帮助编写和删除gridview中的代码 [英] Help in write edit and delete code in gridview
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问题描述
亲爱的所有人，
我在gridview代码中编写了编辑和删除，但它不起作用，请帮助修改。
谢谢
Dear All,
I had write the edit and delete in gridview code, but it doesnt work, kindly help to amend.
thank you
<%@ Page Title="" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="WebForm2.aspx.cs" Inherits="acmkweb.WM.WebForm2" %>
<asp:Content ID="Content1" ContentPlaceHolderID="HeadContent" runat="server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">
<asp:TextBox ID="TextBox1" runat="server"/>
<asp:TextBox ID="TextBox2" runat="server"/>
<asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
<asp:GridView ID="GridView1" runat="server" AutoGenerateEditButton="True" AutoGenerateDeleteButton="True" ></asp:GridView>
<asp:Button ID="Button2" runat="server" Text="Button" OnClick="Button2_Click"/>
<asp:TableRow ID="TableRow1" runat="server" ForeColor="Teal">
<asp:TableHeaderCell Font-Bold="true" ForeColor="#0C0C25" ColumnSpan="4">
<asp:label id="StatLabel" runat="server">
</asp:label>
</asp:TableHeaderCell>
</asp:TableRow>
</asp:Content>
代码背后
Code Behind
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Collections;
using System.Configuration;
using System.Web.Security;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Text;
using System.IO;
namespace acmkweb.WM
{
public partial class WebForm2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
FillContainerType();
}
}
private void BindGrid(int rowcount)
{
DataTable dt = new DataTable();
DataRow dr;
dt.Columns.Add(new System.Data.DataColumn("Test1", typeof(String)));
dt.Columns.Add(new System.Data.DataColumn("Test2", typeof(String)));
dt.Columns.Add(new System.Data.DataColumn("Test3", typeof(String)));
if (ViewState["CurrentData"] != null)
{
for (int i = 0; i < rowcount + 1; i++)
{
dt = (DataTable)ViewState["CurrentData"];
if (dt.Rows.Count > 0)
{
dr = dt.NewRow();
dr[0] = dt.Rows[0][0].ToString();
}
}
dr = dt.NewRow();
dr[0] = TextBox1.Text;
dr[1] = TextBox2.Text;
dr[2] = Drop1.SelectedValue;
dt.Rows.Add(dr);
}
else
{
dr = dt.NewRow();
dr[0] = TextBox1.Text;
dr[1] = TextBox2.Text;
dr[2] = Drop1.SelectedValue;
dt.Rows.Add(dr);
}
// If ViewState has a data then use the value as the DataSource
if (ViewState["CurrentData"] != null)
{
GridView1.DataSource = (DataTable)ViewState["CurrentData"];
GridView1.DataBind();
CommandField cf = new CommandField { AutoGenerateDeleteButton = true, AutoGenerateDeleteButton = true };
GridView1.Columns.Add(cf);
}
else
{
// Bind GridView with the initial data assocaited in the DataTable
GridView1.DataSource = dt;
GridView1.DataBind();
}
// Store the DataTable in ViewState to retain the values
ViewState["CurrentData"] = dt;
}
protected void Button1_Click(object sender, EventArgs e)
{
// Check if the ViewState has a data assoiciated within it. If
if (ViewState["CurrentData"] != null)
{
DataTable dt = (DataTable)ViewState["CurrentData"];
int count = dt.Rows.Count;
BindGrid(count);
}
else
{
BindGrid(1);
}
TextBox1.Text = string.Empty;
TextBox2.Text = string.Empty;
TextBox1.Focus();
TextBox2.Focus();
}
protected void Button2_Click(object sender, EventArgs e)
{
foreach (GridViewRow oItem in GridView1.Rows)
{
string str1 = oItem.Cells[0].Text;
string str2 = oItem.Cells[1].Text;
string str3 = oItem.Cells[2].Text;
insertData(str1, str2, str3);
}
Response.Redirect("WebForm2.aspx?stat=insert");
}
public void insertData(string str1,string str2,string str3)
{
SqlConnection con = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["CIMProRPT01ConnectionString"].ConnectionString);
string sql = "insert into test (test1,test2,test3) values ('" + str1 + "','" + str2 + "','" + str3 + "')";
con.Open();
SqlCommand cmd = new SqlCommand(sql, con);
cmd.ExecuteNonQuery();
con.Close();
}
}
}
推荐答案
请参阅以下链接获取类似文章：
Asp.net在gridview中插入，编辑，更新，删除数据 [ ^ ]
插入更新编辑删除GridView中的行记录 [ ^ ]
Gridview编辑ASP.NET中的删除和更新 [ ^ ]
简单插入在ASP.Net GridView控件中选择编辑更新和删除 [ ^ ]
插入，更新，使用Gridview删除....简单方法 [ ^ ]
更新，删除记录使用GridView控件 [ ^ ]
网格行编辑，删除和更新 [ ^ ]
MSDN：
在GridView控件中使用TemplateFields [ ^ ]
ASP.NET的GridView示例：使用TemplateFields [ ^ ]
更多关于 CodeProject [ ^ ]
- Amit
Refer the links below for similar articles:
Asp.net insert, Edit, update, delete data in gridview[^]
Insert Update Edit Delete Rows Record In GridView[^]
Gridview Edit Delete and Update in ASP.NET[^]
Simple Insert Select Edit Update and Delete in ASP.Net GridView control[^]
Insert, Update, Delete with Gridview....simple way[^]
Updating, Deleting records using GridView control[^]
GridView Row Edit, Delete and Update[^]
MSDN:
Using TemplateFields in the GridView Control[^]
GridView Examples for ASP.NET: Working with TemplateFields[^]
And more on CodeProject[^]
--Amit
嗨...
一旦尝试此链接。
http：//www.aspdotnet-suresh。 com / 2011/02 / how-to-inserteditupdate-and-delete-data.html [ ^ ]
Thnak u。
Hi...
Once try this link.
http://www.aspdotnet-suresh.com/2011/02/how-to-inserteditupdate-and-delete-data.html[^]
Thnak u.
亲爱的所有，
我从谷歌搜索得到的所有示例代码都是与DB的链接，但根据我的编码是保存数据处于查看状态，我可以知道如何删除处于查看状态的数据？
任何一个例子？
Dear all,
im searching from Google get the all example code is link with DB, but based on my coding is save the data in view state, May i know how to delete the data in view state ?
any example ?
这篇关于帮助编写和删除gridview中的代码的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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