Delete row in a gridview without affecting Database

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ASP.NET

Hi,
Iam trying to delete some rows from gridview without affecting the database.So many examples I saw in the code project itself.But the problem with the below code is only the row in the zeroth position can delete.But I want to delete the row in the click position itself.Can anyone suggest any idea?

Below is my code:-

protected void DeleteDemandSlabOnclick(object sender, EventArgs e)
{
    DataTable demandSlabList;
    if (txtbxTariff.Text.Contains("HT") == false)
        InitializeFixedChargeTable(out demandSlabList);
    else
        InitializeDemandChargeTable(out demandSlabList);
    foreach (GridViewRow Row in SlabsGrid.Rows)
    {
        DataRow row = demandSlabList.NewRow();
        row[0] = Row.Cells[0].Text;
        row[1] = Row.Cells[1].Text;
        row[2] = Row.Cells[2].Text;
        demandSlabList.Rows.Add(row);
    }
    if (demandSlabList.Rows.Count > 0)
    {
        demandSlabList.Rows.RemoveAt(0);
        SlabsGrid.DataSource = demandSlabList;
        SlabsGrid.DataBind();
    }
}