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i have country and city dropdown list both in a update panel.
on selectedindex change of country i am population list of cities..
it is working fine in IE 7 but in IE 6 i tries to populate city list but take long time and after that i get error request time out same is the case with fire fox can any one guide where is the problem ???
umerumerumer
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I know if you write your own AJAX code there's no reason for that to happen, but are those controls compatible with those browsers ?
Christian Graus
Driven to the arms of OSX by Vista.
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use the break point and check where the error is coming.
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no no i am not using any code of mine....
and break point is not concerned here i get javascrit error or ajax on status bar request time out...
only in case of firefox and ie6 in ie 7 every thing works fine i am just loading city list in dropdown nothing else.....
umerumerumer
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or try in update panel there is content template and Triggers.
In Triggers,u set the <asp:autopostback id="YOURCONTROLID" xmlns:asp="#unknown">..
try it.
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Each browser has a different way to call an XmlHttp request. Because of this, your AJAX script needs to try all of them until it finds the correct one. You can add something like this to your script to initiate the proper request-
function GetXmlHttpObject() {
var xmlHttp=null;
try {
xmlHttp=new XMLHttpRequest();
}
catch (e) {
try {
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e) {
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
}
return xmlHttp;
}
Try that out. Good luck!
Ranjit Viswakumar
Professional Services Specialist
HostMySite.com[^]
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hi everybody, i want to restore database tables data stored in ("c:\backup.xml") file created WriteXml() method.
Is it usefull idea or........
Dim t As DataTable
For Each t In myds.Tables
t.BeginLoadData()
Next
myds.ReadXml("c:\backup.xml")
For Each t In myds.Tables
t.EndLoadData()
Or anyother suggestion..
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You're asked this three times now. Have you tried any of the things you've been told ? If so, try telling us what you tried and why it doesn't work. If you're just asking blindly over and over, make that clear, so that people know not to bother answering.
Christian Graus
Driven to the arms of OSX by Vista.
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I have done this. but there z no error. and the database z also not restored.... Can U Give Me Some Suggestion
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SeMartens thanx... 
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So, learn to use the debugger, step through and work out what's going on. and where you code fails. Then tell us what's going on.
Christian Graus
Driven to the arms of OSX by Vista.
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AhmedNisar82 wrote: Can U Give Me Some Suggestion
Stop trying. Get a book, learn and try.
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I am having trouble on calling a function on my code behind.. here's my code..
MPEConfirm = New AjaxControlToolkit.ModalPopupExtender
Dim popup As LiteralControl = New LiteralControl
PnlConfirm = New Panel
btnConOK = New Button
btnConCancel = New Button
'asp panel for modal popup
With PnlConfirm
.ID = "PnlConfirm"
.CssClass = "modalPopup"
.Attributes.Add("Style", "display: none")
.Height = 100
.Width = 233
End With
With btnConOK
.ID = "btnConOK"
.CssClass = "Buttons"
.Text = "Yes"
.Width = 50
End With
arrbtnConOK(l) = btnConOK
AddHandler btnConOK.Click, AddressOf btnConOK_Click
With btnConCancel
.ID = "btnConCancel"
.CssClass = "Buttons"
.Text = "No"
.Width = 50
End With
AddHandler btnConCancel.Click, AddressOf btnConCancel_Click
popup = New LiteralControl("<br /><div align='center'>")
PnlConfirm.Controls.Add(popup)
'popup = New LiteralControl("<span style='font-size:10px;color:white;font-family:Verdana'>Are you sure you want to continue without saving?</span><br /><br />")
'PnlConfirm.Controls.Add(popup)
popup = New LiteralControl("<span style='font-size:10px;color:white;font-family:Verdana'>Do you want to save the changes that you made?</span><br /><br />")
PnlConfirm.Controls.Add(popup)
PnlConfirm.Controls.Add(btnConOK)
popup = New LiteralControl(" ")
PnlConfirm.Controls.Add(popup)
PnlConfirm.Controls.Add(btnConCancel)
popup = New LiteralControl("</div>")
PnlConfirm.Controls.Add(popup)
For l = 0 To dt.Rows.Count - 1
imgExpand = New ImageButton
With imgExpand
.ID = "imgExpand_" & l
.ImageUrl = "~/Files/images/expand_blue.gif"
.CommandName = l
.CommandArgument = dt.Rows(l)("core_id")
End With
AddHandler imgExpand.Click, AddressOf imgExpand_Click
'modalpopup extender
With MPEConfirm
.ID = "MPEConfirm" & l
.TargetControlID = "imgExpand_" & l
.PopupControlID = "PnlConfirm"
.BackgroundCssClass = "modalBackground"
'.OkControlID = "btnConOK"
'.CancelControlID = "btnConCancel"
End With
arrMPEConfirm(l) = MPEConfirm
PnlCoreComp.Controls.Add(imgExpand)
PnlCoreComp.Controls.Add(arrMPEConfirm(l))
Next
PnlCoreComp.Controls.Add(PnlConfirm)
i disabled okControlID and CancelControlID to be able to disregard the client script and the button would go directly to the function on my code behind.. my problem is, my function won't trigger even if i added event handler on my button.. any idea?
