Adding data in dropdownlist

Question

Hello dear i am in problems that i need to add type name from database table to dropdownlist
in asp.net c# by coding. how can i solve this problems.

Type
Type name           Type name


when i add type after refreshing the page automatically added in dropdown list.

how can i solve this problems.

Satyapriya Nayak · Answer

Untitled Page ControlToValidate=txt_name ErrorMessage=Please insert name> Width=100px /> 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_Insertshow { 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) { if (!IsPostBack) { dropbind(); } } protected void btn_add_Click(object sender EventArgs e) { DropDownList1.Items.Clear(); SqlConnection con = new SqlConnection(strConnString); com = new SqlCommand(); com.Connection = con; com.CommandType = CommandType.Text; com.CommandText = insert into employee(name)values(@name); com.Parameters.Clear(); com.Parameters.AddWithValue(@name txt_name.Text); if (con.State == ConnectionState.Closed) con.Open(); com.ExecuteNonQuery(); con.Close(); Response.Write(Records successfully inserted); clear(); dropbind(); } private void clear() { txt_name.Text = ; } private void dropbind() { SqlConnection con = new SqlConnection(strConnString); DropDownList1.Items.Add(Choose Name); con.Open(); str = select * from employee; com = new SqlCommand(str con); SqlDataReader reader = com.ExecuteReader(); while (reader.Read()) { DropDownList1.Items.Add(reader[name].ToString()); } reader.Close(); con.Close(); } } }