private void ButRepair_Click(object sender, EventArgs e)
{
try
{
// 1.验证输入内容是否有效
if (TextAddress.Text.Trim().Equals(""))
{
MessageBox.Show("报修地点不能为空", "提示");
TextAddress.Focus();
return;
}
else if (TextContent.Text.Trim().Equals(""))
{
MessageBox.Show("报修内容不能为空", "提示");
TextContent.Focus();
return;
}
else if (ComType.SelectedIndex == -1)
{
MessageBox.Show("请选择报修类型", "提示");
ComType.Focus();
return;
}
// 验证数据库中是否已经有相同的报修
string id = "select userId from user_info where userName = '******'";
DataSet user = DBconn.getData(id);
string sqlStr = "select repairId,repairCount from repairtable where userId = '" + user.Tables[0].Rows[0][0] + "'";
DataSet ds = DBconn.getData(sqlStr);
//如果ds里面不存在数据，说明这个用户第一次报修，直接插入新的记录
if (ds.Tables[0].Rows.Count == 0)
{
string sqlInsert = "insert into repairtable(userId,repairContent,repairDate," +
"repairStatus,repairAddress,repairType,repairCount)values('" + user.Tables[0].Rows[0][0] + "','" + TextContent.Text + "','" + DateRepair.Value + "','" + "待维修" + "','" + TextAddress.Text + "','" + ComType.Text + "','" + 1 + "')";
DBconn.upData(sqlInsert);
MessageBox.Show("报修成功!");
ClearAll();
}
else
{
//否则的话就是repairtable表里已经有了LanUser里的这个用户。目的就是更新这个用户的报修次数，并插入新的记录
int count = ds.Tables[0].Rows.Count;
string sqlInsert = "insert into repairtable(userId,repairContent,repairDate," +
"repairStatus,repairAddress,repairType,repairCount)values('" + user.Tables[0].Rows[0][0] + "','" + TextContent.Text + "','" + DateRepair.Value + "','" + "待维修" + "','" + TextAddress.Text + "','" + ComType.Text + "','" + (count + 1) + "')";
DBconn.upData(sqlInsert);
MessageBox.Show("报修成功!");
ClearAll();
}
}
catch (Exception ex)
{
MessageBox.Show("报修出错：" + ex.Message);
TextContent.Focus();
}
finally
{
// 最后关闭数据库
DBconn.conn.Close();
}
}