Query to change the datatype of column in sql server

Introduction:

In this article I will explain how to change or rename datatype of column in SQL server.

Description:

In previous post I explained how to alter or modify or delete or change already existing column in datatable in SQL Server and many articles relating to SQL Server. Now I will explain how to rename or change datatype of column name or table name in SQL Server.

Syntax to modify existing column datatype in table

If we want to modify existing column datatype from data table that syntax will be like this

Add datatable data with comma separated values in string

Introduction:

Here I will explain how to add or bind datatable column data with comma separated values in asp.net.

Description:

In previous article I explained about self join in SQL server, Joins in SQL Server and many more articles relating to SQL Server. Now I will explain how to add datatable data with comma separated values in asp.net.

self join query in sql server | self join example in sql server

Introduction:

Here I will explain how to write self join query in SQL server and self join example in SQL server.

Description:

In previous article I explained about Joins in SQL Server and many more articles relating to SQL Server. Now I will explain about self join in SQL Server.

Self Join

Joining the table itself called self join. Self join is used to retrieve the records having some relation or similarity with other records in the same table. Here we need to use aliases for the same table to set a self join between single table and retrieve records satisfying the condition in where clause.

Alter query to add column with default value in SQL Server

Introduction:

In this article I will explain how to write Query to add new column with default value to existing datatable in SQL server.

Description:

In previous post I explained how to alter or add new column in datatable using SQL Server. Now I will explain how to write query to add new column with default value to existing datatable in SQL Server. During work with one application I got requirement like alter existing table structure to add new column with default value 0(zero). If we want to add new column with some default value to existing table we need to write the query in a format as shown below

Use Case Statement with Select Query in SQL Server | Case Statement Example in SQL Server

Introduction:

In this article I will explain how to write SQL  query to use case statement with select in SQL Server or case statement example in SQL Server.

Description:

In previous posts I explained Distinct keyword with top statement, Replace function, substring function to get particular part of string and many articles relating to SQL Server. Now I will explain how to write query to use case statement in SQL Server.

Generally case statement is conditional statement that will return column value based on the evaluation of set conditions. We can use CASE in statements such as SELECT, UPDATE, DELETE and SET, and in clauses such as select_list, IN, WHERE, ORDER BY, and HAVING.

Jquery autocomplete textbox with multiple words separated by comma or semicolon in asp.net

Introduction:

In this article I will explain how to implement JQuery UI autocomplete textbox with multiple words or values with comma separated or semi colon separated in asp.net.

Description:

In previous articles I explained JQuery autocomplete textbox with asp.net and JQuery autocomplete textbox with images in asp.net and many articles relating to JQuery. Now I will explain how to implement autocomplete textbox with multiple word selection in asp.net.

SQL Server - Query to use Distinct Keyword with Top Statement in SQL Server

Introduction:

In this article I will explain how to write SQL query to use distinct keyword with Top statement in SQL Server.

Description:

In previous posts I explained Replace function, substring function to get particular part of string and many articles relating to SQL Server. Now I will explain how to use distinct keyword with top statement in sql server.

Generally by using Distinct keyword we can get distinct records from datatable that declaration will be like this

SQL Server - Query to Get Last Inserted Record Id

Introduction:

In this article I will explain how to write query to get last inserted record id in sql server or last modified record id value in SQL Server.

Description:

In previous post I explained how to set identity property or auto increment column in data table and many articles relating to SQL Server. Now I will explain how to write a query to get last inserted record id value or last modifies record id in SQL Server. Generally if we create data table we will set identity column or auto increment column in table to increase column id value automatically whenever new record inserted in SQL Server. In one situation I got requirement like to get last inserted record Id from data table in SQL Server.

JQuery html or asp button click event in asp.net

Introduction

In this article I will explain how to use html button click event or asp button click events in asp.net using JQuery.

Description:

In previous article I explained how to show session timeout message before session expires in JQuery. In one situation I got requirement like implement some functionality in html button click event for that I used JQuery button click events. Here I will explain how to implement button click functionality in JQuery for html and asp button controls for that first open visual studio create new application and design your aspx page like this 

JQuery Show Session Timeout message before session expires in asp.net

Introduction: 

In this article I will explain how to show session timeout message before session expires or redirect to login page when user inactive on website using JQuery in asp.net.

Description:
  
In previous article I explained show alert message when user idle or inactive on website using JQuery. I am using that concept here to show session timeout message before session expires when user idle or inactive on website using JQuery in asp.net.

Generally in banking sites if we stay idle for sometime automatically we will get alert like your session is going to expire and it will show options like do you want to continue or Signout. Whenever we click on continue our session will active in that site without any session expire if we click on Sign Out option it will signout from that site and return to home page. We can implement this functionality easily by using available JQuery plug-in.