• 编辑 删除 分页


    <%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="kaoshi.WebForm1" %>
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
    <HTML>
        
    <HEAD>
            
    <title>WebForm1</title>
            
    <meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
            
    <meta name="CODE_LANGUAGE" Content="C#">
            
    <meta name="vs_defaultClientScript" content="JavaScript">
            
    <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
        
    </HEAD>
        
    <body MS_POSITIONING="GridLayout">
            
    <form id="Form1" method="post" runat="server">
                
    <TABLE id="Table1" cellSpacing="1" cellPadding="1" width="380" align="center" border="0">
                    
    <TR>
                        
    <TD></TD>
                    
    </TR>
                    
    <TR>
                        
    <TD class="red12" height="30">
                            
    <asp:label id="lblProcess" runat="server"></asp:label>
                            
    <asp:textbox id="txtClssid" runat="server" Visible="False" Width="16px" Height="12px"></asp:textbox></TD>
                    
    </TR>
                    
    <TR>
                        
    <TD align="center">
                            
    <asp:datagrid id="gridRoot" style="FONT-SIZE: 9pt" runat="server" HorizontalAlign="Center" OnDeleteCommand="gridRoot_Delete"
                                OnUpdateCommand
    ="gridRoot_Update" OnCancelCommand="gridRoot_Cancel" OnEditCommand="gridRoot_Edit"
                                DataKeyField
    ="id" BorderColor="black" BorderWidth="1" autogeneratecolumns="False" HeaderStyle-BackColor="#67bcce"
                                OnPageIndexChanged
    ="grid_PageChanged" PageSize="20" PagerStyle-HorizontalAlign="Right" PagerStyle-Mode="NumericPages"
                                AllowPaging
    ="True" CellSpacing="0" CellPadding="4" width="500px">
                                
    <HeaderStyle BackColor="#67BCCE"></HeaderStyle>
                                
    <Columns>
                                    
    <asp:BoundColumn DataField="id" ReadOnly="True" HeaderText="序号">
                                        
    <HeaderStyle HorizontalAlign="Center" Height="30px" Width="50px"></HeaderStyle>
                                        
    <ItemStyle Font-Names="verdana" HorizontalAlign="Center" BackColor="#EEEEEE"></ItemStyle>
                                    
    </asp:BoundColumn>
                                    
    <asp:TemplateColumn SortExpression="Typ" HeaderText="产品型号">
                                        
    <HeaderStyle HorizontalAlign="Center" Width="180px"></HeaderStyle>
                                        
    <ItemStyle HorizontalAlign="Center" BackColor="#EEEEEE"></ItemStyle>
                                        
    <ItemTemplate>
                                            
    <asp:Label id=Label1 runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "Typ") %>'>
                                            
    </asp:Label>
                                        
    </ItemTemplate>
                                        
    <EditItemTemplate>
                                            
    <NOBR>
                                                
    <asp:TextBox id=Typ runat="server" Width="94px" Text='<%# DataBinder.Eval(Container.DataItem, "Typ") %>'>
                                                
    </asp:TextBox>
                                                
    <asp:RequiredFieldValidator id="clssReqVal" runat="server" Font-Size="12" Font-Name="Verdana" Display="Dynamic"
                                                    ControlToValidate
    ="Typ">
                        
    &nbsp;*
                
    </asp:RequiredFieldValidator></NOBR>
                                        
    </EditItemTemplate>
                                    
    </asp:TemplateColumn>
                                    
    <asp:TemplateColumn SortExpression="Factory" HeaderText="工厂名称">
                                        
    <HeaderStyle HorizontalAlign="Center" Width="180px"></HeaderStyle>
                                        
    <ItemStyle HorizontalAlign="Center" BackColor="#EEEEEE"></ItemStyle>
                                        
    <ItemTemplate>
                                            
    <asp:Label id="Label2" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "Factory") %>'>
                                            
    </asp:Label>
                                        
    </ItemTemplate>
                                        
    <EditItemTemplate>
                                            
    <NOBR>
                                                
    <asp:TextBox id="Factory" runat="server" Width="94px" Text='<%# DataBinder.Eval(Container.DataItem, "Factory") %>'>
                                                
    </asp:TextBox>
                                                
    <asp:RequiredFieldValidator id="Requiredfieldvalidator1" runat="server" Font-Size="12" Font-Name="Verdana" Display="Dynamic"
                                                    ControlToValidate
    ="Factory">
                        
    &nbsp;*
                
    </asp:RequiredFieldValidator></NOBR>
                                        
    </EditItemTemplate>
                                    
    </asp:TemplateColumn>
                                    
    <asp:EditCommandColumn ButtonType="LinkButton" UpdateText="更新" HeaderText="编辑" CancelText="取消" EditText="编辑">
                                        
    <HeaderStyle HorizontalAlign="Center" Width="100px"></HeaderStyle>
                                        
    <ItemStyle Wrap="False" HorizontalAlign="Center" BackColor="#EEEEEE"></ItemStyle>
                                    
