Drop down list box not updated from page load

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Having difficulty loading the drop down list box with data from the first record in the table.

What am I doing wrong ?

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;

using System.Data;
using System.Data.Sql;
using System.Data.SqlClient;
using System.Data.SqlTypes;

namespace EDAIF
{
public partial class Loanmaster : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
//Page Load Begins
if (!IsPostBack)
{
try
{
SqlConnection connect = new SqlConnection();
connect.ConnectionString = ConfigurationManager.ConnectionStrings["ApplicationServices"].ConnectionString;
connect.Open();
SqlDataAdapter da = new SqlDataAdapter(@"SELECT [ID_CODE] ,
[CUSTOMER] ,
[APPRS_NO] ,
[REG_CERT] ,
[CURRENT_STATUS]
FROM LOANMASTER ", connect);

DataSet ds = new DataSet();
da.Fill(ds, "LOANJOIN");

ddl_Status.SelectedValue = ds.Tables["LOANJOIN"].Rows[0][" CURRENT_STATUS "].ToString();

txt_Id_Code.Text = ds.Tables["LOANJOIN"].Rows[0]["ID_CODE"].ToString();
txt_Mail1.Text = ds.Tables["LOANJOIN"].Rows[0]["MAIL1"].ToString();

lblstatus.Text = "First record successful";
connect.Close();
GridView1.SelectedIndexChanged += new EventHandler(GridView1_SelectedIndexChanged);
txt_Id_Code.Enabled = false;
txt_Appraisal.Enabled = false;
txt_Customer.Focus();

}
catch (Exception ex)
{
lblstatus.Text = ex.Message;
}

}

//Load End

Posted 4-Jun-14 16:15pm

Member 10744248

Updated 4-Jun-14 16:18pm

v2

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Comments

Member 10744248 4-Jun-14 23:03pm

Not Clear.

The first record field is 'NON-ACTIVE' which was not picked

Member 10744248 4-Jun-14 23:05pm

That has been done

DamithSL 4-Jun-14 23:29pm

check my updated answer

2 solutions

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Raul Iloc · Answer 1 · 2014-06-04T19:10:00

In the Page_Init event, you have to init your drop down list with data read from the database, like in the next example:

C#

protected void Page_Init(object sender, EventArgs e)
{
    if (!Page.IsPostBack)
    {
        try
        {
            //
            // Init the center drop down list used as filter control
            //
            List<Group> centerList = DataContext.Groups.ToList<Group>();
            SortedDictionary<string, int> sortedData = new SortedDictionary<string, int>();
            _groupDropDownList.DataSource = sortedData;
            _groupDropDownList.DataValueField = "value";
            _groupDropDownList.DataTextField = "key";
            _groupDropDownList.DataBind();
            //
            _groupDropDownList.Items.Insert(0, new ListItem("All Groups", "0"));
            //
            _groupDropDownList.SelectedIndex = 0;
        }
        catch (Exception ex)
        {
            RaGridViewEventLog.LogException(ex);
            this.ErrorMessage = "Error in loading the data from the database!";
        }
    }
}

DamithSL · Answer 2 · 2014-06-04T16:39:00

You are setting selected value of the status ddl. But before that you need to bind the drop down with some items. then only you can set one of item as selected base on the item value.

and also note that you have spaces at the beginning and at the end of your column name
change

C#

dl_Status.SelectedValue = ds.Tables["LOANJOIN"].Rows[0][" CURRENT_STATUS "].ToString();

to

C#

dl_Status.SelectedValue = ds.Tables["LOANJOIN"].Rows[0]["CURRENT_STATUS"].ToString();

Drop down list box not updated from page load

2 solutions

Solution 2

Solution 1

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