how to dyanamic combo box using c# asp.net

Question

how to dyanamic list combo box and when i select a item in the mean time selected item related from opening using asp.net c# .please help me .

Zakir Ahamed · Answer

onclick="Button2_Click" /> Code Behind: protected System.Web.UI.WebControls.TextBox txtSkill; protected System.Web.UI.WebControls.TextBox txtVersion; protected void Page_Load(object sender, EventArgs e) { } int countTimes = 0; protected void Button1_Click(object sender, EventArgs e) { if (ViewState["countTimes"] == null) { countTimes = 1; } else { countTimes = Convert.ToInt32(ViewState["countTimes"]); } for (int i = 0; i { txtSkill = new TextBox(); txtSkill.ID = "txtSkill" + i; txtVersion = new TextBox(); txtVersion.ID = "txtVersion" + i; form1.Controls.Add(txtSkill); form1.Controls.Add(txtVersion); } countTimes = countTimes + 1; ViewState.Add("countTimes", countTimes); } protected void Button2_Click(object sender, EventArgs e) { if (ViewState["countTimes"] == null) { countTimes = 1; } else { countTimes = Convert.ToInt32(ViewState["countTimes"]); } for (int i = 0; i { txtSkill = new TextBox(); txtSkill.ID = "txtSkill" + i; txtVersion = new TextBox(); txtVersion.ID = "txtVersion" + i; form1.Controls.Add(txtSkill); form1.Controls.Add(txtVersion); } string storeToDbValueOne = ""; string storeToDbValueTwo = ""; for (int i = 0; i { storeToDbValueOne += Request.Form["txtSkill" + i]; storeToDbValueOne += Request.Form["txtVersion" + i]; } Response.Write(" alert('"+storeToDbValueOne +" "+storeToDbValueTwo+"') "); }