前台: testGridView.aspx
1
<%
@ Page Language="C#" AutoEventWireup="true" CodeFile="testGridView.aspx.cs" Inherits="testGridView" %>2
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">4
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<html xmlns="http://www.w3.org/1999/xhtml" >6
<head runat="server">7
<title>无标题页</title>8
<style type="text/css">9
td{}{10
font-size:12px;11
}12
</style>13
</head>14
<body>15
<form id="form1" runat="server">16
<div>17
<asp:GridView ID="GridView1" runat="server" AllowPaging="True" PageSize="2" AutoGenerateColumns="False"18
BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px"19
CellPadding="3" DataKeyNames="id" DataSourceID="SqlDataSource1" OnRowCreated="GridView1_RowCreated" OnRowDataBound="GridView1_RowDataBound">20
<FooterStyle BackColor="White" ForeColor="#000066" />21
<Columns>22
<asp:CommandField HeaderText="编辑" ShowDeleteButton="True" ShowEditButton="True" />23
<asp:BoundField DataField="id" HeaderText="用户ID" InsertVisible="False" ReadOnly="True"24
SortExpression="id" />25
<asp:BoundField DataField="username" HeaderText="用户名" SortExpression="username" >26
<ItemStyle BackColor="LightSkyBlue" BorderColor="#FFC0C0" BorderStyle="Dotted" ForeColor="Navy" />27
</asp:BoundField>28
<asp:BoundField DataField="TJname" HeaderText="性别" SortExpression="sex" />29
<asp:BoundField DataField="age" HeaderText="年龄" SortExpression="age" />30
<asp:BoundField DataField="intro" HeaderText="介绍" SortExpression="intro" />31
<asp:BoundField DataField="submitTime" HeaderText="加入日期" SortExpression="submitTime" DataFormatString="{0:y}" HtmlEncode="False"/>32
<asp:TemplateField HeaderText="注册时间">33
<ItemTemplate>34
<asp:Label ID="subTime" runat="server" Text='<%# Bind("submitTime", "{0:d}") %>'></asp:Label>35
</ItemTemplate>36
</asp:TemplateField>37
<asp:CheckBoxField DataField="vip" HeaderText="vip会员" ShowHeader="False" SortExpression="vip" />38
<asp:TemplateField HeaderText="自定义（Sex）">39
<ItemTemplate>40
<asp:Label ID="Label1" runat="server" Text='<%# Convert.ToInt32(Eval("sex"))==1?"推荐":"不推荐" %>'></asp:Label>41
</ItemTemplate>42
</asp:TemplateField>43
<asp:TemplateField>44
<HeaderTemplate>45
<asp:CheckBox ID="chkAll" runat="server" AutoPostBack="True" OnCheckedChanged="chkAll_CheckedChanged"46
Text="全选" />47
</HeaderTemplate>48
<ItemTemplate>49
<asp:CheckBox ID="itemChk" runat="server" Text=""/>50
</ItemTemplate>51
</asp:TemplateField>52
<asp:TemplateField HeaderText="此列显示HTML代码">53
<ItemTemplate>54
<asp:Literal ID="Literal1" runat="server" Mode="Encode" Text="<B><p>Html Code</p></B>"></asp:Literal>55
</ItemTemplate>56
</asp:TemplateField>57
</Columns>58
<RowStyle ForeColor="#000066" />59
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />60
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />61
<HeaderStyle BackColor="#006699" Font-Bold="False" ForeColor="#FFFFC0" Font-Size="13px" />62
<EmptyDataTemplate>63
没有数据吗64
</EmptyDataTemplate>65
</asp:GridView>66
<br />67
共<asp:Label ID="Label2" runat="server" Text=""><%=GridView1.PageCount %></asp:Label>页,当前是第<asp:Label68
ID="Label3" runat="server" Text=""><%=GridView1.PageIndex+1 %></asp:Label>页.<br />69
<br />70
<asp:DropDownList ID="DropDownList1" runat="server">71
</asp:DropDownList>72
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<asp:Button ID="btnYuc" runat="server" OnClick="btnYuc_Click" Text="隐藏选定的列" />74
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<asp:Button ID="btnShow" runat="server" OnClick="btnShow_Click" Text="显示全部列" />76
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<asp:Button ID="btnDele" runat="server" Text="删除所选的列" OnClientClick=" return window.confirm('女人 ');" OnClick="btnDele_Click" /><br />78
<br />79
www.verycd.com80
81
</div>82
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:digConnectionString %>"83
SelectCommand="select *, TJname=(CASE when sex=1 then '男人' when sex=0 then '女人' end) from test" DeleteCommand="DELETE FROM [test] WHERE [id] = @id" InsertCommand="INSERT INTO [test] ([id], [username], [sex], [age], [intro], [submitTime], [vip]) VALUES (@id, @username, @sex, @age, @intro, @submitTime, @vip)" UpdateCommand="UPDATE [test] SET [username] = @username, [sex] = @sex, [age] = @age, [intro] = @intro, [submitTime] = @submitTime, [vip] = @vip WHERE [id] = @id">84