yours truly,
hyperalergelo
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Hello All,
I developed one web application which use URL re-writer.Also we use extension less URL. When i published and deploy my application on server it works OK for extension less URL because global resourse file is used as App_GlobalResources.dll. But when i want to use this as file in my deployed application it works OK for .aspx pages.But when extension less URL is called then following error occured
HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly.
Please help to solve this problem.
modified on Tuesday, February 3, 2009 6:49 AM
modified on Tuesday, February 3, 2009 6:51 AM
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public partial class _User : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
try
{
if (!PreviousPage.IsValid)
{
LabelName.Text = "Error";
}
else
{
TextBox textboxitem = (TextBox)PreviousPage.FindControl("TXtLoginName");
String user = textboxitem.Text;
String pswd = ((TextBox)PreviousPage.FindControl("TxtLoginPswd")).Text;
LabelName.Text = String.Format("Hai...{0}<br/>Ur password is {1}", user, pswd);
}
}
catch (Exception err)
{
LabelName.Text = "Error: " + err.Message.ToString();
}
}
}
my previous page contains textbox, TXtLoginName.Text & TxtLoginPswd
ERROR:Object reference not set to an instance of an object.
Whats the fault?
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M.Ambigai wrote: ERROR:Object reference not set to an instance of an object.
This is very common error. Did you debug your application? Check which line throwing the exception.
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you must be having this error in retrieving password value right??
when ever page is post back password values are disappead for security issues...
in your case if you want to use password value on next page then you will have to save its value...
txtpassword.attibutes["value"]= txtpassword.text;
now your value of password textbox on post back will not lost and use use it where ever you want...
umerumerumer
modified on Tuesday, February 3, 2009 4:26 AM
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Let him do the experiment. 
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Hi,
what is difference between adding a value to session variable or cache
N!dh!
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A cookie is a small amount of data that is stored either in a text file on the client file system or in-memory in the client browser session. It contains site-specific information that the server sends to the client along with page output. Cookies can be temporary (with specific expiration times and dates) or persistent.
You can use cookies to store information about a particular client, session, or application. The cookies are saved on the client device, and when the browser requests a page, the client sends the information in the cookie along with the request information. The server can read the cookie and extract its value. A typical use is to store a token (perhaps encrypted) indicating that the user has already been authenticated in your application.
ASP.NET allows you to save values by using session state — which is an instance of the HttpSessionState class — for each active Web-application session. For an overview, see ASP.NET Session State Overview.
Session state is similar to application state, except that it is scoped to the current browser session. If different users are using your application, each user session will have a different session state. In addition, if a user leaves your application and then returns later, the second user session will have a different session state from the first.
Session state is structured as a key/value dictionary for storing session-specific information that needs to be maintained between server round trips and between requests for pages. For more information, see ASP.NET Session State Overview.
You can use session state to accomplish the following tasks:
• Uniquely identify browser or client-device requests and map them to an individual session instance on the server.
• Store session-specific data on the server for use across multiple browser or client-device requests within the same session.
• Raise appropriate session management events. In addition, you can write application code leveraging these events.
Once you add your application-specific information to session state, the server manages this object. Depending on which options you specify, session information can be stored in cookies, on an out-of-process server, or on a computer running Microsoft SQL Server. For usage recommendations, see ASP.NET State Management Recommendations.
The following example shows how to save a value in session state.
Visual Basic
Copy Code
Session("FirstName") = FirstNameTextBox.Text
Session("LastName") = LastNameTextBox.Text
C#
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Hi,
Its all information about session where i want to know about difference b/n session variable and cache variable.
N!dh!
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