No overload for method 'dispdata' takes '0' arguments

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Error: : No overload for method 'dispdata' takes '0' arguments

C#

 public void dispdata(string catid)
    {
       
      
            con.Open();

            SqlCommand cmd = new SqlCommand(" select catname,catdesc from categoryDetail where catid=@catid ", con);
            cmd.Parameters.AddWithValue("@catid", catid);
            SqlDataReader dr = cmd.ExecuteReader();
            while (dr.Read())
            {
                txtcname.Text = dr["catname"].ToString();
                txtcatdesc.Text = dr["catdesc"].ToString();
            }
            con.Close();          

    }
protected void btnsubmit_Click(object sender, ImageClickEventArgs e)
    {
        SqlCommand cmd = new SqlCommand();
        con.Open();
        string str = "update categorydetail set catname='" + txtcname.Text + "' where catdesc='" + txtcatdesc.Text + "'";
        cmd = new SqlCommand(str, con);
        cmd.ExecuteNonQuery();
        Response.Redirect("CategoryDetail.aspx?Edit=Yes");
        con.Close();
        dispdata();

}

Posted 26-Jul-12 19:26pm

shalinibharani

Updated 26-Jul-12 20:00pm

Prasad_Kulkarni

v5

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Sebastian T Xavier 27-Jul-12 1:29am

Please post your code of method call

1 solution

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Sebastian T Xavier · Accepted Answer · 2012-07-26T19:28:00

You need to pass a string value to catid, when you call dispdata method.

Update: Hope you have corrected your code as follows

C#

protected void btnsubmit_Click(object sender, ImageClickEventArgs e)
    {
        SqlCommand cmd = new SqlCommand();
        con.Open();
        string str = "update categorydetail set catname='" + txtcname.Text + "' where catdesc='" + txtcatdesc.Text + "'";
        cmd = new SqlCommand(str, con);
        cmd.ExecuteNonQuery();
        Response.Redirect("CategoryDetail.aspx?Edit=Yes");
        con.Close();
        dispdata("ANY STRING VALUE");

}

Regards
Sebastian