ASP.NET,C#.NET,VB.NET,JQuery,JavaScript,Gridview: December 2011

CreateUserWizard control to create user accounts in asp.net membership

By: Suresh Dasari Dec 31, 2011 8 comments

Introduction:

In this article I will explain how to create users using CreateUserWizard using asp.net membership concept.

Description:

In previous post I explained clearly how to install asp.net membership database schema in SQL Server . After install asp.net membership database check your database everything installed and ready to use in our application or not.

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JQuery Custom Styles for Radio button, checkbox, dropdownlist and textbox in asp.net

By: Suresh Dasari Dec 29, 2011 8 comments

Introduction:

In this article I will explain how to change the style of radiobutton, checkbox, dropdownlist, textbox and buttons in asp.net using JQuery.

Description:

In previous posts I explained many articles relating to JQuery those are fancy zoom effect for image and Change Controls background and border color when validation fails etc. Now I will explain how to change the style of form controls using JQuery in asp.net.

In one of the website I saw registration form that contains controls with rich interface all the controls looking very beautiful. After seen that one I decided to write post to explain about how to change form controls dynamically in asp.net we can implement this functionality easily by using available JQuery plugins.

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JQuery fancy Zoom effect for Image in asp.net | JQuery Increase Size of image when click on it in asp.net

By: Suresh Dasari Dec 28, 2011 20 comments

Introduction:

In this article I will explain how to implement fancy zoom effect for image when we click on particular image using JQuery in asp.net.

Description:

In previous post I explained about JQuery Image slideshow gallery to display images slideshow. Now in this article I will explain how to increase size of image or implement zoom effect for image when we click on particular image in asp.net.

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JQuery Highlight border and background color of form controls when validation fails in asp.net

By: Suresh Dasari Dec 27, 2011 11 comments

Introduction:

In this article I will explain how to highlight or change background and border color of form controls when validation fails in asp.net using JQuery.

Description:

In previous articles I explained about Display validation error messages with images and Change textbox background when validation fails and Ajax Password Strength using asp.net . Now I will explain how to highlight form controls when validation fails using JQuery in asp.net.

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JQuery Check Password Strength Example in asp.net | Display Validation error message with images in asp.net

By: Suresh Dasari Dec 26, 2011 6 comments

Introduction:

In this article I will explain how to display images whenever validation fails in form using JQuery and I will explain how to check password strength using JQuery in asp.net.

Description:

In previous articles I explained about form validations using JavaScript and Ajax Password Strength using asp.net . Now I will explain how to show the images when validation fails and I will explain how to show the password strength using JQuery in asp.net.

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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

<head id="head2" runat="server">

<title>Lightbox Page</title>

<link href="aspdotnetsuresh.css" rel="stylesheet" type="text/css" />

<script type="text/javascript" src="<%= ResolveUrl("~/js/LightBox.js") %>"></script>

</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. <% ... %>).”

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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”.

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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

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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

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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

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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

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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.

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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.

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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.

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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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Export selected rows of gridview to Excel or word in ASP.Net

By: Suresh Dasari 16 comments

Introduction:

Here I will explain how to export only selected or checked rows or records from gridview to Word or Excel sheet using asp.net.

Description:

In my previous posts I explained clearly how to export gridview data to Excel or word using asp.net and how to export gridview data to PDF using asp.net and explained another post that is Export gridview data to CSV file using asp.net. After explain all the concepts one of the user has asked me a question i.e. how to export gridview records to excel/word based on checkbox selection in gridview. To implement this one first design one table in database as shown below and give name as “UserInformation”

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Query to Find Nth Highest Salary of Employee In Sql Server | Query to Find 2nd or 3rd highest salary of employee in SQL Server

By: Suresh Dasari Dec 10, 2011 30 comments

Introduction:

In this article I will explain how to find nth highest salary of the employee in SQL Server.

Description:

In many sites we will find one frequent question that is like how to find 2^nd highest salary of employee or how to find 3^rd highest salary of employee or how to find nth highest salary of employee in SQL Server. To get required highest salary we are having different alternative ways.

