JQuery how to disable/enable all the controls on asp.net page

Introduction: 

Here I will explain how to disable or enable all the controls in page using JQuery in asp.net.

Description:
  
In previous articles I explained Bind gridview using JQuery in asp.net  and AutoComplete textbox with JQuery using asp.net and many articles relating to JQuery. Now I will explain how to disable or enable all the controls in webpage using JQuery in asp.net.

To implement this one we need to write code as shown below in your aspx page

Difference between char varchar and nvarchar in sql server

Introduction:

In this article I will explain what is the difference between char, varchar and nvarchar in SQL Server.

Description:

In previous post I explained many articles relating to SQL Server. Now I will explain the differences between char, varchar and nvarchar in SQL Server. Actually one of blog reader has asked me question regarding differences between varchar and nvarchar at that time I decided it’s better to write article on this topic.

Char DataType

Char datatype which is used to store fixed length of characters. Suppose if we declared char(50) it will allocates memory for 50 characters. Once we declare char(50) and insert only 10 characters of word then only 10 characters of memory will be used and other 40 characters of memory will be wasted.

Query to remove first, last character from string in sql server

Introduction:

In this article I will explain how to remove first or last characters from string in SQL server.

Description:

In previous post I explained concatenate row values into string and substring function example to replace particular of string in SQL Server and many articles relating to SQL Server. Now I will explain how to write a query to remove first or last character from string in SQL Server. Here I will explain with one example for that I have one string which contains data like this

SQL Server - Query to Concatenate Row Values in SQL Server

Introduction:

In this article I will explain how to write a query to concatenate row values in SQL server.

Description:

In previous post I explained how to concatenate column values in SQL Server and many articles relating to SQL Server. Now I will explain how to write a query to concatenate row values in SQL Server. Here I will explain with one example for that I have one table UserDetails like as shown below

Query to concatenate two column values in SQL Server

Introduction:

In this article I will explain how to write a query to concatenate two columns of data to single column in datatable using 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 write a query to concatenate two columns of data into single column in SQL Server. Here I will explain with one example for that I have one table UserDetails like as shown below

how to bind dropdownlist in asp.net using jquery or JSON

Introduction: 

Here I will explain how to bind dropdownlist using JQuery ajax or JSON in asp.net.

Description:
  
In previous articles I explained Bind gridview using JQuery in asp.net  and AutoComplete textbox with JQuery using asp.net. Now I will explain how to bind dropdownlist using JQuery or JSON in asp.net.

To implement this concept first design table in database and give name as Country as shown below

How to send or pass multiple parameters in jquery ajax in asp.net

Introduction:

Here I will explain how to send or pass multiple parameters using JQuery or JSON in asp.net.

Description:

In previous posts I explained articles relating JSON in that I explained how to call page methods using JSON or JQuery in asp.net or Auto complete textbox with JQuery/JSON in asp.net. Now I will explain how to pass or send multiple parameters using JQuery or JSON in asp.net.

If we want to send or pass multiple parameters using JSON or JQuery in asp.net we need to declare it like as shown below

how to check dataset is null or empty in asp.net | Check dataset contains a data or not

Introduction:

Here I will explain how to check a dataset contains data or dataset is null or empty in asp.net.

Description:

In previous posts I explained many articles relating code snippets in asp.net. Now I will explain how to check if dataset contains any data or dataset is null or empty in asp.net.

If we want to check dataset contains data or not for that we need to write code as shown below

How to send mail with multiple attachments in asp.net

Introduction: 

In this article I will explain how to send mail with multiple attachments in asp.net.

Description:

In previous post I explained how to send mail with attachment in asp.net. Now I will explain how to send mail with multiple attachments in asp.net. During work with one of the application I got requirement like send mail with multiple attachments in asp.net actually we can implement this concept very easily just by adding few lines of code to how to send mail with attachment in asp.net.

Query to return default value if column contains null value in SQL Server

Introduction:

Here I will explain how to write a query to return default value if column contains null value in SQL Server.

Description:

In previous articles I explained how to delete null or empty values from datatable in SQL Server and many articles relating to SQL Server. Now I will explain how to write a query to return default if column contains null value in SQL Server. For that first design one table (UserInfo) in database and enter data like as shown below