Category - Issues and Exceptions
Results 1 - 10 of 26
14 Oct 2013
0 Comments   10834 Views
Here Mudassar Ahmed Khan has addressed the problem faced when using TinyMCE Rich TextBox Editor inside ASP.Net UpdatePanel.

There are two problems faced, first is that the TinyMCE Rich TextBox Editor disappears after Partial PostBack inside UpdatePanel and second is that the value entered in the TinyMCE Rich TextBox Editor is lost after Partial PostBack in UpdatePanel.
11 Oct 2013
1 Comments   9880 Views
Here Mudassar Ahmed Khan has explained the error exception in ASP.Net A potentially dangerous Request.Form value was detected from the client.

The error exception A potentially dangerous Request.Form value was detected from the client occurs when ValidateRequest is set true and someone tries to submit HTML content to server. This error comes since ASP.Net tries to protect the application from Script Attacks.
22 Sep 2013
6 Comments   7671 Views
Here Mudassar Ahmed Khan has explained how to get the value of ReadOnly TextBox on PostBack and also how to retain its value across PostBacks.

A common example is when working with AJAX Calendar Control, when date is selected the value is set client side using JavaScript by the Calendar Control and if the TextBox is set as ReadOnly the selected date value is lost and the updated value is not available in the TextBox Text property on PostBack.
27 Jun 2013
2 Comments   4862 Views
Here Mudassar Ahmed Khan has explained with an example, how to remove or delete image from browser cache withoout clearing browser cache when Image is changed or replaced on server while the name of being the same in ASP.Net.

By default browsers cache images using their names hence when the image is replaced on server with same name the changes are not reflected in browser unless the cache is cleared.

To overcome this issue, Mudassar Khan has suggested URLs with some random string for images that are changed frequently.
11 Mar 2013
3 Comments   6345 Views
Here Mudassar Ahmed Khan has provided solution to the error ( No valid report source is available ) that occurs in Crystal Reports 13 with ASP.Net ( Visual Studio 2010 ) when a user tries to search using the Crystal Report Viewer Search button.
11 Mar 2013
4 Comments   7241 Views
Here Mudassar Ahmed Khan has provided solution to the error "Failed to export using the options you specified. Please check your options and try again" that user tries to export the Crystal Report to PDF, XLS or CSV using Cystal Report Viewer Export Button in ASP.Net Website
16 Feb 2013
2 Comments   7805 Views
Here Mudassar Ahmed Khan has explained the why we cannot get the full file path of the choosen file in FileUpload control on Button click.
03 Jan 2013
1 Comments   16227 Views
Here Mudassar Ahmed Khan has explained the why we cannot get the full file path of the choosen file in FileUpload control on Button click.
22 Oct 2012
1 Comments   6820 Views
Here Mudassar Ahmed Khan has explained with an example and attached sample code, how to disable or prevent resize of HTML TextArea in browsers like Google Chrome, Mozilla FireFox and Apple Safari using CSS3.
01 Feb 2012
6 Comments   13039 Views
Here Mudassar Ahmed Khan has solved the issue ASP.Net MaintainScrollPositionOnPostback Property not working in Firefox and Chrome and provided a solution that works in all major browsers Internet Explorer IE, FireFox, Google Chrome, Apple Safari and Opera.