Dynamically generate CSV file from Database by retaining delimited character (comma) using C# and VB.Net in ASP.Net

i am creating dynamic csv file, i am pull out data form backend. 

Hi seriverma,

As there is no word called semicomma hope you were trying to say it semicolon so refer below code.

csv += column.ColumnName + ","c

replace above line of code with below

csv += column.ColumnName + ";"c

csv += row(column.ColumnName).ToString().Replace(",", ";") + ","c

replace above line of code with below

csv += row(column.ColumnName).ToString() + ";"c

and if you mean to say that you want to replace comma with fullstop then replace above both line of code with below

csv += column.ColumnName + "."c
csv += row(column.ColumnName).ToString() + "."c

I have already tried this but its not working . its can not be changed delimiter

seriverma says:

its can not be changed delimiter

 please explain above statement in more detail and your requirement too if possible explain with an example.