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Joins in sql server, Inner Join,Cross Join,Left Outer Join,Equi join, Right Outer Join, Full Outer Join

By: Suresh Dasari 72 comments

Introduction:

In this post I will explain what are the Joins in SQL Server and different types of Joins example (SQL LEFT outer Join, SQL RIGHT outer Join, SQL FULL outer Join, SQL Cross Join, SQL inner Join sample, Self Join example) and uses of Joins in SQL Server.

Description:

In SQL joins are used to get data from two or more tables based on relationship between some of the columns in tables. In most of the cases we will use primary key of first table and foreign key of secondary table to get data from tables by using this relationship we can reduce the duplication of data in every table.

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Simple login form example in asp.net Check Username and Password availability in database

By: Suresh Dasari Dec 8, 2011 131 comments

Introduction:

In this post I will explain how to implement simple login form using asp.net and I will explain how to Check Username and Password Exists in database using asp.net .

Description:

One day I got mail from one of the reader he has asked about how to implement simple login form to check username and password details of user in database. If user details exist in database then we need to redirect user to welcome page otherwise we need to display “Invalid Username/Password”. Mostly it’s common for all the websites before access the website. I know that many of them feel it’s very easy but for the people who have started learning .NET they don’t know how to implement this because of that I decided to write post to help for the persons who is in need with this requirement.

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A potentially dangerous Request.Form value was detected from the client in asp.net

By: Suresh Dasari Dec 4, 2011 37 comments

Introduction:

In this post I will explain how to solve the problem “A potentially dangerous Request.Form value was detected from the client in ASP.NET WebForms” using asp.net.

Description:

In previous post I explained clearly about Rich textbox sample in asp.net . After completion code if I try to insert some html formatted data in database using rich textbox I got error like “A potentially dangerous Request.Form value was detected from the client in ASP.NET WebForms”

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Search Records In GridView And Highlight Results Using ASP.NET | how to highlight search results in gridview using asp.net

By: Suresh Dasari Dec 3, 2011 72 comments

Introduction:

In this article I will explain how to search records in gridview and highlight search keywords in gridview using asp.net.

Description:

In Previous post I explained clearly about how to filter gridview records with dropdownlist selection. Now I will explain how to implement search functionality for gridview and highlight search keywords in gridview using asp.net.

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SQL Server Error - Saving Changes in not permitted. The changes you have made require the following tables to be dropped and re-created. You have either made changes to a table that can’t be re-created or enabled the option Prevent saving changes that require the table to be re-created

By: Suresh Dasari Dec 1, 2011 7 comments

Introduction

Here I will explain how to enable prevent saving changes in sql server or to solve the problem of “Saving Changes in not permitted. The changes you have made require the following tables to be dropped and re-created.etc” in SQL Server.

Description

I have installed SQL Server 2008 in my laptop after successfully installed I opened SQL Server Management studio and created new table like this

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how to set default home page in IE and Mozilla using JavaScript in asp.net

By: Suresh Dasari 2 comments

Introduction

Here I will explain how to set default home page in browser using JavaScript in asp.net.

Description

In many major websites we will see link like “Set as a home page” if we click on that home page link that will automatically change our browser default home page url to their particular page url. In IE browser we can easily set home page just by simple code but Mozilla we don’t have a chance to set home directly because of security concerns. If we want to set the home page in Mozilla first we need to set signed.applets.codebase_principal_support to true then run the below code to set home page initially that is in false mode.

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Add Bookmark link to website using javascript | Add to Favorites (IE) / Bookmark (Firefox) using Javascript

By: Suresh Dasari 7 comments

Introduction

Here I will explain how to add bookmark link to our website using JavaScript in asp.net.

Description

In many websites we will see link like “Bookmark this Site” if we click on that bookmark link that will prompts the user with dialog box to add that specified link in favorites list. If we want to add that type functionality to our website we can write in different ways. Here I will explain in two different ways to add Bookmark functionality

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