Question

I have a webpage in which I let user to enter the contents, even if they change the line frequently in the textbox, the gridview when retrieves it from the database doesn’t show any new line.

Answer 1

Try something like this in your RowDataBound event if you’re using C#

e.Row.Cells[0].Text = e.Row.Cells[0].Text.Replace(Environment.NewLine, "<br/>");

where e.Row.Cells[0].Text is the text retrieved from the database.