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Server side validation code for Asp.Net TextBox,DropDownList,CheckBoxList,RadioButtonList,ListBox,CheckBox and RadioButton controls

Introduction: In this article i am going to explain how to validate asp.net controls e.g. TextBox, CheckBox, RadioButton, DropDownList, CheckBoxList, RadioButtonList and ListBox through code i.e. server side validation  in Asp.net using both C# and VB language code.
Server side validation for Asp.net TextBox, DropDownList, CheckBoxList, RadioButtonList, ListBox, CheckBox and RadioButton
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Sql server query to get second,third,fourth or nth highest/maximum salary of employee

Introduction: In this article i am going to explain multiple ways to retrieve/get/find 2nd, 3rd, 4th, 5th,6th.....nth highest/maximum salary from employee table or record in sql server database table.

Description: It is one of the mostly asked sql interview question from the fresher and intermediate level of developers. So i have decided to provide some easiest way to get 2nd, 3rd, 4th.....nth highest/maximum salary from employee table in sql server.

In previous articles i explained How to  Use CTE to remove duplicate records from Sql Server database table and Create Sql server database script and Create database from that script and What is the use of SELF JOIN in SQL SERVER with example and Example to explain Transaction in Sql server using Asp.net and What is cursor? Advantages and disadvantages,when to use and example to explain and Get column values as comma separated list in sql server | Convert column values to row 

jQuery to limit and display number of characters left in asp.net multiline textbox | Prevent copy and paste characters in the textbox more than the specified limit

How to limit and display number of character left in asp.net multiline textbox
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Introduction: In this article i am going to explain how using jQuery we can set maximum allowed characters and also count and display number of remaining characters in multiline textbox (TextArea) or simple textbox while typing in textbox or we can say prevent/avoid/limit the numbers of characters to be entered in the textbox. 
Even you can't copy and paste characters in the textbox more than the specified limit.