ASP.NET,C#.NET,VB.NET,JQuery,JavaScript,Gridview

Asp.net - The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>)

By: Suresh Dasari Dec 25, 2011 50 comments

Introduction:

Here I will explain how to solve the problem “The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>).” when running web application using asp.net.

Description:

I created one web application and added some of script files in header section of page like this

<title>Lightbox Page</title>

</head>

After add script file to header section i tried to run the application during that time I got error like “The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>).”

Visual Studio - unable to start debugging on the web server. The web server did not respond in a timely manner

By: Suresh Dasari 17 comments

Introduction:

Here I will explain how to solve the problem “unable to start debugging on the web server. The web server did not respond in a timely manner. This may be because another debugger is already attached to the web server.” when compiling in visual studio and running web application using asp.net.

Description:

In my machine I opened visual studio and tried to run application that works perfectly. After make some modifications in code and tried to run application using visual studio I got error like “unable to start debugging on the web server. The web server did not respond in a timely manner. This may be because another debugger is already attached to the web server”.

Open/Close or Show/Hide Ajax Modalpopupextender using JavaScript in asp.net

By: Suresh Dasari Dec 24, 2011 19 comments

Introduction:

Here I will explain how to show/hide Ajax modalpopupextender using JavaScript in asp.net.

Description:

In previous posts I explained some of the samples relating to Ajax modalpopupextender. During the time whenever I worked on to prepare samples for Ajax modalpopupextender I got requirement like close the modalpopupextender whenever I click on close icon for that more check this example Ajax Confirmation box. Generally in Ajax modalpopupextender we will set two properties TargetControlID and CancelControlID like

Asp.net confirmation box with yes/no button options using modalpopup

By: Suresh Dasari Dec 23, 2011 15 comments

Introduction:

Here I will explain how to implement confirmation box with Yes/No button options and change the style of Confirmation box in asp.net using Ajax ModalPopupExtender.

Description:

In many situations we will use confirmation box ex: During delete one record we will ask confirmation of user like “Are you sure you want to delete record?” if user clicks on Ok button we will delete particular record otherwise if clicks on Cancel button then we won’t delete users. Initially our default confirmation box will be like this

Bind or add tooltip for dropdownlist items in asp.net | Handle Long text problem in dropdownlist using asp.net

By: Suresh Dasari Dec 19, 2011 12 comments

Introduction:

In this article I will explain how to add tooltip for dropdownlist item in asp.net.

Description:

In Previous article I explained clearly how to bind images to dropdownlist. Now I will explain how to add tooltips for dropdownlist item in asp.net. In many situations we will use dropdownlists in our application if it contain less length of data then it will display the data correctly otherwise if it contains more length of data then user will not be able to see entire data that would be like this

JQuery change the style of tooltip in asp.net | Gridview header and columns tooltip in asp.net

By: Suresh Dasari Dec 18, 2011 7 comments

Introduction:

In this article I will explain how to change the style of tooltips in asp.net using JQuery.

Description:

In my previous posts I explained clearly how to show the tooltip for girdiview rows and columns and show tooltip for gridview header here I am using these posts to bind gridview with tooltips. In our websites we will apply tooltips for many controls whenever we apply tooltips for controls initially that would be like this

JQuery Bind images to dropdownlist in asp.net

By: Suresh Dasari Dec 17, 2011 45 comments

Introduction:

In this article I will explain how to bind images to dropdownlist in asp.net using JQuery.

Description:

In previous articles I explained about how to implement cascading dropdownlist and Ajax Cascading dropdownlist. Now I will explain how to bind dropdownlist with images dynamically in asp.net using JQuery. In one of website I saw one dropdownlist that contains Country names along with country flags. I feel it’s better to write post to explain how to bind images to dropdownlist in asp.net. To implement this concept by using JQuery plugin we can achieve this easily.

JQuery lightbox image slideshow gallery in asp.net

By: Suresh Dasari Dec 15, 2011 86 comments

Introduction:

In this article I will explain how to create lightbox image slideshow in asp.net using JQuery.

Description:

In previous post I explained about Ajax SlideshowExtender sample to display images slideshow. Now in this article I will explain how to create lightbox image slideshow in asp.net using JQuery. In many websites generally we will see different types of slideshows like whenever we click on image that is automatically open with lightbox effect and we have a chance to see all the remaining images by press next or previous options in slideshow. All these Slideshows are implemented by using JQuery plugins. After seen those slideshows I decided to write post to use JQuery plugins to implement beautiful slideshown in asp.net.

Failed to access IIS metabase in ASP.NET

By: Suresh Dasari Dec 13, 2011 5 comments

Introduction:

Here I will explain how to solve the problem “Failed to access IIS metabase ASP.NET” when we try to browse website using asp.net

Description:

In my machine I tried to access one of the website from IIS at that time I got error like “Failed to access IIS metabase ASP.NET”. I realized that problem because of process model user account (in our case, ASPNET) does not have the correct user rights for the required system files and folders to run the ASP.NET worker process and apparently there is a bug in the ASP.NET install.

Method error 500/12031 in ajax cascadingdropdown extender | AJAX CascadingDropDown - Method Error 500

By: Suresh Dasari Dec 12, 2011 10 comments

Introduction:

Here I will explain how to solve the problem “Method error 500/12031 in ajax cascadingdropdown extender” using asp.net.

Description:

In previous post I explained clearly about Ajax cascading dropdownlist sample. Generally during implementation of cascading dropdonlist we will see our dropdowns shows error like “Method error 500 or Method Error 12031”. This error is occurred because of missing following line of code in WebService.

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