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+') ); }