How to get the value by using link button event in GridView

Question

Dear All I have GridView & i binded CategoryID with DataKeyNames. DataKeyNames=CategoryID I have link button in my GridView. When i click that link button i need to get that row CategoryID. Which event i need to write for this link button & how to do this?

Satyapriya Nayak · Answer

Hi Siva Try this... Untitled Page onselectedindexchanging=GridView1_SelectedIndexChanging DataKeyNames=empname> using System; 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; public partial class _Default : System.Web.UI.Page { string connStr = ConfigurationManager.ConnectionStrings[ConnectionString].ConnectionString; DataSet ds = new DataSet(); SqlCommand com; SqlConnection con; SqlDataAdapter sqlda; string str; string str1; protected void Page_Load(object sender EventArgs e) { if (!IsPostBack) { binddata(); } } void binddata() { con = new SqlConnection(connStr); con.Open(); str = select * from employee; com = new SqlCommand(str con); sqlda = new SqlDataAdapter(com); ds = new DataSet(); sqlda.Fill(ds employee); GridView1.DataSource = ds; GridView1.DataMember = employee; GridView1.DataBind(); con.Close(); } protected void GridView1_SelectedIndexChanging(object sender GridViewSelectEventArgs e) { GridView1.SelectedIndex = Convert.ToInt32(e.NewSelectedIndex); str1 = GridView1.SelectedDataKey.Value.ToString(); Label1.Text =  You have selected employee Name:  + str1; binddata(); } } Thanks