ASP.NET客户信息管理系统的开发(14)
时间:2016-11-27 21:00 来源:毕业论文 作者:毕业论文 点击:次
SqlCommand cmd1 = new SqlCommand(sql, conn); if (cmd1.ExecuteScalar() == null) { MessageBox.Show("查无资料,请输入"); button1.Enabled = true; return; } else { textBox1.Text = cmd1.ExecuteScalar().ToString(); button5.Enabled = true; button3.Enabled = true; } 2)添加信息 if (textBox1.Text == "") { MessageBox.Show("请输入投诉信息"); return; } else { sqlConnect(); string sq2 = "insert into tousu values('" + comboBox1.Text.Trim() + "','" + textBox1.Text.Trim() + "' )"; SqlCommand cmd2 = new SqlCommand(sq2, conn); cmd2.ExecuteNonQuery(); sqlClose(); MessageBox.Show("添加成功"); } 3)修改信息 if (textBox1.Text =="") { MessageBox.Show("请输入投诉信息"); return; } else { sqlConnect(); string sq4 = "update tousu set liyou='" + textBox1.Text.Trim() + "'where custormid='" + comboBox1.Text + "'"; SqlCommand cmd4 = new SqlCommand(sq4, conn); (责任编辑:qin) |