<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><!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:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4" ForeColor="#333333" GridLines="None" AllowPaging="True" OnPageIndexChanging="GridView1_PageIndexChanging" PageSize="6" DataKeyNames="id" OnDataBound="GridView1_DataBound" OnRowCancelingEdit="GridView1_RowCancelingEdit" OnRowEditing="GridView1_RowEditing"> <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> <Columns> <asp:TemplateField HeaderText="详情"> <ItemTemplate> <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl='<%# "Show.aspx?id="+Eval("id") %>' Text='<%# Bind("id") %>'></asp:HyperLink><!--这里的bind方法也可以用Eval方法,但Bind方法性能较好，Eval 方法是静态（只读）方法，eval()方法在运行时使用反射执行后期绑定计算，因此与标准的ASP.NET数据绑定方法bind相比，会导致性能明显下降。它一般用在绑定时需要格式化字符串的情况下。多数情况尽量少用此方法 --> <br /> <br /> <asp:LinkButton ID="LinkButton1" runat="server" PostBackUrl='<%#"Show.aspx?id="+Eval("id") %>' Text='<%# bind("id") %>'></asp:LinkButton> </ItemTemplate> </asp:TemplateField> <asp:HyperLinkField DataNavigateUrlFields="id" DataNavigateUrlFormatString="show.aspx?id={0}" DataTextField="id" HeaderText="详情2" /> <asp:BoundField DataField="id" HeaderText="编号" ReadOnly="True" /> <asp:BoundField DataField="title" HeaderText="主题" ReadOnly="True" /> <asp:BoundField DataField="body" HeaderText="内容" /> <asp:BoundField DataField="datetime" DataFormatString="{0:d}" HeaderText="留言时间" ReadOnly="True" /> <asp:TemplateField> <HeaderTemplate> 回发服务器方式<asp:CheckBox ID="chkAll" runat="server" AutoPostBack="True" OnCheckedChanged="chkAll_CheckedChanged" /> </HeaderTemplate> <ItemTemplate> <asp:CheckBox ID="chkSingle" runat="server" /> </ItemTemplate> </asp:TemplateField> </Columns> <RowStyle BackColor="#EFF3FB" /> <EditRowStyle BackColor="#2461BF" /> <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" /> <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" /> <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> <AlternatingRowStyle BackColor="White" /> </asp:GridView> <asp:Button ID="Button1" runat="server" Text="删除" OnClick="Button1_Click" /><br /> <br /> <br /> <br /> <br /> <asp:GridView id="GridView2" runat="server" AllowPaging="True" AutoGenerateColumns="False" CellPadding="4" DataKeyNames="id" ForeColor="#333333" GridLines="None" OnPageIndexChanging="GridView2_PageIndexChanging" OnRowCancelingEdit="GridView2_RowCancelingEdit" OnRowDeleting="GridView2_RowDeleting" OnRowEditing="GridView2_RowEditing" PageSize="6" Width="450px" OnRowDataBound="GridView2_RowDataBound"> <FooterStyle BackColor="#1C5E55" Font-Bold="True" ForeColor="White" /> <Columns> <asp:BoundField DataField="title" HeaderText="主题" ReadOnly="True" /> <asp:TemplateField HeaderText="内容"> <EditItemTemplate> <asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("body") %>'></asp:TextBox> </EditItemTemplate> <ItemTemplate> <asp:Label ID="Label1" runat="server" Text='<%# Bind("body") %>'></asp:Label> </ItemTemplate> </asp:TemplateField> <asp:BoundField DataField="datetime" DataFormatString="{0:d}" HeaderText="留言时间" ReadOnly="True" /> <asp:CommandField ShowEditButton="True" /> <asp:TemplateField ShowHeader="False"> <ItemTemplate> <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False" CommandName="Delete" Text="删除"></asp:LinkButton> </ItemTemplate> </asp:TemplateField> </Columns> <RowStyle BackColor="#E3EAEB" /> <EditRowStyle BackColor="#7C6F57" /> <SelectedRowStyle BackColor="#C5BBAF" Font-Bold="True" ForeColor="#333333" /> <PagerStyle BackColor="#666666" ForeColor="White" HorizontalAlign="Center" /> <HeaderStyle BackColor="#1C5E55" Font-Bold="True" ForeColor="White" /> <AlternatingRowStyle BackColor="White" /> </asp:GridView> </div> </form></body></html>using System;using System.Data;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;using System.Data.SqlClient;public partial class _Default : System.Web.UI.Page 
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack) { BindData();
