Web Forms :: Retrieving A Controls ID On The Posted Page
Feb 15, 2011
I have a linkbutton inside a repeater's item templete and i want to access the link buttons text on the next page.I set the postbackurl to the next page.But when i use the page.PrevoiusPage.Findcontrol("lnkReport") on the destination page's code behind, I get a null value .These are the markups.
<asp:Content ID="Content2" ContentPlaceHolderID="cpmain" runat="Server">
<fieldset id="fsTrialAct">
</fieldset>
<asp:Repeater ID="rptRepeater" runat="server">
<asp:LinkButton ID="lnkReport" PostBackUrl="~/features/Reports/AdHocReportDetail.aspx"
runat="server"><%#Eval("AdhocBurstingReportName")%></asp:LinkButton></p>
</asp:Repeater>
</asp:Content>
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[Code]....
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[Code]....
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[Code]...
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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
public partial class ResponseTest : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
var a = Request; //I didn't find the data in Request's structure.
Response.Write("successed; hello World;");
}
}
//-----------------------javascript--------------
for( var i=0; i<this.dataToBeSent.length && this.dataToBeSent[i].hasSent == false; i++ )
{
xmlRequest.open("POST",this.dataToBeSent[i].url,true);
xmlRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xmlRequest.setRequestHeader("Content-length", this.dataToBeSent[i].data.length);
xmlRequest.setRequestHeader("Connection", "close");
xmlRequest.onreadystatechange = function()
{
var j = j || i;
if(xmlRequest.readyState == 4 && xmlRequest.status == 200)
{
if( xmlRequest.responseText.toLowerCase().indexOf("successed") > -1 )
{
this.dataToBeSent[i].hasSent = true;
}
}
};
xmlRequest.send(this.dataToBeSent[i].data); // xml data
}
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I am writing an application in which a remote url web site ( says url1 that is sender) sends xml data to another web site (says url2 that is receiver) by using .NET WebRequest. On the receiver url2 if I use .NET Page.Response and .NET Page.Request to store posted/received xml data into an external text file, then the data is stored. However, if I store the received data into database, I do not see the data is stored into the database.
trouble shoot the codes so I can store such remotely posted data into database on the receiver side url2.
I host both url1 site and url2 site in my computer using IIS like [URL]
1/ Receiver page's codes that store remotely posted xml data into database do not work:
protected void Page_Load(object sender, EventArgs e)
{
Page.Response.ContentType = "text/xml";
StreamReader reader = new StreamReader(Page.Request.InputStream);
String xmlData= reader.ReadToEnd();
ProductNameSapce.ProductCollection.InsertReceivedProduct(xmlData).ToString(); // data is not stored ; the method is tested and works well with hard-coded data
reader.Close();
Page.Response.End();
}
2/ The version of the receiver page at url2 that stores into an external text file works:
protected void Page_Load(object sender, EventArgs e)
{
Page.Response.ContentType = "text/xml";
StreamReader reader = new StreamReader ( Page.Request.InputStream );
String xmlData= reader.ReadToEnd ();
StreamWriter s;
s= File.CreateText ( Server.MapPath(".")+@""+ Guid.NewGuid () + ".txt" );
s.WriteLine ( xmlData); // data is stored in an external text file
s.Close ();
reader.Close();
Page.Response.End();
}
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