页面单击按钮弹出modaldialog然后调用ajax处理程序获取数据,给父级页面控件赋值

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="RefTopicList.aspx.cs" Inherits="Project.RefTopicList" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <base target="_self" />
        <script src="../jquery/jquery-1.8.0.min.js" type="text/javascript"></script>
    <script type="text/javascript">
        function Change(SCHeckBox, curHidOID) {
            var objs = document.getElementsByTagName("input");
            for (var i = 0; i < objs.length; i++) {
                if (objs[i].type.toLowerCase() == "checkbox")
                    objs[i].checked = false;
            }
            var SelectCheckBoxID = SCHeckBox.id;
            document.getElementById(SelectCheckBoxID).checked = true;
            $("#hidenOIDValue").val(curHidOID);

        }
        function GetHidValue() {

            if ($("#hidenOIDValue").val() != "") {
                returnValue = $("#hidenOIDValue").val();
                window.close();
            }
            else {
                alert('至少选择一项');
            }

        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <table  border="0" cellspacing="0" cellpadding="0">
            <tr>
                <td class="tb_td_content">
                    <asp:Button ID="QueryWatch"  runat="server" Text="&nbsp;&nbsp;查&nbsp;询&nbsp;&nbsp;" OnClick="QueryWatch_Click" />&nbsp;
                    <input id="btnSure" type="button" value="&nbsp;&nbsp;确&nbsp;定&nbsp;&nbsp;" 
                        onclick="GetHidValue();" />
                </td>
            </tr>
        </table>
    </div>
    <div id="DivGridview">
        <asp:GridView ID="CtrlGrid" runat="server" Width="80%" AllowSorting="True" CellPadding="0"
            BorderWidth="1px" BorderStyle="Solid" AutoGenerateColumns="False" OnRowDataBound="CtrlGrid_RowDataBound"
            PageSize="10"  Height="128px">
                      <Columns>
                <asp:TemplateField HeaderText="选择">
                    <ItemTemplate>
                        <asp:HiddenField runat="server" ID="hidenCheckOID" Value='<%#Eval("ID") %>' />
                        <asp:CheckBox runat="server" ID="chkSelect" />
                    </ItemTemplate>
                    <HeaderStyle Wrap="False" Width="60px" HorizontalAlign="Center" />
                    <ItemStyle Wrap="false" Width="60px" HorizontalAlign="Center" />
                </asp:TemplateField>
                  <asp:TemplateField HeaderText="名称">
                    <ItemTemplate>
                        <asp:Label ID="lblTopicName" runat="server" Text='<%# Eval("NAME")%>'></asp:Label>
                    </ItemTemplate>
                    <HeaderStyle Wrap="false" Width="100px" HorizontalAlign="Center" />
                    <ItemStyle Wrap="false" Width="150px" HorizontalAlign="Center" />
                </asp:TemplateField>
                         </Columns>
        </asp:GridView>
    </div>
    <asp:HiddenField ID="hidenOIDValue" runat="server" />
    </form>
</body>
</html>
 

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="EditProjectInfo.aspx.cs"     Inherits="EditProjectInfo" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> 

<head id="Head1" runat="server">    

<title></title>     

<link href="../../Themes/Default/control.css" rel="stylesheet" type="text/css" />     

<link href="../../Themes/Default/ui.css" rel="stylesheet" type="text/css" />    

<script src="../../Scripts/My97DatePicker/WdatePicker.js" type="text/javascript"></script>   

  <script src="../../Scripts/jquery/jquery-1.8.0.min.js" type="text/javascript"></script>     

<script src="../../Scripts/Validate/ControlValidate.js" type="text/javascript"></script>    

<link href="../../Themes/Default/controlvalidate.css" rel="stylesheet" type="text/css" /> 

    <script type="text/javascript">     

    $(document).ready(function () {          

      var typevalue=<%=base.GetParaValue("type") %>;          //后台传值判断是添加还是编辑             

//0代表是编辑,页面上的选择按钮隐藏      

if (typevalue == "0")       

         {             

    $("#btnSelect").hide();              

   }                        

else{          

//单击选择按钮弹出要选择的信息,选中之后在该页面获取该信息

      $("#btnSelect").click(function () {               

       var oidd = window.showModalDialog('RefTopicList.aspx',"", 'dialogWidth=900px;dialogHeight=650px;help=no;location=no;scroll=no;resizable=no');         

             if (oidd != undefined && oidd != "") {                                

              GetTopicJson(oidd);          //调用处理程序的方法,用json解析获取数据        

    }                  });            

