GridView控件修改、删除示例（修改含有DropDownList控件

GridViewUp.aspx文件代码：

<% @PageLanguage = " C# " AutoEventWireup = " true " CodeFile = " GridViewUp.aspx.cs " Inherits = " gridview_GridViewUp " %>

<! DOCTYPEhtmlPUBLIC " -//W3C//DTDXHTML1.0Transitional//EN " " http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd " >
< htmlxmlns = " http://www.w3.org/1999/xhtml " >
< headrunat = " server " >
< title > 无标题页 </ title >
</ head >
< body >
< formid = " form1 " runat = " server " >
< div >
< tablecellpadding = " 0 " cellspacing = " 0 " border = " 0 " width = " 80% " style = " font-size:11px " >
< tr >
< tdalign = " center " >
< asp:GridViewID = " GridView1 " runat = " server " Width = " 100% " CellPadding = " 4 " ForeColor = " #333333 "
AutoGenerateColumns = " False " AllowPaging = " True " PageSize = " 12 " OnRowCancelingEdit = " GridView1_RowCancelingEdit "
OnRowEditing = " GridView1_RowEditing " OnRowUpdating = " GridView1_RowUpdating " OnRowDeleting = " GridView1_RowDeleting "
DataKeyNames = " id,name " OnPageIndexChanging = " GridView1_PageIndexChanging " DataMember = " card,price " OnRowDataBound = " GridView1_RowDataBound " GridLines = " None " >
< Columns >
< asp:BoundFieldHeaderText = " 编号 " DataField = " id " ReadOnly = " True " />
< asp:BoundFieldDataField = " name " HeaderText = " 姓名 " ReadOnly = " True " />
< asp:TemplateFieldHeaderText = " 身份证号 " >
< ItemTemplate >
<% #Eval( " card " ) %>
</ ItemTemplate >
< EditItemTemplate >
< asp:TextBoxID = " TBCard " Text = ' <%#Eval("card")%> ' runat = " server " Width = " 140px " />
</ EditItemTemplate >
< ItemStyleWidth = " 150px " />
</ asp:TemplateField >
< asp:TemplateFieldHeaderText = " 学历 " >
< ItemTemplate >
<% #Eval( " xueliText " ) %>
</ ItemTemplate >
< EditItemTemplate >
< asp:HiddenFieldID = " HDFXueli " runat = " server " Value = ' <%#Eval("xueli")%> ' />
< asp:DropDownListID = " DDLXueli " runat = " server " Width = " 90px " />
</ EditItemTemplate >
< ItemStyleWidth = " 100px " />
</ asp:TemplateField >
< asp:TemplateFieldHeaderText = " 价格 " >
< ItemTemplate >
<% #Eval( " price " ) %>
</ ItemTemplate >
< EditItemTemplate >
< asp:TextBoxID = " TBPrice " Text = ' <%#Eval("price")%> ' runat = " server " Width = " 90px " />
</ EditItemTemplate >
< ItemStyleWidth = " 100px " />
</ asp:TemplateField >
< asp:BoundFieldHeaderText = " 建立时间 " DataField = " createdate " ReadOnly = " True " />
< asp:CommandFieldShowDeleteButton = " True " ShowEditButton = " True " HeaderText = " 操作 " />
</ Columns >
< PagerSettingsFirstPageText = "" LastPageText = "" NextPageText = "" PreviousPageText = "" />
< RowStyleHeight = " 20px " BackColor = " #F7F6F3 " ForeColor = " #333333 " />
< FooterStyleBackColor = " #5D7B9D " Font - Bold = " True " ForeColor = " White " />
< EditRowStyleBackColor = " #999999 " />
< SelectedRowStyleBackColor = " #E2DED6 " Font - Bold = " True " ForeColor = " #333333 " />
< PagerStyleBackColor = " #284775 " ForeColor = " White " HorizontalAlign = " Center " />
< HeaderStyleBackColor = " #5D7B9D " Font - Bold = " True " ForeColor = " White " />
< AlternatingRowStyleBackColor = " White " ForeColor = " #284775 " />
</ asp:GridView >
</ td >
</ tr >
</ table >
</ div >
</ form >
</ body >
</ html >

GridViewUp.aspx.cs文件代码：

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 System.Data.SqlClient;

public partial class gridview_GridViewUp:System.Web.UI.Page
... {
protectedvoidPage_Load(objectsender,EventArgse)
...{
if(!IsPostBack)
...{
GridViewBind();
}
}

protectedvoidGridView1_PageIndexChanging(objectsender,GridViewPageEventArgse)
...{
GridView1.PageIndex=e.NewPageIndex;
GridViewBind();
}

privatevoidGridViewBind()
...{
stringconnStr=ConfigurationManager.ConnectionStrings["ConnString"].ConnectionString;
stringSqlStr="SELECT*,casexueliwhen'1'then'博士'when'2'then'硕士'when'3'then'学士'else''endasxueliTextFROMtest01whereid<1000andid>200";
DataSetds=newDataSet();

try
...{
SqlConnectionconn=newSqlConnection(connStr);
if(conn.State.ToString()=="Closed")conn.Open();
SqlDataAdapterda=newSqlDataAdapter(SqlStr,conn);
da.Fill(ds,"test01");
if(conn.State.ToString()=="Open")conn.Close();

GridView1.DataSource=ds.Tables[0].DefaultView;
GridView1.DataBind();
}
catch(Exceptionex)
...{
Response.Write("数据库错误，错误原因："+ex.Message);
Response.End();
}
}

protectedvoidGridView1_RowDataBound(objectsender,GridViewRowEventArgse)
...{
if(((DropDownList)e.Row.FindControl("DDLXueli"))!=null)
...{
DropDownListddlxueli=(DropDownList)e.Row.FindControl("DDLXueli");

//生成DropDownList的值，也可以取得数据库中的数据绑定
ddlxueli.Items.Clear();
ddlxueli.Items.Add(newListItem("博士","1"));
ddlxueli.Items.Add(newListItem("硕士","2"));
ddlxueli.Items.Add(newListItem("学士","3"));
//

//选中DropDownList
ddlxueli.SelectedValue=((HiddenField)e.Row.FindControl("HDFXueli")).Value;
//
}
}

protectedvoidGridView1_RowEditing(objectsender,GridViewEditEventArgse)
...{
GridView1.EditIndex=e.NewEditIndex;
GridViewBind();
}
protectedvoidGridView1_RowCancelingEdit(objectsender,GridViewCancelEditEventArgse)
...{
GridView1.EditIndex=-1;
GridViewBind();
}

protectedvoidGridView1_RowUpdating(objectsender,GridViewUpdateEventArgse)
...{
stringid=GridView1.DataKeys[e.RowIndex].Values[0].ToString();
stringcard=((TextBox)GridView1.Rows[e.RowIndex].FindControl("TBCard")).Text;
stringxueli=((DropDownList)GridView1.Rows[e.RowIndex].FindControl("DDLXueli")).SelectedValue;
stringprice=((TextBox)GridView1.Rows[e.RowIndex].FindControl("TBPrice")).Text;

stringconnStr=ConfigurationManager.ConnectionStrings["ConnString"].ConnectionString;
stringSqlStr="updatetest01setcard='"+card+"',xueli='"+xueli+"',price='"+price+"'whereid="+id;

try
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DropDownList | asp.net生成验证码图片

• 2007-08-31 15:22
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