Guys, I really need your help !! I am using VB.Net & I have a Data Grid View in which I have 3 Columns and Dynamic Rows (user can insert rows based on their requirement). My problem is, I want to populate the value's in the rows that are being input by the User. For Example, user has input up to row 6. And I want to take the values from row 1-6 and calculate the MEAN, MEDIAN, VARIANCE, STANDARD DEVIATION, SIMPLE AVERAGE and so on and Display the result in Column 3 or may be in any text box. I Have attached the screen shot of my form. Plz help me out.