Remove item gridView1 and gridView2 error Deleted row information... ?

Dong Lam Trien

3y1.1kADO.NET

Remove item gridView1 and gridView2 error Deleted row information cannot be accessed through the row ?

I use nested while command, to run two gridView1 and gridView1 if gridView1 record is equal to gridView1 record, delete them, but when running, I get an error: "Deleted row information cannot be accessed through the row"

private void cmdSSLoaiTru_Click(object sender, EventArgs e)
{
     while (x2 < gridView2.DataRowCount) //Gv.DataRowCount //Gv.RowCount
     {
         gridView2.SelectRow(x2);
         DataRow row2 = gridView2.GetDataRow(gridView2.GetVisibleRowHandle(x2));
         while (x1 < gridView1.DataRowCount && bStop == true) //Gv.DataRowCount //Gv.RowCount
         {
             gridView1.SelectRow(x1);
             DataRow row1 = gridView1.GetDataRow(x1);//.GetDataRow(gridView1.GetVisibleRowHandle(x1));
             if ((row2["HD"].ToString() == row1["HD"].ToString()) && (row2["SLUONG"].ToString() == row1["SLUONG"].ToString()) && (row2["DONGIA"].ToString() == row1["DONGIA"].ToString())) //error here
             {
                 gridView1.DeleteRow(x1);
                 gridView2.DeleteRow(x2);
             }
             x1++;
         }
         x2++;
         x1 = 0;
     }
}

3 Replies

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Dong Lam Trien3y ago
Thank you for answering my question

Vishal Joshi3y ago

Hello

You need to use Convert.ToString instead of ToString(). please try the below code to get it to work.

private void cmdSSLoaiTru_Click(object sender, EventArgs e)
{
     while (x2 < gridView2.DataRowCount) //Gv.DataRowCount //Gv.RowCount
     {
         gridView2.SelectRow(x2);
         DataRow row2 = gridView2.GetDataRow(gridView2.GetVisibleRowHandle(x2));
         while (x1 < gridView1.DataRowCount && bStop == true) //Gv.DataRowCount //Gv.RowCount
         {
             gridView1.SelectRow(x1);
             DataRow row1 = gridView1.GetDataRow(x1);//.GetDataRow(gridView1.GetVisibleRowHandle(x1));
             if ((Convert.ToString(row2["HD"]) == Convert.ToString(row1["HD"])) && (Convert.ToString(row2["SLUONG"]) == Convert.ToString(row1["SLUONG"])) && (Convert.ToString(row2["DONGIA"]) == Convert.ToString(row1["DONGIA"])))
             {
                 gridView1.DeleteRow(x1);
                 gridView2.DeleteRow(x2);
             }
             x1++;
         }
         x2++;
         x1 = 0;
     }
}

Thanks

Naimish Makwana3y ago

Hello Dong,

The error is occurred because you try to access a row that has been deleted from a data source.

Try below updated code:

private void cmdSSLoaiTru_Click(object sender, EventArgs e)
{
    for (int x2 = 0; x2 < gridView2.DataRowCount; x2++)
    {
        gridView2.SelectRow(x2);
        DataRow row2 = gridView2.GetDataRow(gridView2.GetVisibleRowHandle(x2));
        for (int x1 = 0; x1 < gridView1.DataRowCount; x1++)
        {
            gridView1.SelectRow(x1);
            DataRow row1 = gridView1.GetDataRow(gridView1.GetVisibleRowHandle(x1));
            if ((row2["HD"].ToString() == row1["HD"].ToString()) && (row2["SLUONG"].ToString() == row1["SLUONG"].ToString()) && (row2["DONGIA"].ToString() == row1["DONGIA"].ToString()))
            {
                gridView1.DeleteRow(x1);
                gridView2.DeleteRow(x2);
                x1--;
                x2--;
                break;
            }
        }
    }
}

Thanks

Naimish Makwana