Adding data to DataGridView

Question

I have datagridview and I want to insert in it values that come from textbox a and a NumericUpDown box but I face a problem which is that these values inserted into the datagridview are not in the column that I specified.

Here is the code I wrote:

        dataGridView1.Rows.Add(MaterialTextBox.Text);
        dataGridView1.Rows.Add(HoursNumericUpDown.Value);
        dataGridView1.Rows.Add(MarkNumericUpDown.Value);
        dataGridView1.Rows.Add(MarkPoints);

and by the way is that way of calculating the values that I get from NumericUpDown box is?

        decimal MarkPoints, x, y;
        x = HoursNumericUpDown.Value;
        y = MarkNumericUpDown.Value;
        MarkPoints = x * y;

Because when I write it with this way I got an error

decimal MarkPoints = HoursNumericUpDown.Value * HoursNumericUpDown.Value;

I think there is no different answer for example let's

HoursNumericUpDown value is 2 
MarkNumericUpDown value is 3

the answer in the first way is 6 which is correct but the answer in the second way is 4. what is wrong?

VAShhh · Accepted Answer · 2011-05-27 11:48:02Z

2

you must specify the cells of your row and then add the row to the dataGridView :

    Dim dgvRow As New DataGridViewRow
    Dim dgvCell As DataGridViewCell

    dgvCell = New DataGridViewTextBoxCell()
    dgvCell.Value = MaterialTextBox.Text
    dgvRow.Cells.Add(dgvCell)

    dgvCell = New DataGridViewTextBoxCell()
    dgvCell.Value = HoursNumericUpDown.Value
    dgvRow.Cells.Add(dgvCell)

    dgvCell = New DataGridViewTextBoxCell()
    dgvCell.Value = MarkNumericUpDown.Value
    dgvRow.Cells.Add(dgvCell)

    dgvCell = New DataGridViewTextBoxCell()
    dgvCell.Value = MarkPoints
    dgvRow.Cells.Add(dgvCell)

    dataGridView1.Rows.Add(dgvRow)

answered May 27, 2011 at 11:48

VAShhh

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