private void BT_ok_Click(object sender, EventArgs e) { string[] data = new string[6]; data[0] = TE_Name.Text; data[1] = SE_1.EditValue.ToString(); data[2] = SE_2.EditValue.ToString(); data[3] = SE_3.EditValue.ToString(); data[4] = SE_4.EditValue.ToString(); data[5] = SE_5.EditValue.ToString(); if (data[0].Trim() == "" || data[1].Trim() == "") { MessageBox.Show("用户名或者密码不能为空"); return; } bool Res; if (Add) { if (db.GetUser(data[0]) != null) { MessageBox.Show("用户名已存在"); return; } Res = db.AddUser(data); } else { Res = db.EditUser(data); } if (Res) { this.Close(); } else { MessageBox.Show("操作数据库报错"); } }