C#

private DataTable AddNewRowToGrid()
{
    int rowIndex = 0;
    if (ViewState["CurrentTable"] != null)
    {
        DataTable dtCurrentTable = (DataTable)ViewState["CurrentTable"];
        DataRow drCurrentRow = null;
        if (dtCurrentTable.Rows.Count > 0)
        {
            for (int i = 1; i <= dtCurrentTable.Rows.Count; i++)
            {
                //extract the TextBox values
                drCurrentRow = dtCurrentTable.NewRow();
                dtCurrentTable.Rows[i - 1]["EffectFrom"] = ((TextBox)mdlpopupGrid.Rows[rowIndex].Cells[1].FindControl("txtEffectFrom")).Text;
                dtCurrentTable.Rows[i - 1]["EffectivePercentage"] = ((TextBox)mdlpopupGrid.Rows[rowIndex].Cells[2].FindControl("txtEffectivePercentage")).Text;
                dtCurrentTable.Rows[i - 1]["Grade_Salary"] = ((TextBox)mdlpopupGrid.Rows[rowIndex].Cells[3].FindControl("txtGradeSalary")).Text;
                rowIndex++;
            }
            dtCurrentTable.Rows.Add(drCurrentRow);
            ViewState["CurrentTable"] = dtCurrentTable;
            return dtCurrentTable;
        }
    }
}

PInvokeStackImbalance was detected

Marshal.StructureToPtr(Marshal.SizeOf(m_Mp3Config), Marshal.AllocHGlobal(pConfig), false);

uint LameResult = Lame_encDll.beInitStream(ref pConfig, ref m_InputSamples, ref m_OutBufferSize, ref m_hLameStream);

[DllImport("Lame_enc.dll")]
public static extern uint beInitStream(ref BE_CONFIG pbeConfig, ref uint dwSamples, ref uint dwBufferSize, ref uint phbeStream);

[DllImport("Lame_enc.dll")]
public static extern uint beInitStream(ref IntPtr pbeConfig, ref uint dwSamples, ref uint dwBufferSize, ref uint phbeStream);

Int32 i = Convert.ToInt32(lblmnum.Text);
Int32 j = Convert.ToInt32(lbljnum.Text);
Process[i][j] = Convert.ToInt32(txttimep.Text);

int[][] Process= new int[100][];