2011-08-14 18 views

答えて

2
int sum = 0; 

foreach (DataGridViewRow row in dataGridView.Rows) 
{ 
    //here 0 is the index of columns you want to get values from 
    // you can also use column name instead of index 
    sum += (int) row.Cells[0].Value; 
} 

//for showing the user message box 
MessageBox.Show("Sum of all the values is {0}", sum.ToString()); 
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