ASP.Net/Page/PreviousPage — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
Admin (обсуждение | вклад) м (1 версия) |
(нет различий)
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Текущая версия на 14:53, 26 мая 2010
PreviousPage.FindControl (C#)
<source lang="csharp">
<%@ Page Language="C#" %> <!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>Untitled Page</title>
</head> <body>
<form id="form1" runat="server">
<asp:TextBox ID="TextBox1" Runat="server"></asp:TextBox>
<asp:Button ID="Button1" Runat="server" Text="Button"
PostBackUrl="~/NextPage.aspx" />
</form>
</body> </html> File: NextPage.aspx <%@ Page Language="C#" AutoEventWireup="true" CodeFile="NextPage.aspx.cs" Inherits="Step2" %> <!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>Step 2</title>
</head> <body>
<form id="form1" runat="server">
</form>
</body> </html> File: NextPage.aspx.cs using System; using System.Data; using System.Configuration; using System.Collections; 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; public partial class Step2 : System.Web.UI.Page {
protected void Page_Load(object sender, EventArgs e)
{
if (PreviousPage != null && PreviousPage.IsCrossPagePostBack)
{
TextBox text = PreviousPage.FindControl("TextBox1") as TextBox;
if (text != null)
{
Label1.Text = text.Text;
}
}
}
}
</source>
PreviousPage.FindControl (VB)
<source lang="csharp">
<%@ Page Language="VB" %> <!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>Untitled Page</title>
</head> <body>
<form id="form1" runat="server">
<asp:TextBox ID="TextBox1" Runat="server"></asp:TextBox>
<asp:Button ID="Button1" Runat="server" Text="Button"
PostBackUrl="~/NextPage.aspx" />
</form>
</body> </html>
File: NextPage.aspx <%@ Page Language="VB" AutoEventWireup="false" CodeFile="NextPage.aspx.vb" Inherits="Step2" %> <!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>Step 2</title>
</head> <body>
<form id="form1" runat="server">
</form>
</body> </html> File: NextPage.aspx.vb Partial Class Step2
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) _
Handles Me.Load
If PreviousPage IsNot Nothing AndAlso PreviousPage.IsCrossPagePostBack Then
Dim text As TextBox = CType(PreviousPage.FindControl("TextBox1"), TextBox)
If text IsNot Nothing Then
Label1.Text = text.Text
End If
End If
End Sub
End Class
</source>
