DataGridView and DataSet , Update and AccpetChanges

[half life]

Hi, the situation is this : i have a datagridview bound to a dataset. when i click on a button i've got on every datagridviewRow i need to update the changes in the same row, the thing is that i need also to change a column named "status" in the same row here is the event :

   private void dgvCalibrtion\_CellContentClick(object sender, DataGridViewCellEventArgs e)
    {

        if( e.ColumnIndex == 6)
        { 
                UpdateCalibrtionData((dgvCalibrtion.Rows\[e.RowIndex\].DataBoundItem as DataRowView).Row, e.RowIndex);
                TA\_CalibrationData.Update((dgvCalibrtion.Rows\[e.RowIndex\].DataBoundItem as DataRowView).Row);
                dS\_StationManager.T\_CalibrationData.AcceptChanges();
         

        }
    }

the thing is that the change in the column status //Cell[2]// never send to the DB the Datagridview shows the string ("Valid", ... ) but does'nt pass the change to the *.mdb, Neither the color of the string is changed. but all the other manually changes to the datagridview ( input from user ) is updated o.k. //Here i'm changing the value of the cell myself//

    private void UpdateCalibrtionData(DataRow dgvDataRow, int RowIndex)
    {

        DateTime ncalTime = (DateTime)dgvDataRow.ItemArray\[3\];

        if (ncalTime < DateTime.Now)
        {
            dgvCalibrtion.Rows\[RowIndex\].Cells\[2\].Style.ForeColor = Color.Red;
            dgvCalibrtion.Rows\[RowIndex\].Cells\[2\].Value = "Date Expired";
            return;
        }

        if (ncalTime > DateTime.Now)
        {
            if (ncalTime < DateTime.Now.AddDays(SM\_ApplicationData.Instance.CalibrationThreshold))
            {
                TimeSpan dayDiff = (DateTime.Now - ncalTime);
                int dDays = -(dayDiff.Days - 1);
                dgvCalibrtion.Rows\[RowIndex\].Cells\[2\].Style.ForeColor = Color.Orange;
                dgvCalibrtion.Rows\[RowIndex\].Cells\[2\].Value = "will expire in" + dDays.ToString() + " Days";
                return;
            }

            dgvCalibrtion.Rows\[RowIndex\].Cells\[2\].Value = "Still Valid";
            dgvCalibrtion.Rows\[RowIndex\].Cells\[2\].Style.ForeColor = Color.Green;
        }
    }

any one??? :) :) :) Have a nice day

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