Checking User Name Availability in the Database Dynamically | ASP.NET | Web Technology

Checking User Name Availability in the Database Dynamically

Video

Step 1: Creating a New Web Application

Step 2: Add Web Form for the empty website application

Website -----àAdd New Item -> WebForm

The default web form name is Default.aspx

Step 3: Design Page[Default.aspx]

then Select the Div[checkun] Control and Click Source 

Then add the highlighted code inside div tag.

Step 4 : Adding the Database to the Program.

This also same procedure like how we added the web form

Website --à Add New Item -àSQL Server Database

For Creating Tables in the database first You have to select the Database Explorer

You have Select Tables Folder then right-click and Select Add New table

Then Add Table Columns and its Data Types

After Specifying all the Columns and DataTypes Press Ctrl+S to save the table with its Name Here it is UserDetailes.

After Successful Creation of Table in Database It will looks like this:

Step 5: We require Connection String to Obtain the connection between the Front-end Application with Back-end.

Click the Configure Data Source

Then no need to go to Next Button. You click the cancel Button.

Step 6: 

[please make sure that you are downloading Tick and Cross Mark Image from internet and placing it inside folder images]

Step 7 : 

then add the highlighted code to the textbox

Step 8: Executing the program using Ctrl+F5.