Retrieve value from sql database to dropdownlist and label

Question

Anyone help me i have database table like this [sql server 2008] table1 state-id country pincode StateName 1 ttt 587030 xyz 2 yyy 678543 htk in asp.net i have dropdownlist and lable. how i can fetch stateName value to dropdown and its respective pincode to lable.

Satyapriya Nayak · Answer

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 WebApplication10 { 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; Label1.Text = ; SqlConnection con = new SqlConnection(strConnString); if (!IsPostBack) { DropDownList1.Items.Add(Choose stateName); con.Open(); str = select * from table1; com = new SqlCommand(str con); SqlDataReader reader = com.ExecuteReader(); while (reader.Read()) { DropDownList1.Items.Add(reader[stateName].ToString()); } reader.Close(); con.Close(); } } protected void DropDownList1_SelectedIndexChanged(object sender EventArgs e) { SqlConnection con = new SqlConnection(strConnString); con.Open(); str = select * from table1 where stateName=' + DropDownList1.SelectedItem.Text + '; com = new SqlCommand(str con); SqlDataReader reader = com.ExecuteReader(); while (reader.Read()) { Label1.Text = reader[pincode].ToString(); } reader.Close(); con.Close(); } } }

samanta · Answer

thank you