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How can I delete the cookie when the user exist from the browser
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y don't u use session variables. what's the point of using cookies. Cookie is there for future so the process is little faster
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Don't set any expiration date on the cookie. That makes it a session cookie that goes away when the browser is closed.
---
single minded; short sighted; long gone;
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I am getting the error
Object reference not set to an instance of an object
as shown below.
Object reference not set to an instance of an object.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
Line 43: chkRemember = FindControl("RememberMe")
Line 44:
Line 45: If chkRemember.Checked = True Then
Line 46: 'cookies are sent to the user's pc using httpresponse
Line 47: Dim oCookie As HttpCookie = New HttpCookie("loginuserid")
My Login_LoggedIn event where the error is breaking is as shown below
======================================================================
Protected Sub Login_LoggedIn(ByVal sender As Object, ByVal e As System.EventArgs) Handles Login.LoggedIn
'This event is fired when the Login button is pressed
Dim chkRemember As CheckBox = New CheckBox
chkRemember = Me.FindControl("RememberMe")
If chkRemember.Checked = True Then
'cookies are sent to the user's pc using httpresponse
Dim oCookie As HttpCookie = New HttpCookie("loginuserid")
'remove previous cookie
Response.Cookies.Remove("loginuserid")
'create new cookie
'Response.Cookies.Add(oCookie)
'Assign values to cookie's subkeys
oCookie("user") = Login.UserName 'oCookie.Values.Add("user", Login.UserName) '
oCookie("pass") = Login.Password
oCookie.Expires = DateTime.Now.AddDays(15)
'Add the cookie to the Cookies collection
Response.Cookies.Add(oCookie)
End If
End Sub
pls help
t.aransiola
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Dim chkRemember As CheckBox = New CheckBox
chkRemember = Me.FindControl("RememberMe")
instead of the above code replace the below one
Dim chkRemember As CheckBox
If ( Not Me.FindControl(Login1.ID & "$RememberMe") Is Nothing) then
chkRemember = CType(Me.FindControl(Login1.ID & "$RememberMe"),CheckBox)
Else
chkRemember = New CheckBox()
End If
Since At the Conversion of html , the checkbox is named as login1.ID along with the "$RememberMe". Since no such control (RememberMe) exist, you are getting error.
I think it will solve your problem
One important think is that alway check whether the control exist or not, then do the operation.
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Dear all
we have Vs2005, and sqlserver 2000 in our local system. We create a login.aspx file. Thru this login.aspx file(which is on the local system) , we can connect to the host server database.But while we try to connect the database thru the login.aspx file (which is on the host server) , we get the following error alert message.
"An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections.(provider:TCP Provider,error: 0 - A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.)"
Can anybody help for this problem?
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Most likely you have the wrong name for the sql server in your connection string. You might have local host for you local application. When you install this on a web service you will need to put the correct sql server name in the connection string.
Hope that helps.
Ben
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hello
i'm looking for a way to call a c#-method by clicking on a row in a gridview.
actually i try at first to select something , so i put this code in my gridview onRowCreated-method and it works.
e.Row.Attributes["onclick"] = ClientScript.GetPostBackClientHyperlink(this.gvResultview, "Select$" + e.Row.RowIndex);
but how can i call a c#-method by a click event ???
thanks a lot for help !
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U can use Command Event of GridView....
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thx for your answer... can you give me more details please ?
thanks a lot
best regards
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What exactly u want to do please tell me in detail and also post a new thread.So that I can help u...
Thanks...
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Hi all! Can anybody tell me, how I can create global variables for web side.
-- modified at 11:38 Thursday 26th April, 2007
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Use Session if you want it to only be for a single user. Use Application if you want it to be for all users. If it is something that is used a lot use the cache object.
Hope that helps.
