Repeater嵌套,增删改查综合运用

using System;


using System.Data;


using System.Data.SqlClient;


using System.Configuration;


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;




public partial class Default2 : System.Web.UI.Page




...{


private const string connectionStr = @"Data Source=.SQLEXPRESS;AttachDbFilename=D:QianTaoApp_Datadb.mdf;Integrated Security=True;User Instance=True";




protected void Page_Load(object sender, EventArgs e)




...{


if(!IsPostBack)




...{


SetBind();


}


}




protected void rptClass_ItemCommand(object source, RepeaterCommandEventArgs e)




...{


//判断是否添加类别


if (e.CommandName == "AddClass")




...{


TextBox tb = e.Item.FindControl("txtClassName") as TextBox;


using(SqlConnection conn = new SqlConnection(connectionStr))




...{


conn.Open();


using(SqlCommand cmd = new SqlCommand("insert into tb_Class(className) values(@className)", conn))




...{


cmd.Parameters.AddWithValue("@className", tb.Text);


cmd.ExecuteNonQuery();


SetBind();


}


}


}


//判断是否删除类别


if (e.CommandName == "DelClass")




...{


using (SqlConnection conn = new SqlConnection(connectionStr))




...{


conn.Open();


using (SqlCommand cmd = new SqlCommand("delete from tb_Module where classId=@classId;delete from tb_Class where id=@classId", conn))




...{


cmd.Parameters.AddWithValue("@classId", e.CommandArgument);


cmd.ExecuteNonQuery();


SetBind();


}


}


}


//判断是否修改类别


if (e.CommandName == "UpdateClass")




...{


TextBox tb = e.Item.FindControl("txtClassName") as TextBox;


using (SqlConnection conn = new SqlConnection(connectionStr))




...{


conn.Open();


using (SqlCommand cmd = new SqlCommand("update tb_Class set className=@className where id=@id", conn))




...{


cmd.Parameters.AddWithValue("@className", tb.Text);


cmd.Parameters.AddWithValue("@id", e.CommandArgument);


cmd.ExecuteNonQuery();


SetBind();


}


}


}


//判断是否添加模块


if (e.CommandName == "AddModule")




...{


TextBox tb = e.Item.FindControl("txtModuleName") as TextBox;


using (SqlConnection conn = new SqlConnection(connectionStr))




...{


conn.Open();


using (SqlCommand cmd = new SqlCommand("insert into tb_Module(classId,moduleName)values(@classId,@moduleName)", conn))




...{


cmd.Parameters.AddWithValue("@moduleName", tb.Text);


cmd.Parameters.AddWithValue("@classId", e.CommandArgument);


cmd.ExecuteNonQuery();


SetBind();


}


}


}


}






/**//**//**//**//**//**//**//// <summary>


/// 嵌套repeater的ItemCommand事件


/// </summary>


protected void rptModule_ItemCommand(object source, RepeaterCommandEventArgs e)




...{


//判断是否删除模块


if (e.CommandName == "DelModule")




...{


using (SqlConnection conn = new SqlConnection(connectionStr))




...{


conn.Open();


using (SqlCommand cmd = new SqlCommand("delete from tb_Module where id=@Id;", conn))




...{


cmd.Parameters.AddWithValue("@Id", e.CommandArgument);


cmd.ExecuteNonQuery();


SetBind();


}


}


}


//判断是否修改模块


if (e.CommandName == "UpdateModule")




...{


TextBox tb = e.Item.FindControl("txtModuleName") as TextBox;


using (SqlConnection conn = new SqlConnection(connectionStr))




...{


conn.Open();


using (SqlCommand cmd = new SqlCommand("update tb_Module set moduleName=@Name where id=@id", conn))




...{


cmd.Parameters.AddWithValue("@Name", tb.Text);


cmd.Parameters.AddWithValue("@id", e.CommandArgument);


cmd.ExecuteNonQuery();


SetBind();


}


}


}


}






/**//**//**//**//**//**//**//// <summary>


/// 绑定Repeater


/// </summary>


private void SetBind()




...{


DataSet ds = new DataSet();


using(SqlConnection conn = new SqlConnection(connectionStr))




...{


SqlDataAdapter adapter =


new SqlDataAdapter("select * from tb_Class",conn);


adapter.Fill(ds);


}


rptClass.DataSource = ds;


rptClass.DataBind();


}




protected void rptClass_ItemDataBound(object sender, RepeaterItemEventArgs e)




...{


if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)




...{


Repeater rpt = e.Item.FindControl("rptModule") as Repeater;


//找到分类Repeater关联的数据项


DataRowView rowv = (DataRowView)e.Item.DataItem;


//提取分类ID


int id = (int)rowv["id"];


DataSet ds = new DataSet();


using (SqlConnection conn = new SqlConnection(connectionStr))




...{


SqlDataAdapter adapter =


new SqlDataAdapter("select * from tb_Module where classId="+ id +"", conn);


adapter.Fill(ds);


}




rpt.DataSource = ds;


rpt.DataBind();


}




}


}






<%...@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>




<!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>无标题页</title>


</head>


<body>


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


<div>


<asp:Repeater ID="rptClass" runat="server" OnItemCommand="rptClass_ItemCommand" OnItemDataBound="rptClass_ItemDataBound">


<HeaderTemplate>


<table>


<tr style="background-color:yellow">


<td>


添加类别:


<asp:TextBox ID="txtClassName" runat="server">


</asp:TextBox>


<asp:Button ID="btnAddClass" runat="server" CommandName="AddClass" Text="添加" />


</td>


</tr>


</HeaderTemplate>


<ItemTemplate>


<tr style="background-color:#CCCCCC">


<td>


<asp:Button ID="btnDelClass" CommandArgument='<%# Eval("id") %>' CommandName="DelClass" runat="server" Text="删除类别" />


<asp:TextBox ID="txtClassName" runat="server" Text='<%# Eval("className") %>'>


</asp:TextBox>


<asp:Button ID="btnUpdateClass" CommandArgument='<%# Eval("id") %>' CommandName="UpdateClass" runat="server" Text="修改类别" />


</td>


</tr>


<tr>


<td>


添加模块:


<asp:TextBox ID="txtModuleName" runat="server">


</asp:TextBox>


<asp:Button ID="btnAddModule" runat="server" CommandName="AddModule" CommandArgument='<%# Eval("id") %>' Text="添加" />


</td>


</tr>


<tr>


<td>


<asp:Repeater ID="rptModule" runat="server"


OnItemCommand='rptModule_ItemCommand'>


<ItemTemplate>


<tr>


<td>


    -----------------


<asp:Button ID="btnDeleteModule" CommandArgument='<%# Eval("id") %>' CommandName="DelModule" runat="server" Text="删除模块" />


<asp:TextBox ID="txtModuleName" Text='<%# Eval("moduleName") %>' runat="server"></asp:TextBox>


<asp:Button ID="btnUpdateModule" CommandArgument='<%# Eval("id") %>' CommandName="UpdateModule" runat="server" Text="修改模块" />


</td>


</tr>


</ItemTemplate>


</asp:Repeater>


</td>


</tr>


</ItemTemplate>


<FooterTemplate>


</table>


</FooterTemplate>


</asp:Repeater>




</div>


</form>


</body>


</html>