  }          

     });        

  function GetTopicJson(oid) {          

    $.ajax({             

     type: "post",            

      url: "HandlerRefTipic.ashx?OID="+oid ,                

  dataType: "json",                

  success: function (data) 

{                      

      $("#txtprojectName").val(data[0].TOPIC_NAME);                             

               },                

  error: function (XMLHttpRequest, textStatus, errorThrown) {   alert(errorThrown);    }  

  });        

  }

    </script>

</head>

<body>    

<form id="form1" runat="server">

<div class="datagrid_search_div">
        <table class="tb" border="0" cellpadding="0" cellspacing="0">
            <tr>
                <td class="tb_td_title">
                    项目名称:
                </td>
                <td class="tb_td_content" colspan="3" valign="top">
                    &nbsp;<asp:TextBox ID="txtprojectName" runat="server" Width="500px" request="true"
                        MaxLength="100" CssClass="txtbox" ToolTip="项目名称,最多100个字符!"></asp:TextBox>
                    <input id="btnSelect" type="button" value="&nbsp;&nbsp;选&nbsp;择&nbsp;&nbsp;" class="btn_long" />
                </td>
            </tr>  

<tr>
                <td colspan="4" class="tb_td_content" style="text-align: center;">
                    <asp:Button ID="btnSave" runat="server" class="btn_long" Text="&nbsp;&nbsp;保&nbsp;存&nbsp;&nbsp;"
                        OnClick="btnSave_Click" />&nbsp;
                    <input id="btnReset" type="button" value="&nbsp;&nbsp;重&nbsp;置&nbsp;&nbsp;" class="btn_long"
                        runat="server" onclick="javascript:document.forms[0].reset();" />&nbsp;
                    <asp:Label ID="TipInfo" runat="server" ForeColor="Red" Font-Bold="True"></asp:Label>
                </td>
            </tr>
        </table>
    </div>

</body>
</html>
页面前台
<%@ WebHandler Language="C#" Class="HandlerRefTipic" %>

using System;
using System.Web;
public class HandlerRefTipic : IHttpHandler {
    
    public void ProcessRequest (HttpContext context) {
        context.Response.ContentType = "application/Json";
        context.Response.Clear();
       context.Response.Write(GetTopicToJson(context.Request["OID"]));
        context.Response.Flush();
        context.Response.End();
        
    }
    /// <summary>
    /// 根据标识得到课题对象实体转换成json格式输出
    /// </summary>
    /// <param name="oid"></param>
    /// <returns></returns>
    public string GetTopicToJson(string oid)
    {
         if(string.IsNullOrEmpty(oid))
         {
             return "";
         }
        TopicInfoObj obj = new TopicInfoRepository().GetTopicInfoObj(oid);
        string str=new ConvertToJson().EntityToJson(obj);
        return str;
         
        
    }
    public bool IsReusable {
        get {
            return false;
        }
    }

}
json解析获取数据
 protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
PageGridBind();

                           }
        }
 protected void CtrlGrid_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            try
            {
                 HiddenField hidenCheckID = (HiddenField)e.Row.FindControl("hidenCheckOID");
                CheckBox checkBox = e.Row.FindControl("chkSelect") as CheckBox;
                checkBox.Attributes.Add("onclick", "Change(" + checkBox.ClientID + ",'" + hidenCheckID.Value + "')");
                base.ChangeRowColor(e);
            }
            catch (Exception ex)
            {

                throw ex;
            }
        }
  protected void PageGridBind()
        {
            GridView view = (GridView)this.FindControl("CtrlGrid");
            if (view != null)
            {
               //DataTable   dt=huoqushuju();
                    view.DataSource = dt;
                    view.DataBind();
                }
            }
        }
最上面的页面后台代码

上面的js有的是我自己的样式文件,没有上传还有日历js都没有,大概就是这个思路,在第一个页面点击按钮然后弹出框,选中gridview中checkbox的,只能选择一行数据,获取到这行数据的id然后把这行数据通过json解析,然后再传到父级页面,给父级页面的控件赋值,就是这样一个思路,可以评论,吐槽,多多指正,谢谢! 

原文地址:https://www.cnblogs.com/652769324qq/p/3935545.html