How to Generate one more column in my Database table

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i want to generate one more column in my database table using datatable or other way

like:-

employee id int
employee name varchar(50)
employee address varchar(50)

i want to generate automatic one more column (employee salary) using datatable without
enter database

Posted 3-Jul-14 21:30pm

Nishant.Chauhan80

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_Asif_ · Answer 1 · 2014-07-03T21:44:00

The fastest way to do this is to change your query. For example

SQL

SELECT EmployeeID,
       EmployeeName,
       EmployeeAddress,
       0 as EmployeeSalary
FROM Employee

Doing this will automatically populate the new Column EmployeeSalary with a value of 0 which you can manipulate at run time.

If you dont want to change SQL then you can also do like this

DataColumn salaryCol = DataTable.Columns.Add("EmployeeSalary", typeof(Int32));
salaryCol.AllowDBNull = false;