HtmlTableCell cell5 = new HtmlTableCell();
cell5.Controls.Add(deleteCriteria);
if (editId == criteria.ID)
{
    Button saveCriteria = new Button();
    saveCriteria.Text = "SAVE";
    saveCriteria.ID = "save" + k;
    saveCriteria.CommandName = "" + criteria.ID;
    saveCriteria.Attributes["class"] = "table-button";
    saveCriteria.Click += SaveCriteria_Click;
    cell5.Controls.Add(saveCriteria);
 }
 else
 {
    Button editCriteria = new Button();
    editCriteria.Text = "EDIT";
    editCriteria.ID = "edit" + k;
    editCriteria.CommandName = "" + criteria.ID;
    editCriteria.Attributes["class"] = "table-button";
    editCriteria.Click += EditCriteria_Click;
    cell5.Controls.Add(editCriteria);
 }
 row.Controls.Add(cell5);