    </asp:EditCommandColumn>
                                    
    <asp:ButtonColumn Text="删除" HeaderText="删除" CommandName="Delete">
                                        
    <HeaderStyle HorizontalAlign="Center" Width="50px"></HeaderStyle>
                                        
    <ItemStyle HorizontalAlign="Center" BackColor="#EEEEEE"></ItemStyle>
                                    
    </asp:ButtonColumn>
                                
    </Columns>
                                
    <PagerStyle HorizontalAlign="Right" Mode="NumericPages"></PagerStyle>
                            
    </asp:datagrid></TD>
                    
    </TR>
                
    </TABLE>
            
    </form>
        
    </body>
    </HTML>
    cs
    using System;
    using System.Collections;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Web;
    using System.Web.SessionState;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Web.UI.HtmlControls;
    using System.Data.SqlClient;

    namespace kaoshi
    {
        
    /// <summary>
        
    /// WebForm1 的摘要说明。
        
    /// </summary>

        public class WebForm1 : System.Web.UI.Page
        
    {
            
    protected System.Web.UI.WebControls.Label lblProcess;
            
    protected System.Web.UI.WebControls.TextBox txtClssid;
            
    protected System.Web.UI.WebControls.DataGrid gridRoot;
            SqlConnection thisConnection
    =new SqlConnection("server=localhost;Database=stst;uid=sa;pwd=fan");
        
            
    private void Page_Load(object sender, System.EventArgs e)
            
    {
                
    // 在此处放置用户代码以初始化页面
                if(!this.IsPostBack)
                    BindGrid();
            }

            
    public void BindGrid()
            
    {
                SqlDataAdapter myCommand 
    = new SqlDataAdapter("select * from FactoryType order by Factory",thisConnection);

                DataSet ds 
    = new DataSet();
                myCommand.Fill(ds,
    "xatop");

                gridRoot.DataSource
    =ds.Tables["xatop"].DefaultView;
                gridRoot.DataBind();

            }

            
    public void gridRoot_Edit(Object sender, DataGridCommandEventArgs e)
            
    {
                gridRoot.EditItemIndex 
    = (int)e.Item.ItemIndex;
                BindGrid();
            }

            
    public void grid_PageChanged(object sender, DataGridPageChangedEventArgs e)
            
    {
                gridRoot.CurrentPageIndex
    =e.NewPageIndex;
                BindGrid();
                
            }

            
    public void gridRoot_Delete(Object sender, DataGridCommandEventArgs e)
            
    {
                String deleteCmd 
    = "DELETE from FactoryType where id = @Id";

                SqlCommand myCommand 
    = new SqlCommand(deleteCmd, thisConnection);
                myCommand.Parameters.Add(
    new SqlParameter("@Id", SqlDbType.NVarChar, 11));
                myCommand.Parameters[
    "@Id"].Value = gridRoot.DataKeys[(int)e.Item.ItemIndex];

                myCommand.Connection.Open();

                
    try
                
    {
                    myCommand.ExecuteNonQuery();
                    lblProcess.Text 
    = "<b>已删除记录</b>";
                }

                
    catch (SqlException)
                
    {
                    lblProcess.Text 
    = "错误:未能删除记录";
                    lblProcess.Style[
    "color"= "red";
                }


                myCommand.Connection.Close();

                BindGrid();
            }

            
    public void gridRoot_Cancel(Object sender, DataGridCommandEventArgs e)
            
    {
                gridRoot.EditItemIndex 
    = -1;
                BindGrid();
            }

            
    public void gridRoot_Update(Object sender, DataGridCommandEventArgs e)
            
    {
                
    string colvalue = ((TextBox)e.Item.FindControl("Typ")).Text;
                String updateCmd 
    = "UPDATE FactoryType SET Typ = @Typ,Factory=@Factory where id = @Id";

                SqlCommand myCommand 
    = new SqlCommand(updateCmd, thisConnection);

                myCommand.Parameters.Add(
    new SqlParameter("@Id", SqlDbType.NVarChar, 11));
                myCommand.Parameters.Add(
    new SqlParameter("@Typ", SqlDbType.NVarChar, 40));
                myCommand.Parameters.Add(
    new SqlParameter("@Factory", SqlDbType.NVarChar, 40));

                myCommand.Parameters[
    "@Id"].Value = gridRoot.DataKeys[(int)e.Item.ItemIndex];
                myCommand.Parameters[
    "@Typ"].Value = ((TextBox)e.Item.FindControl("Typ")).Text;
                myCommand.Parameters[
    "@Factory"].Value = ((TextBox)e.Item.FindControl("Factory")).Text;

                myCommand.Connection.Open();

                
    try//捕捉错误
                {
                    myCommand.ExecuteNonQuery();
                    lblProcess.Text
    = "<b>已更新记录</b>";
                    gridRoot.EditItemIndex 
    = -1;
                }

                
    catch (SqlException b)
                
    {
                    
    if (b.Number == 2627)
                        lblProcess.Text
    = "错误:已存在具有相同主键的记录";
                    
    else
                        lblProcess.Text
    = "错误:未能更新记录,请确保正确填写了字段";
                    lblProcess.Style[
    "color"= "red";

                }


                myCommand.Connection.Close();
    //更新数据完毕

                BindGrid();
                
    //DdlLst(e);
            }


            
    Web 窗体设计器生成的代码
        }

    }

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  • 原文地址:https://www.cnblogs.com/voodgen/p/100253.html
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