How to add datagridview cell values and display in another cell in C# windows application

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I have a Datagridview in that startno textbox column and noofcheques dropdown.
Now i want enter startno in textbox column and select noofcheues from dropdown total will be displayed in endingno textbox column.How to do it.
Please give anylink for reference.
Thanks in advance.

What I have tried:

I am fresher.I don't understand where to start.Please help me.

Posted 8-May-17 23:21pm

Member 13153537

Updated 9-May-17 2:31am

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2 solutions

Solution 1

it is Easy to using javascript

Posted 9-May-17 1:43am

Kaushik AppzyTech

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Member 13153537 · Accepted Answer · 2017-05-09T02:31:00

private void dgvwChqs_CellLeave(object sender, DataGridViewCellEventArgs e)
       {
           dgvwChqs.Rows[e.RowIndex].Cells["endingno"].Value = Convert.ToInt32(dgvwChqs.Rows[e.RowIndex].Cells["startno"].Value) + Convert.ToInt32(dgvwChqs.Rows[e.RowIndex].Cells["noofcheques"].Value);
       }

It is working fine now.How to inserted datagridview data to database table using c# windows application.Please help me