动态添加GridView行

Fri, 15 Feb 2008 00:00:00 +0800

C#代码:

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68


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 (!this.IsPostBack)
 {
 BindGrid();
 }
 }

 private DataTable ReadGridView()
 {
 DataTable dt = new DataTable();
 DataRow dr;
 dt.Columns.Add(new DataColumn("ProductID", typeof(string)));
 dt.Columns.Add(new DataColumn("ProductName", typeof(string)));
 dt.Columns.Add(new DataColumn("CategoryID", typeof(string)));
 for (int i = 0; i < this.GridView1.Rows.Count; i++)
 {
 dr = dt.NewRow();
 dr[0] = this.GridView1.Rows[i].Cells[0].Text.Trim();
 dr[1] = this.GridView1.Rows[i].Cells[1].Text.Trim();
 dr[2] = this.GridView1.Rows[i].Cells[2].Text.Trim();
 dt.Rows.Add(dr);
 }
 return dt;
 }
 protected void Button1_Click(object sender, EventArgs e)
 {
 DataTable dt = ReadGridView();
 //this.GridView1.DataSource = dt;
 //this.GridView1.DataBind();
 DataRow row = dt.NewRow();
 row.ItemArray = new object[] { "oec2003", "oec2003", "oec2003" };
 dt.Rows.InsertAt(row, 0);
 dt.AcceptChanges();
 this.GridView1.DataSource = dt;
 this.GridView1.DataBind();
 }

 private void BindGrid()
 {
 string str = ConfigurationManager.ConnectionStrings["NorthwindConnectionString"].ToString();
 using (SqlConnection con = new SqlConnection(str))
 {
 SqlCommand cmd = new SqlCommand("SELECT top 1 [ProductID], [ProductName], [CategoryID] FROM [Products]", con);
 SqlDataAdapter sda = new SqlDataAdapter(cmd);
 DataSet ds = new DataSet();
 sda.Fill(ds);
 this.GridView1.DataSource = ds.Tables[0].DefaultView;
 this.GridView1.DataBind();
 sda.Dispose();
 ds.Dispose();
 }

 }
}

Html代码

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24


<%@ 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 id="Head1" runat="server">
 <title>无标题页</title>
</head>
<body>
 <form id="form2" runat="server">
 <div>
 <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" />
 <asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" DataKeyNames="ProductID">
 <Columns>
 <asp:BoundField DataField="ProductID" HeaderText="ProductID" InsertVisible="False"
 ReadOnly="True" SortExpression="ProductID" />
 <asp:BoundField DataField="ProductName" HeaderText="ProductName" SortExpression="ProductName" />
 <asp:BoundField DataField="CategoryID" HeaderText="CategoryID" SortExpression="CategoryID" />
 </Columns>
 </asp:GridView>
 </div>
 </form>
</body>
</html>

数据库连接字串

<connectionStrings>
 <add name="NorthwindConnectionString"
 connectionString="Data Source=FENGWEI;Initial Catalog=Northwind;User ID=sa;Password=1234"
 providerName="System.Data.SqlClient"/>
</connectionStrings>

AddRow.rar

类型“GridView”的控件必须放在具有 runat=server 的窗体标记内错误的解决方法

Sun, 16 Dec 2007 00:00:00 +0800

错误提示:

类型“GridView”的控件必须放在具有 runat=server 的窗体标记内

解决方法:

在后台文件中重载VerifyRenderingInServerForm方法,如:

public override void VerifyRenderingInServerForm(Control control)
{
 //base.VerifyRenderingInServerForm(control);
}

实现鼠标悬停高亮显示—分别在gridview和datagrid中

Mon, 07 May 2007 00:00:00 +0800

在datagrid中的ItemDataBound事件中写如下代码：

private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
 {
 e.Item.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#66CCFF'");
 e.Item.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
 }
}

在girdview中的RowDataBound事件中写下如下代码：

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
 if (e.Row.RowType == DataControlRowType.DataRow)
 {
 e.Row.Attributes.Add("onmouseover", "currentcolor=this.style.backgroundColor;this.style.backgroundColor='#6699ff';");
 e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=currentcolor;");
 }
}

GrdiView on 冯威的博客

动态添加GridView行

C#代码:

Html代码

数据库连接字串

类型“GridView”的控件 必须放在具有 runat=server 的窗体标记内 错误的解决方法

错误提示:

解决方法:

实现鼠标悬停高亮显示—分别在gridview和datagrid中

类型“GridView”的控件必须放在具有 runat=server 的窗体标记内错误的解决方法