Retreving name from customer details table

Question

i have design customer preference screen. in that screen customer Id in dropdown list and customer name in text box.

when i click the drop down list in text box name should be displayed in customer preference screen.

i retrievethe customer id in drop down list but when click drop down name is not displayed in text box.

i customer details table id and name is there that name should come in customer preference screen. how to do?

Satyapriya Nayak · Answer

Hi narasiman Try this... Untitled Page onselectedindexchanged=DropDownList1_SelectedIndexChanged> using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; using System.Data.SqlClient; namespace Dropdownlist_click_data_in_textbox { public partial class _Default : System.Web.UI.Page { string strConnString = ConfigurationManager.ConnectionStrings[ConnectionString].ConnectionString; string str; SqlCommand com; protected void Page_Load(object sender EventArgs e) { DropDownList1.AutoPostBack = true; SqlConnection con = new SqlConnection(strConnString); if (!IsPostBack) { DropDownList1.Items.Add(Choose id); con.Open(); str = select * from test; com = new SqlCommand(str con); SqlDataReader reader = com.ExecuteReader(); while (reader.Read()) { DropDownList1.Items.Add(reader[id].ToString()); } reader.Close(); con.Close(); } } protected void DropDownList1_SelectedIndexChanged(object sender EventArgs e) { SqlConnection con = new SqlConnection(strConnString); con.Open(); str = select * from test where id=' + DropDownList1.SelectedItem.Text + '; com = new SqlCommand(str con); SqlDataReader reader = com.ExecuteReader(); while (reader.Read()) { TextBox1.Text = reader[name].ToString(); } reader.Close(); con.Close(); } } } Thanks

Jignesh Trivedi · Answer

hi As per my understanding you want to display customer id in dropdown when use change this id customer name will automatically came in textbox. right? are u use web application or window?