Adding new column along with data to an EXISTING gridview

[massoud12345]

Hi,
Does anyone know how to add calculated data to an existing gridview at run time?
Thanks

[ninjaimp]

have a look here for:

http://www.devasp.net/net/articles/display/291.html

[massoud12345]

Thanks but was not useful.

have a look here for:

http://www.devasp.net/net/articles/display/291.html

[mail2saion]

TRY WITH THIS ONE:
http://www.highoncoding.com/Articles/191_Displaying_Running_Total_in_GridView.aspx

[massoud12345]

Thanks but I am trying to add a column to an existing gridview. In this example the gridview is created only once and not moified afterwards