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how to pass Sql parameter

Anonymous User 2451 19-Jun-2013
Hi Developers, 

I have created stored procedure that expects one parameter '@order_no', which was not supplied. I am sending parameter to procedure like below

try
{
    con.Open();
    SqlCommand cmd = new SqlCommand("gridalldata", con);
    cmd.Parameters.Add("@order_no", SqlDbType.NVarChar).Value = txt_orderno.Text;
    SqlDataReader dr = cmd.ExecuteReader();
    for (int i = 0; i < dataGridView1.Rows.Count; i++)
    {
        if (dr.HasRows)
        {
            dr.Read();
            dataGridView1.Rows[i].Cells[0].Value = dr[0].ToString();
            dataGridView1.Rows[i].Cells[2].Value = dr[2].ToString();
            dataGridView1.Rows[i].Cells[3].Value = dr[3].ToString();
            dataGridView1.Rows[i].Cells[4].Value = dr[4].ToString();
            dataGridView1.Rows[i].Cells[5].Value = dr[5].ToString();
            dataGridView1.Rows[i].Cells[6].Value = dr[6].ToString();
            dataGridView1.Rows[i].Cells[7].Value = dr[7].ToString();
            dataGridView1.Rows[i].Cells[8].Value = dr[8].ToString();
            dataGridView1.Rows[i].Cells[9].Value = dr[9].ToString();
            dataGridView1.Rows[i].Cells[10].Value = dr[13].ToString();
            dataGridView1.Rows[i].Cells[11].Value = dr[12].ToString();
        }
    }
    dr.Close();
    con.Close();
}
catch (Exception ex)
{
    MessageBox.Show(ex.Message);
}
finally
{
    con.Close();
}

How To Fix This

Thanks in advance for any recommendations or solutions.

Updated on 19-Jun-2013
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