protected void btnSet_Click(object sender, EventArgs e) { int percent = -1; try { percent = Convert.ToInt32(tboxPrecent.Text.Trim()); } catch (Exception ee) { Response.Write("<script language='javascript'>alert('请正确填写百分数!');</script>"); return; } try { if (percent == -1) { Response.Write("<script language='javascript'>alert('请填写百分数!');</script>"); return; } SellersBLL.UpdateSellerMsgsendPrecent(tboxNick.Text.Trim(), percent); } catch (Exception esss) { Response.Write("<script language='javascript'>alert('设置失败!');</script>"); } }