Error In Automatically Fill All Textbox And Dropdown From Database Value Which Is Happening But In This Case Of Dropdownlist It Is Not Working. What I Can Do To Solve It?

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SQL-Server-2012

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m using this Method to automatically fill all textbox and dropdown from database value
which is happening but in this case of dropdownlist it is not working.
what i can do to solve it?

private void paybillname()
        {
            string CS = ConfigurationManager.ConnectionStrings["SocietyCS"].ConnectionString;
            using (SqlConnection con = new SqlConnection(CS))
            {
                SqlCommand cmd = new SqlCommand("spmemberpaybillautofill", con);
                cmd.CommandType = CommandType.StoredProcedure;

                SqlParameter Nameparameter = new SqlParameter("@MemberName", txtmembername.Text);
                cmd.Parameters.Add(Nameparameter);
                con.Open();
                SqlDataReader rdr = cmd.ExecuteReader();
                if (rdr.Read())
                {
                   
                   here at time of binding these dropdown how i bind this control in this way ?
                   // ddlsocietyname.DataTextField = rdr.GetValue(2).ToString();
                   //ddlsocietyname.DataValueField = rdr.GetValue(1).ToString();
                    
                    // dropdownlist control is not working
                    ddlsocietyname.SelectedValue = rdr.GetValue(2).ToString();
                    txtsocietyname.Text = rdr.GetValue(2).ToString();
                    txtMemberID.Text = rdr.GetValue(24).ToString();
                    txtmembername.Text = rdr.GetValue(26).ToString();
                    ddlmembername.SelectedValue = rdr.GetValue(26).ToString();
                    txtmemberRoomNumber.Text = rdr.GetValue(28).ToString();
                    txtcurrentmonth.Text = rdr.GetValue(33).ToString();
                    txtcidcocharges.Text = rdr.GetValue(13).ToString();
                }
                rdr.Close();
            }
        }</pre>

Posted 6-May-14 9:17am

Tarun Jaiswal

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Nayan Ambaliya · Answer 1 · 2014-05-06T13:49:00

Hi Tarun,

I use a different method. Please see below if that helps;

C#

using System.Data;
using System.Data.SqlClient;
/****************/


            SqlConnection con = new SqlConnection();
            SqlCommand cmd = new SqlCommand();
            SqlDataAdapter adap = new SqlDataAdapter();
            DataTable dt = new DataTable();

            con.ConnectionString = ""; //your connection string goes here
            con.Open();

            cmd = con.CreateCommand();
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.CommandText = ""; //your stored procedure name goes here

            cmd.Parameters.AddWithValue("ParamName1", "ParamValue1");
            cmd.Parameters.AddWithValue("ParamName2", "ParamValue2");
            cmd.Parameters.AddWithValue("ParamName3", "ParamValue3");
            //....
            cmd.CommandTimeout = 10000;

            adap.SelectCommand = cmd;
            adap.Fill(dt); //Fill the data table with values obtained by executing the stored procedure

            con.Close();

            //bind your drop down here
            this.comboBox1.DataSource = dt;
            this.comboBox1.DisplayMember = "FieldToDisplayAsTextItemInComboBox"; //This is the field name whose values will be displayed as text items
            this.comboBox1.ValueMember = "FieldToBeUsedAsValueItem"; //This is the field name whose values will be used as values corresponding to relevant text items 

            //Fill your textboxes as below
            this.txtbox1.text = dt.Rows[0]["FieldName"].ToString();
            //...

Hope this helps.
Please mark the answer if appropriate.

Happy coding..!!

--Nayan

kunal r somani · Answer 2 · 2014-05-06T19:58:00

Solution 2

ddlmembername.SelectedValue = ddlmembername.Items.FindByValue(rdr.GetValue(26).ToString() ).Value;

Posted 6-May-14 19:58pm

kunal r somani