AjaxPro.Utility.RegisterTypeForAjax DropDownList三级联动

执行的类:

public class AjaxMethod
{
    [AjaxPro.AjaxMethod(AjaxPro.HttpSessionStateRequirement.Read)]
    
public DataSet GetDepartmentList(string CorpCd)
    
{
        ChooseEmployeeDSTableAdapters.DepartmentsTableAdapter adapter 
= new ChooseEmployeeDSTableAdapters.DepartmentsTableAdapter();
        ChooseEmployeeDS.DepartmentsDataTable table 
= adapter.GetData(CorpCd);

        DataSet ds 
= new DataSet();
        ds.Tables.Add(table);

        
return ds;
    }


    [AjaxPro.AjaxMethod(AjaxPro.HttpSessionStateRequirement.Read)]
    
public DataSet GetItemList(string DepartmentCd)
    
{
        ChooseEmployeeDSTableAdapters.ProjectsTableAdapter adapter 
= new ChooseEmployeeDSTableAdapters.ProjectsTableAdapter();
        ChooseEmployeeDS.ProjectsDataTable table 
= adapter.GetData(DepartmentCd);

        DataSet ds 
= new DataSet();
        ds.Tables.Add(table);

        
return ds;
    }


}


调用的页面.CS

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using BITOC.Portal.Lib;

public partial class Employee_ChooseEmployee : PortalBasePage
{

    
protected void Page_Load(object sender, EventArgs e)
    
{
        AjaxPro.Utility.RegisterTypeForAjax(
typeof(AjaxMethod), this);


        
if (!Page.IsPostBack && !Page.IsCallback)
        
{
            ddlCorp.Attributes.Add(
"onclick""DepartmentResult();");
            ddlDepartment.Attributes.Add(
"onclick""ItemResult();");
        }else    {
            string corp=Request.Form["corp"];
         

             string depart=Request.Form["ddlDepartment"];

           }

      
    }

}


调用的页面.ASPX

<%@ Page Language="C#" EnableEventValidation="false" AutoEventWireup="true" CodeFile="ChooseEmployee.aspx.cs" Inherits="Employee_ChooseEmployee" %>

<!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>
    
    
<script type="text/javascript">
    
    function DepartmentResult()
    
{
        var ddlCorp 
= document.getElementById("ddlCorp");
        AjaxMethod.GetDepartmentList(ddlCorp.value,get_Department_Result_CallBack);

        ItemResult();
    }

    
    function get_Department_Result_CallBack(response)
    
{
        
if (response.value != null)
        
{
            document.all(
"ddlDepartment").length=0;    
            var ds 
= response.value;
            
if(ds != null && typeof(ds) == "object" && ds.Tables != null)
            
{
                document.all(
"ddlDepartment").options.add(new Option(""""));
                
                
for(var i=0; i<ds.Tables[0].Rows.length; i++)
                
{
                    var name
=ds.Tables[0].Rows[i].NameChs;
                    var id
=ds.Tables[0].Rows[i].DepartmentCd;
                    document.all(
"ddlDepartment").options.add(new Option(name,id));
                }

            }

        }

        
return;
    }

    
    
    function ItemResult()
    
{
        var ddlDepartment 
= document.getElementById("ddlDepartment");
        AjaxMethod.GetItemList(ddlDepartment.value, get_item_Result_CallBack);
    }

    
    
    function get_item_Result_CallBack(response)
    
{
        
if (response.value != null)
        
{
            document.all(
"ddlItem").length=0;    
            var ds 
= response.value;
            
if(ds != null && typeof(ds) == "object" && ds.Tables != null)
            
{
                document.all(
"ddlItem").options.add(new Option(""""));
                
                
for(var i=0; i<ds.Tables[0].Rows.length; i++)
                
{
                    var name 
= ds.Tables[0].Rows[i].Name;
                    var id 
= ds.Tables[0].Rows[i].ProjectCd;
                    document.all(
"ddlItem").options.add(new Option(name,id));
                }

            }

        }

        
return;
    }



    function Check_Item()
    
{
        
if(document.all("ddlCorp"!= null)
        
{
            
if(document.all("ddlCorp").value == "")
            
{
                alert(
'');
                
return false;
            }

        }

        
    }

    
</script>
</head>
<body onload="DepartmentResult();ItemResult();">
    
<form id="form1" runat="server">
    
<div>
    
<table style="height: 30px">
        
<tr>
            
<td style="width:100px;">
                
<asp:Literal ID="Literal1" runat="server">姓名</asp:Literal></td>
            
<td style="width:300px;">
                
<asp:TextBox ID="txtUserName" runat="server" Width="120px"></asp:TextBox>
                
&nbsp;&nbsp;
                
<asp:CheckBox ID="chkAccord"
                    runat
="server" Text="前端一致" /></td>
        
</tr>
    
</table>
    
</div>
    
<asp:Panel ID="Panel1" runat="server" Height="1px" Width="125px">
    
<table style="height: 30px">
        
<tr>
            
<td style="width:100px;">
                
<asp:Literal ID="Literal2" runat="server">公司/门</asp:Literal></td>
            
<td style="width:400px;">
                
<asp:DropDownList ID="ddlCorp" runat="server" Width="240px" DataSourceID="ObjectDataSource1" DataTextField="NameChs" DataValueField="CompanyCd">
                
</asp:DropDownList>&nbsp;&nbsp; &nbsp;
                
<asp:DropDownList ID="ddlDepartment" runat="server" Width="120px" DataSourceID="ObjectDataSource3" DataTextField="NameChs" DataValueField="DepartmentCd">
                
</asp:DropDownList>
                
<asp:ObjectDataSource ID="ObjectDataSource1" runat="server" OldValuesParameterFormatString="original_{0}"
                    SelectMethod
="GetData" TypeName="ChooseEmployeeDSTableAdapters.CompaniesTableAdapter">
                
</asp:ObjectDataSource>
                
&nbsp;&nbsp;
                
<asp:ObjectDataSource ID="ObjectDataSource3" runat="server" OldValuesParameterFormatString="original_{0}"
                     SelectMethod
="Query" TypeName="ChooseEmployeeDSTableAdapters.DepartmentsTableAdapter" OnSelected="ObjectDataSource3_Selected">
                
</asp:ObjectDataSource>
            
</td>
        
</tr>
    
</table>
    
</asp:Panel>
    
<div style="height:30px">
    
<table style="height: 30px">
        
<tr>
            
<td style="width:100px;">
                
<asp:Literal ID="Literal3" runat="server">?</asp:Literal></td>
            
<td style="width:300px;">
                
<asp:DropDownList ID="ddlItem" runat="server" Width="180px" DataSourceID="ObjectDataSource4" DataTextField="Name" DataValueField="ProjectCd">
                
</asp:DropDownList>&nbsp;
                
<asp:ObjectDataSource ID="ObjectDataSource4" runat="server" OldValuesParameterFormatString="original_{0}"
                    SelectMethod
="Query" TypeName="ChooseEmployeeDSTableAdapters.ProjectsTableAdapter">
                
</asp:ObjectDataSource>
            
</td>
        
</tr>
    
</table>
    
</div>
    
</form>
</body>
</html>

 

posted @ 2011-09-08 09:26  茶海  阅读(420)  评论(0编辑  收藏  举报