ASP.NET Doesn't support multiple runat=server forms on the same page. To handle this problem, you can place each form in a seperate panel control, then allow the user to easilly switch between the panels by clicking on a radio button. 2FormExample.aspx<%@ Page language="c#" Codebehind="2FormExample.cs" AutoEventWireup="false" Inherits="_3leaf_app.C2FormExample" %> <html><head> <meta name=vs_targetSchema content="HTML 4.0"> <meta name="GENERATOR" Content="Microsoft Visual Studio 7.0"> <meta name="CODE_LANGUAGE" Content="C#"></head> <body><form method="post" runat="server" ID=Form1> <p>Lookup by <asp:RadioButton id=RadioButton1 runat="server" Text="First Name" AutoPostBack="True" groupname=g1 checked=True></asp:RadioButton> <asp:RadioButton id=RadioButton2 runat="server" Text="Last Name" AutoPostBack="True" groupname=g1></asp:RadioButton></p> <p></p> <p> <asp:Panel id=Panel1 runat="server" visible=True> First Name : <asp:TextBox id=TextBox1 runat="server"></asp:TextBox> <asp:RequiredFieldValidator id=RequiredFieldValidator1 runat="server" ErrorMessage="*" ControlToValidate="TextBox1"></asp:RequiredFieldValidator> <asp:Button id=Button1 runat="server" Text="Submit"></asp:Button> </asp:Panel> <asp:Panel id=Panel2 runat="server" visible=False> Last Name : <asp:TextBox id=TextBox2 runat="server"></asp:TextBox> <asp:RequiredFieldValidator id=RequiredFieldValidator2 runat="server" ErrorMessage="*" ControlToValidate="TextBox2"></asp:RequiredFieldValidator> <asp:Button id=Button2 runat="server" Text="Submit"></asp:Button> </asp:Panel> <p></p> <p> <asp:label id=Label1 runat="server"></asp:label> </p> </form> </body></html> 2FormExample.csnamespace _3leaf_app { 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; /// <summary> /// Summary Description for C2FormExample. /// </summary> public class C2FormExample : System.Web.UI.Page { protected System.Web.UI.WebControls.Button Button2; protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2; protected System.Web.UI.WebControls.TextBox TextBox2; protected System.Web.UI.WebControls.Button Button1; protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1; protected System.Web.UI.WebControls.TextBox TextBox1; protected System.Web.UI.WebControls.Label Label1; protected System.Web.UI.WebControls.Panel Panel2; protected System.Web.UI.WebControls.Panel Panel1; protected System.Web.UI.WebControls.RadioButton RadioButton2; protected System.Web.UI.WebControls.RadioButton RadioButton1;
public C2FormExample() { Page.Init += new System.EventHandler(Page_Init); } protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { } } protected void Page_Init(object sender, EventArgs e) { // // CODEGEN: This call is required by the ASP+ Windows Form Designer. // InitializeComponent(); } /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { RadioButton1.CheckedChanged += new System.EventHandler (this.RadioButton1_CheckedChanged); Button1.Click += new System.EventHandler (this.Button1_Click); RadioButton2.CheckedChanged += new System.EventHandler (this.RadioButton2_CheckedChanged); Button2.Click += new System.EventHandler (this.Button2_Click); this.Load += new System.EventHandler (this.Page_Load); } public void Button2_Click (object sender, System.EventArgs e) { Label1.Text = "You want to search on last name"; } public void Button1_Click (object sender, System.EventArgs e) { Label1.Text = "You want to search on first name"; } public void RadioButton2_CheckedChanged (object sender, System.EventArgs e) { Panel1.Visible = false; Panel2.Visible = true; } public void RadioButton1_CheckedChanged (object sender, System.EventArgs e) { Panel1.Visible = true; Panel2.Visible = false; } } }
当一个web控件的事件被触发后,server端会在页面post过来的数据中查找对应控件的状态,而Form控件的状态也是server端必须读取的。2个Form控件会造成server无法检查所有控件状态
所以当然不能存在2个或者2个以上的Form控件了。
你试的可能有问题吧?