<DeleteParameters>85
<asp:Parameter Name="id" Type="Int32" />86
</DeleteParameters>87
<UpdateParameters>88
<asp:Parameter Name="username" Type="String" />89
<asp:Parameter Name="sex" Type="Byte" />90
<asp:Parameter Name="age" Type="Int32" />91
<asp:Parameter Name="intro" Type="String" />92
<asp:Parameter Name="submitTime" Type="DateTime" />93
<asp:Parameter Name="vip" Type="Boolean" />94
<asp:Parameter Name="id" Type="Int32" />95
</UpdateParameters>96
<InsertParameters>97
<asp:Parameter Name="id" Type="Int32" />98
<asp:Parameter Name="username" Type="String" />99
<asp:Parameter Name="sex" Type="Byte" />100
<asp:Parameter Name="age" Type="Int32" />101
<asp:Parameter Name="intro" Type="String" />102
<asp:Parameter Name="submitTime" Type="DateTime" />103
<asp:Parameter Name="vip" Type="Boolean" />104
</InsertParameters>105
</asp:SqlDataSource>106
107
</form>108
</body>109
</html>110
后台: testGridView.aspx.cs
1
using System;2
using System.Data;3
using System.Configuration;4
using System.Collections;5
using System.Web;6
using System.Web.Security;7
using System.Web.UI;8
using System.Web.UI.WebControls;9
using System.Web.UI.WebControls.WebParts;10
using System.Web.UI.HtmlControls;11
12
public partial class testGridView : System.Web.UI.Page13
{14
protected void Page_Load(object sender, EventArgs e)15
{16
if (!IsPostBack)17
{18
for (int i = 1; i <= GridView1.Columns.Count;i++ )19
{20
DropDownList1.Items.Add(i.ToString());21
}22
}23
}24
public string returnSex(int i)25
{ 26
return i==0?"女":"男";27
28
29
}30
protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)31
{32
//效果:增加鼠标所在行的样式.33
//先判断是否是数据行34
if(e.Row.RowType==DataControlRowType.DataRow)35
{36
e.Row.Attributes.Add("onmouseover","c=this.style.backgroundColor;this.style.backgroundColor='#EFEFEF'");37
e.Row.Attributes.Add("onmouseout","this.style.backgroundColor=c;");38
}39
}40
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)41
{42
//效果:特定列的样式,比如你的哪一个列的样式43
for (int i = 0; i < GridView1.Rows.Count;i++)44
{45
//注意这里的写法,取得绑定的某列的值,要转换为字符串型.46
//写法: Convert.String(DataBinder.Eval(e.Row.DataItem,"字段名"));47
string lbl = Convert.ToString(DataBinder.Eval(e.Row.DataItem,"userName"));48
if (lbl == "DotNet")49
{50
e.Row.BackColor = System.Drawing.Color.LightBlue; //指定颜色.51
}52
}53
54
}55
protected void btnYuc_Click(object sender, EventArgs e)56
{57
int clo=int.Parse(DropDownList1.SelectedValue)-1;58
/**//*这样写有问题，当你点了一列隐藏后，再隐藏其他列，原来的列还是隐藏的59
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GridView1.Columns[clo].Visible = false;61
62
*/63
//下面这方法是每一种状态下,最多只能隐藏一个列64
//如果第二次隐藏列,原来被隐藏的列又显示回来65
66
for (int i = 0; i < GridView1.Columns.Count;i++ )67
{68
if (i == clo)69
{70
GridView1.Columns[i].Visible = false;71
}72
else73
{74
GridView1.Columns[i].Visible = true;75
}76
}77
78
}79
protected void btnShow_Click(object sender, EventArgs e)80
{81
//显示全部列.82
for(int i=0;i<GridView1.Columns.Count;i++)83
{84
GridView1.Columns[i].Visible = true;85
}86
}87
88
protected void chkAll_CheckedChanged(object sender, EventArgs e)89
{90
//注意这里的写法／91
//CheckBox chkAll = (CheckBox)GridView1.Cells[10].FindControl("chkAll");92
CheckBox chkAll = (CheckBox)GridView1.HeaderRow.Cells[10].FindControl("chkAll");93
94
if (chkAll.Checked)95
{96
foreach (GridViewRow gr in GridView1.Rows)97
{98
CheckBox chk = (CheckBox)gr.Cells[10].FindControl("itemChk");99
if (!chk.Checked)//如果没选中，就让它选中100
{101
chk.Checked = true;102
}103
/**/////else //这里我把它注释掉了，因为加了的话,选中的会被不选中了104
////{105
//// chk.Checked = false;106
////}107
}108
}109
else //取消全选110
{111
foreach (GridViewRow gr in GridView1.Rows)112
{113
CheckBox chk = (CheckBox)gr.Cells[10].FindControl("itemChk");114
chk.Checked = false;115
}116
}117
}118
119
protected void btnDele_Click(object sender, EventArgs e)120
{121
string id = "";122
foreach(GridViewRow gr in GridView1.Rows)123
{124
CheckBox chk = (CheckBox)gr.Cells[10].FindControl("itemChk");125
if(chk.Checked) //如果选中,则删除126
{127
if (id == "")128
{129
id += GridView1.DataKeys[gr.DataItemIndex].Value.ToString();130
}131
else132
{133
id += "," + GridView1.DataKeys[gr.DataItemIndex].Value.ToString();134
}135
}136
}137
// Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "alert", " alert('" + id + "')");138
Response.Write("您要删除的记录是:"+id);139
}140
}141