} } public void BindData() { string connstr=ConfigurationManager.AppSettings["ConnectionString"].ToString(); SqlConnection con = new SqlConnection(connstr); if (con.State.Equals(ConnectionState.Closed)) { con.Open(); } SqlCommand cmd = new SqlCommand("select * from guestbook",con); SqlDataAdapter sda = new SqlDataAdapter(cmd); DataSet ds = new DataSet(); sda.Fill(ds); this.GridView1.DataSource = ds; this.GridView1.DataBind(); this.GridView2.DataSource = ds; this.GridView2.DataBind(); } protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e) { this.GridView1.PageIndex = e.NewPageIndex; this.BindData(); } protected void chkAll_CheckedChanged(object sender, EventArgs e) { CheckBox cb=(CheckBox)(GridView1.HeaderRow.FindControl("chkAll")); foreach (GridViewRow gr in GridView1.Rows) { CheckBox cb1 = (CheckBox)gr.Cells[3].FindControl("chkSingle"); if (cb.Checked) { cb1.Checked = true; } else { cb1.Checked = false; } } } protected void Button1_Click(object sender, EventArgs e) { int intCount=this.GridView1.Rows.Count; for(int i=0;i<intCount;i++) { CheckBox CheckSingle = (CheckBox)(this.GridView1.Rows[i].Cells[3].FindControl("chkSingle")); if (CheckSingle.Checked) { //int id = Convert.ToInt32(this.GridView1.DataKeys[i]["id"]); //方法1 int id = Convert.ToInt32(this.GridView1.Rows[i].Cells[0].Text); //方法2 string sql = "delete from guestbook where id="+id; string connstr=ConfigurationManager.AppSettings["ConnectionString"].ToString(); SqlConnection con = new SqlConnection(connstr); con.Open(); SqlCommand cmd = new SqlCommand(sql,con); cmd.ExecuteNonQuery(); } } this.BindData(); //这里我犯过错误，误把绑定放到上面的for循环内，结果就只能删除GridView行的第0行了 } protected void GridView1_DataBound(object sender, EventArgs e) { //this.GridView1.ShowHeader= false; //可以隐藏表头 } protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e) { GridView1.EditIndex = e.NewEditIndex; BindData(); } protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { GridView1.EditIndex = -1; BindData(); } protected void GridView2_PageIndexChanging(object sender, GridViewPageEventArgs e) { GridView2.PageIndex = e.NewPageIndex; BindData(); } protected void GridView2_RowEditing(object sender, GridViewEditEventArgs e) { GridView2.EditIndex = e.NewEditIndex; BindData(); } protected void GridView2_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { GridView2.EditIndex = -1; BindData(); } protected void GridView2_RowUpdating(object sender, GridViewUpdateEventArgs e) { int intKey = Convert.ToInt32(GridView2.DataKeys[e.RowIndex]["id"]); string upbody = ((TextBox)(GridView2.Rows[e.RowIndex].Cells[1].FindControl("TextBox1"))).Text; string connstr = ConfigurationManager.AppSettings["ConnectionString"].ToString(); SqlConnection con = new SqlConnection(connstr); con.Open(); string sql = "update guestbook set body='" + upbody + "' where id=" + intKey; SqlCommand cmd = new SqlCommand(sql, con); cmd.ExecuteNonQuery(); GridView2.EditIndex = -1; BindData(); } protected void GridView2_RowDeleting(object sender, GridViewDeleteEventArgs e) { string connstr = ConfigurationManager.AppSettings["ConnectionString"].ToString(); SqlConnection con = new SqlConnection(connstr); con.Open(); int intKey = Convert.ToInt32(GridView2.DataKeys[e.RowIndex]["id"]); string sql = "delete from guestbook where id="+intKey; SqlCommand cmd = new SqlCommand(sql, con); cmd.ExecuteNonQuery(); BindData(); } protected void GridView2_RowDataBound(object sender, GridViewRowEventArgs e) { //需要转换为模板列 //第一种实现方法 //LinkButton lnk = (LinkButton)e.Row.FindControl("LinkButton1"); //if (lnk != null) //{ // lnk.Attributes.Add("onclick", "return confirm('确定吗？')"); //} //第二种实现方法 if (e.Row.RowType == DataControlRowType.DataRow) { LinkButton lbtn = (LinkButton)e.Row.Cells[4].FindControl("LinkButton1"); lbtn.Attributes.Add("onclick", "return confirm('确定吗？');"); //在对RowType进行了判断后，就可以用下面的这句实现，但有一个问题，就是点击'删除'旁边的空白也会引发这个客户端脚本的 //e.Row.Cells[4].Attributes.Add("onClick", "return confirm('你确定要删除这一条数据吗？');"); } if (e.Row.RowType == DataControlRowType.DataRow) { e.Row.Attributes.Add("onmouseover", "e=this.style.backgroundColor;this.style.backgroundColor='#ffff00'"); e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=e"); TableCell cell = e.Row.Cells[0]; //此方法不能应用于模板列 if (cell.Text == "靠") { cell.ForeColor = System.Drawing.Color.Red; //当有指定的字符内容时，此单元格为红色 } //若用于模板列时可以这样使用 string cellText = ((Label)(e.Row.FindControl("Label1"))).Text; if (cellText == "靠") { ((Label)(e.Row.FindControl("Label1"))).ForeColor = System.Drawing.Color.Red; //当有指定的字符内容时，此单元格为红色 } //此种方法 绑定列和模板列均能正确使用 string title =Convert.ToString( DataBinder.Eval(e.Row.DataItem,"body")); if (title == "靠") { e.Row.Cells[1].ForeColor= System.Drawing.Color.Red; } } } 
}