private void btnAddFoodType_Click(object sender, EventArgs e) { try { AddFoodTypeCtl objAddFoodType = new AddFoodTypeCtl(cmbParentCategory.Text.ToString()); objAddFoodType.Parent = this.ParentForm; UserControlManager.UserControls.Push(this); Panel pnl = (Panel)this.ParentForm.Controls["pnlContext"]; string s = pnl.Name; objAddFoodType.ParentForm.Controls[s].Controls.Clear(); objAddFoodType.ParentForm.Controls[s].Controls.Add(objAddFoodType); } catch (Exception exp) { throw exp; } }