jsonBuilder.Append("{\"i\":"+ (i) +",\"cell\":[");
for (int j = 0; j < dt.Columns.Count; j++)
{
jsonBuilder.Append("\"");
jsonBuilder.Append(dt.Rows[i][j].ToString());
jsonBuilder.Append("\",");
}
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
jsonBuilder.Append("]},");
}
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
jsonBuilder.Append("]");
jsonBuilder.Append("}");
return jsonBuilder.ToString();
}
<table id="list" class="scroll">
</table>
<div id="pager" class="scroll" style="text-align:center;"></div>
<button id="btnAdd" >Load Data</button>
<asp:TextBox ID="hidenfield" runat = "server" style="display:none"></asp:TextBox>
</div>
</form>
使用系统;
使用系统数据;
使用系统配置;
使用System.Linq;
使用System.Web;
使用System.Web.Security;
使用System.Web.UI;
使用System.Web.UI.HTMLControl;
使用System.Web.UI.WebControl;
使用System.Web.UI.WebControl.WebParts;
使用System.Xml.Linq;
使用系统文本;
使用System.Web.Script.Serialization;
命名空间示例JQGrid
{
公共类GetJSONFromDataTable
{公共静态字符串JsonForJqgrid(DataTable dt,int pageSize,int totalRecords,int page)
{
int totalPages=(int)数学上限((float)totalRecords/(float)pageSize);
StringBuilder jsonBuilder=新的StringBuilder();
jsonBuilder.Append(“{”);
jsonBuilder.Append(“\“total\”:“+totalPages+”,\“page\”:“+page+”,\“records\”:“+(totalRecords)+”,\“rows\”);
jsonBuilder.Append(“:[”);
对于(int i=0;i
GetJSONFromDataTable.cs
using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Text;
using System.Web.Script.Serialization;
namespace ExampleJqGrid
{
public class GetJSONFromDataTable
{public static string JsonForJqgrid(DataTable dt, int pageSize, int totalRecords,int page)
{
int totalPages = (int)Math.Ceiling((float)totalRecords / (float)pageSize);
StringBuilder jsonBuilder = new StringBuilder();
jsonBuilder.Append("{");
jsonBuilder.Append("\"total\":" + totalPages + ",\"page\":" + page + ",\"records\":" + (totalRecords) + ",\"rows\"");
jsonBuilder.Append(":[");
for (int i = 0; i < dt.Rows.Count; i++)
{
jsonBuilder.Append("{\"i\":"+ (i) +",\"cell\":[");
for (int j = 0; j < dt.Columns.Count; j++)
{
jsonBuilder.Append("\"");
jsonBuilder.Append(dt.Rows[i][j].ToString());
jsonBuilder.Append("\",");
}
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
jsonBuilder.Append("]},");
}
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
jsonBuilder.Append("]");
jsonBuilder.Append("}");
return jsonBuilder.ToString();
}
}
}
public static string JsonForJqgrid(DataTable dt, int pageSize, int totalRecords,int page)
{
int totalPages = (int)Math.Ceiling((float)totalRecords / (float)pageSize);
StringBuilder jsonBuilder = new StringBuilder();
jsonBuilder.Append("{");
jsonBuilder.Append("\"total\":" + totalPages + ",\"page\":" + page + ",\"records\":" + (totalRecords) + ",\"rows\"");
jsonBuilder.Append(":[");
for (int i = 0; i < dt.Rows.Count; i++)
{
jsonBuilder.Append("{\"i\":"+ (i) +",\"cell\":[");
for (int j = 0; j < dt.Columns.Count; j++)
{
jsonBuilder.Append("\"");
jsonBuilder.Append(dt.Rows[i][j].ToString());
jsonBuilder.Append("\",");
}
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
jsonBuilder.Append("]},");
}
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
jsonBuilder.Append("]");
jsonBuilder.Append("}");
return jsonBuilder.ToString();
}
<table id="list" class="scroll">
</table>
<div id="pager" class="scroll" style="text-align:center;"></div>
<button id="btnAdd" >Load Data</button>
<asp:TextBox ID="hidenfield" runat = "server" style="display:none"></asp:TextBox>
</div>
</form>
公共静态字符串JsonForJqgrid(DataTable dt,int pageSize,int totalRecords,int page)
{
int totalPages=(int)数学上限((float)totalRecords/(float)pageSize);
StringBuilder jsonBuilder=新的StringBuilder();
jsonBuilder.Append(“{”);
jsonBuilder.Append(“\“total\”:“+totalPages+”,\“page\”:“+page+”,\“records\”:“+(totalRecords)+”,\“rows\”);
jsonBuilder.Append(“:[”);
对于(int i=0;i
default.asp
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs"
Inherits="ExampleJqGrid._Default" %>
<table id="list" class="scroll">
</table>
<div id="pager" class="scroll" style="text-align:center;"></div>
<button id="btnAdd" >Load Data</button>
<asp:TextBox ID="hidenfield" runat = "server" style="display:none"></asp:TextBox>
</div>
</form>
<table id="list" class="scroll">
</table>
<div id="pager" class="scroll" style="text-align:center;"></div>
<button id="btnAdd" >Load Data</button>
<asp:TextBox ID="hidenfield" runat = "server" style="display:none"></asp:TextBox>
</div>
</form>
函数getProducts()
{
$.ajax({
url:“/GetDataService.asmx/GetProduct”,
数据:“{}”,//对于空输入数据,请使用“{}”,
数据类型:“json”,
输入:“'GET'”,
contentType:“应用程序/json;字符集=utf-8”,
//成功:成功功能
/*完成*/成功:函数(jsondata)
{
警报(jsondata);
var thegrid=jQuery(“#list”)[0];
addJSONData(JSON.parse(jsondata));
}
});
}
函数dataBindToGrid()
{
jQuery(“#list”).jqGrid({
数据类型:getProducts(),
colNames:['ProductId','ProductName','Description','Price'],
colModel:[{name:'ProductId',index:'ProductId',宽度:200,align:'left'},
{名称:'ProductName',索引:'ProductName',宽度:200,对齐:'left'},
{名称:'Description',索引:'Description',宽度:200,对齐:'left'},
{名称:'Price',索引:'Price',宽度:200,对齐:'left'}
],
rowNum:10,
行列表:[5,10,20,50,100],
pager:jQuery(“#pager”),
//imgpath:“”,
imgpath:“~/Resources/themes/redmond/images”,
宽度:300,
viewrecords:正确
}).navGrid(分页器,{edit:true,add:false,del:false,search:false});
}
jQuery(文档).ready(函数(){
$(“#btnAdd”)。单击(dataBindToGrid);
});
<table id="list" class="scroll">
</table>
<div id="pager" class="scroll" style="text-align:center;"></div>
<button id="btnAdd" >Load Data</button>
<asp:TextBox ID="hidenfield" runat = "server" style="display:none"></asp:TextBox>
</div>
</form>
加载数据