//连接 protected void BtnLink_Click(object sender, EventArgs e) { if (TbIpAdd.Text.Trim() == string.Empty) { LbTooltip.Text = "请输入服务器地址!"; return; } if (TbUser.Text.Trim() == string.Empty) { LbTooltip.Text = "请输入用户名!"; return; } if (TbPwd.Text.Trim() == string.Empty) { LbTooltip.Text = "请输入密码!"; return; } SqlConnection conn = CodeToolsHelper.OpenCn(); try { GetDataBase(); LbTooltip.Text = "连接成功"; } catch (Exception ex) { LbTooltip.Text = "连接失败"; } }