虽然我没有试,但是我想你不同form里面的PageIndexChanged所对应的事件是不是一样啦?分页的问题出在哪里啊?求慎解呦;))))再试一下!期待
一个页面上不可以有两个server的webform。
(通过测试的)
2FormExample.aspx<%@ Page language="c#" Codebehind="2FormExample.cs" AutoEventWireup="false" Inherits="_3leaf_app.C2FormExample" %>
<html><head>
<meta name=vs_targetSchema content="HTML 4.0">
<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
<meta name="CODE_LANGUAGE" Content="C#"></head>
<body><form method="post" runat="server" ID=Form1>
<p>Lookup by
<asp:RadioButton id=RadioButton1 runat="server" Text="First Name" AutoPostBack="True" groupname=g1 checked=True></asp:RadioButton>
<asp:RadioButton id=RadioButton2 runat="server" Text="Last Name" AutoPostBack="True" groupname=g1></asp:RadioButton></p>
<p></p>
<p>
<asp:Panel id=Panel1 runat="server" visible=True>
First Name :
<asp:TextBox id=TextBox1 runat="server"></asp:TextBox>
<asp:RequiredFieldValidator id=RequiredFieldValidator1 runat="server" ErrorMessage="*" ControlToValidate="TextBox1"></asp:RequiredFieldValidator>
<asp:Button id=Button1 runat="server" Text="Submit"></asp:Button>
</asp:Panel>
<asp:Panel id=Panel2 runat="server" visible=False>
Last Name :
<asp:TextBox id=TextBox2 runat="server"></asp:TextBox>
<asp:RequiredFieldValidator id=RequiredFieldValidator2 runat="server" ErrorMessage="*" ControlToValidate="TextBox2"></asp:RequiredFieldValidator>
<asp:Button id=Button2 runat="server" Text="Submit"></asp:Button>
</asp:Panel>
<p></p>
<p>
<asp:label id=Label1 runat="server"></asp:label>
</p>
</form> </body></html>
2FormExample.csnamespace _3leaf_app
{
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; /// <summary>
/// Summary Description for C2FormExample.
/// </summary>
public class C2FormExample : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button Button2;
protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
protected System.Web.UI.WebControls.TextBox TextBox2;
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
protected System.Web.UI.WebControls.TextBox TextBox1;
protected System.Web.UI.WebControls.Label Label1;
protected System.Web.UI.WebControls.Panel Panel2;
protected System.Web.UI.WebControls.Panel Panel1;
protected System.Web.UI.WebControls.RadioButton RadioButton2;
protected System.Web.UI.WebControls.RadioButton RadioButton1;
public C2FormExample()
{
Page.Init += new System.EventHandler(Page_Init);
} protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
}
} protected void Page_Init(object sender, EventArgs e)
{
//
// CODEGEN: This call is required by the ASP+ Windows Form Designer.
//
InitializeComponent();
} /// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
RadioButton1.CheckedChanged += new System.EventHandler (this.RadioButton1_CheckedChanged);
Button1.Click += new System.EventHandler (this.Button1_Click);
RadioButton2.CheckedChanged += new System.EventHandler (this.RadioButton2_CheckedChanged);
Button2.Click += new System.EventHandler (this.Button2_Click);
this.Load += new System.EventHandler (this.Page_Load);
} public void Button2_Click (object sender, System.EventArgs e)
{
Label1.Text = "You want to search on last name";
} public void Button1_Click (object sender, System.EventArgs e)
{
Label1.Text = "You want to search on first name";
} public void RadioButton2_CheckedChanged (object sender, System.EventArgs e)
{
Panel1.Visible = false;
Panel2.Visible = true;
} public void RadioButton1_CheckedChanged (object sender, System.EventArgs e)
{
Panel1.Visible = true;
Panel2.Visible = false;
}
}
}