Ben
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When I was trying to do session varibles, I found a hard time finding decent code to mimmick, or someone being ablt to explain it correctly to me, so here is a some code sniplets, from one of my pages, I pass about 4 session varibles, to another page, depending on how a user answers some questions of my form, them I call this function to pass certain pieces of data to the form I pop open for them
This is what function I call to start passing my session varibles, and pop open the window
private void EnterTIR( string myMSEL, int myPTNumber, int myEntryOrder, int myPTSUBNr, int strmyMSELNum)<br />
{<br />
Session["sMSEL"] = myMSEL.ToString();<br />
Session["sPTNumber"] = myPTNumber.ToString();<br />
Session["sEntryOrder"] = myEntryOrder.ToString();<br />
Session["sPTSUBNr"] = myPTSUBNr.ToString();<br />
Session["sMSELID"] = strmyMSELNum.ToString();<br />
<br />
string url = "../Forms/NewTir.aspx?sessionId="+Session["sMSEL"]+Session["sMSELID"]+Session["sPTNumber"]+Session["sPTSUBNr"]+Session["sEntryOrder"];<br />
<br />
string windowName = "NewTir";<br />
string openParams = "width=700,height=800,toolbar=1,resizable=1";<br />
StringBuilder sb = new StringBuilder();<br />
sb.Append("<script language=\"javascript\" type=\"text/javascript\">" + Environment.NewLine);<br />
sb.Append("window.open('" + url + "', '" + windowName + "','" + openParams + "');");<br />
sb.Append("</script>");<br />
<br />
Page.RegisterStartupScript("openWindowScript", sb.ToString()); <br />
<br />
<br />
<br />
}<br />
Then on page load of the NewTIR.ASPX
MSEL.Text = Convert.ToString(Session["sMSEL"]);<br />
Entry_Order.Text = Convert.ToString(Session["sEntryOrder"]);<br />
PTNumber.Text = Convert.ToString(Session["sPTNumber"]);<br />
PTSUBNr.Text = Convert.ToString(Session["sPTSUBNr"]);<br />
MSELID.Text = Convert.ToString(Session["sMSELID"]); <br />
Hope this helps, But be aware, session vars are known to slow your site down a bit, if you start passing too many. In my case this is the only time I use any session vars.
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thank you very much. It's work excellent.
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Glad I could help someone on here. I noticed alot of questions go un answered, so I try to answer what I can!
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Hello Technicians
I m using IIS5.1,VS2003,WinXP SP2
Whenever i m trying to create or use a web application,it gives me the error
"The web server reported the following error when trying to create or open the web project located at following URL http://localhost/cf".'A connection with the server could not be established.'
when i restart IIS it does,nt give any error message to me neither it shows any information about successful starting of internet service.
If i stop IIS it tell me to chk for the web server installed and running.
and restart then the same error "Connection could not be established"
I have searched a lot of forum but unfortunately can not fix it.
plz do something.....
Ajay
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If i understand you correctly, you expect your localhost to work even if IIS is stopped?
To my knowledge i do not think you can run a localhost site if IIS is stopped.
Please correct me if I am wrong...
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I have been out of ASP.NET web programming for about 2 years now. I am now using visual studio 2005 to deploy the MS small business sample asp.net (vb) sample website. I have tried to publish to my ftp site and also used the copy web option in VS2005, but when I go to the URL via IE, it attempts to download the page (I get the open/save dialog box) instead of displaying the page. Not sure what I am doing wrong or if it has something to do with the hosting site I am using. When I debug the web site on my local computer, the pages work fine.
Any assistance or direction would be appreciated.
Thanks
Marc
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this normally means that the mime type of the page is configured wrong on the server so your browser doesn't know what to do with it. I've been out of the server game for a while so i'm not sure how you fix it these days but hopefully that's enough to start googling on.
HTH
Russ
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I want to develop an asp .net web page that allows a user to upload an eps file to the web server and than convert the eps file to a jpg or gif file. I can code the uploading of the file but how can I do the converting?
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Try with ReaConverter Pro - Advanced Image Converter.
Regards,
Satips.
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Hi,
Im having a problem with my application,when im trying to execute a exe file from my ASP.NET application im getting the following error.im executing the file using the PROCESS class in .NET.
This Exe is executing correctly from the command line and in a prototype application.
HERE IS THE DETAILED ERROR MESSAGE.
Unhandled Exception: System.IO.FileLoadException: Could not load file or assembly 'TF, Version=8.0.0.0,
Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. Access is denied.
File name: 'TF, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' --->
System.UnauthorizedAccessException: Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))
Any Helps greatly appreciated
Sudharson.G
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Can U please provide the code?
Regards,
Arun Kumar.A
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This normally means that the security has been locked down so that you can't fire things off.
Deja View - the feeling that you've seen this post before.
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