i have student mark, then one student absent do datagridview

if (dataGridView2.CurrentCell.ColumnIndex < 5)

{

int sum = 0;

//int average = 0;

for (int j = 0; j < dataGridView2.Rows.Count - 1; j++)

{

for (int i = 0; i < dataGridView2.Columns.Count - 2; i++)

{

//char a = 'a';

if (dataGridView2.Rows[j].)

{

}

//{

// a='0';

// dataGridView2.CurrentRow.Cells[i].Value = dataGridView2.CurrentCell.RowIndex.ToString();

//}

//if else(dataGridView2.CurrentCell.RowIndex!='a')

sum += Convert.ToInt32(dataGridView2.Rows[j].Cells[i].Value);

}

} dataGridView2.Rows[dataGridView2.CurrentRow.Index].Cells["dgvctotal"].Value = sum.ToString();

int b = (int.Parse(sum.ToString())) / (int.Parse(dataGridView2.Columns.Count.ToString()) - 2);

dataGridView2.Rows[dataGridView2.CurrentRow.Index].Cells["dgvcaverage"].Value = b.ToString();

}

2 Replies

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Mark Mashup11y ago
i have five subject mark ex: tamil , english then one student exams absent then how to calculate addition and devision total mark then average for datagridview window form
before done addition and devision but not accept one cells absent for addition and devision
i want to
Sumit Joshi11y ago
HI Mark
I request you to please ask your question on descriptive way