SETTING ACTIVE ITEM IN DROPDOWNLIST

1. ddlSizeGuide.DataBind();
2. string sizeGuideId = dtbProductDeb.Rows[0]["sizeGuideId"].ToString();
3. ListItem liSizeGuide = ddlSizeGuide.Items.FindByValue(sizeGuideId);
4. int indexOfDD = ddlSizeGuide.Items.IndexOf(liSizeGuide);
5. ddlSizeGuide.SelectedIndex = indexOfDD;