private void DataView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (DataView.SelectedItem == null)
{
return;
}
TrainStationClass itemInfo = DataView.SelectedItem as TrainStationClass;
if (itemInfo == null || !(itemInfo is TrainStationClass))
{
MessageBox.Show("获取选中项出现问题");
return;
}
Text_arrivetime_Copy.Text = itemInfo.arrivetime;
Text_leavetime_Copy.Text = itemInfo.leavetime;
Text_remainseat_Copy.Text = itemInfo.remainseat.ToString();
}
private void Button_modify_Click(object sender, RoutedEventArgs e)
{
if (DataView.SelectedItem == null)
{
return;
}
TrainStationClass itemInfo = DataView.SelectedItem as TrainStationClass;
if (itemInfo == null || !(itemInfo is TrainStationClass))
{
MessageBox.Show("获取选中项出现问题");
return;
}
TcpClient tcpClient = null;
NetworkStream networkStream = null;
try
{
tcpClient = new TcpClient();
tcpClient.Connect(ip_address, port); //建立与服务器的连接
networkStream = tcpClient.GetStream();
if (networkStream.CanWrite)
{
int remainseat = 0;
if (!getStandard(out remainseat, Text_remainseat_Copy.Text))
{
MessageBox.Show("查询信息填写错误");
return;
}
var package = new TTS_Core.TrainStationOperationPackage(user, ip_address + ":" + listen_port.ToString(), "server",
TTS_Core.Enum_OP.K_MODIFY,
itemInfo.trainid, itemInfo.stationid, Text_arrivetime_Copy.Text, Text_leavetime_Copy.Text, remainseat);
byte[] sendBytes = package.DataPackageToBytes(); //注册数据包转化为字节数组
networkStream.Write(sendBytes, 0, sendBytes.Length);
var newClient = tcp_listener.AcceptTcpClient();
var bytes = ReadFromTcpClient(newClient); //获取数据
var package_rec = new TTS_Core.DataSetPackage(bytes);
if (package_rec.forbid != 0 && package_rec.forbid != 1)
{
MessageBox.Show("出大问题");
}
if (package_rec.forbid == 1)
{
MessageBox.Show("修改失败，请检查完整性约束或者是服务器故障");
}
else
{
itemInfo.arrivetime = Text_arrivetime_Copy.Text;
itemInfo.leavetime = Text_leavetime_Copy.Text;
itemInfo.remainseat = remainseat;
DataView.Items.Insert(DataView.SelectedIndex, itemInfo);
DataView.Items.Remove(DataView.SelectedItem);
DataView.Items.Refresh();
}
}
}
catch
{
MessageBox.Show("无法连接到服务器!");
return;
}
finally
{
if (networkStream != null)
{
networkStream.Close();
}
tcpClient.Close();
}
}
private void Button_delete_Click(object sender, RoutedEventArgs e)
{
if (DataView.SelectedItem == null)
{
return;
}
int selected_trainid;
int selected_stationid;
TrainStationClass itemInfo = DataView.SelectedItem as TrainStationClass;
if (itemInfo != null && itemInfo is TrainStationClass)
{
selected_trainid = itemInfo.trainid;
selected_stationid = itemInfo.stationid;
}
else
{
MessageBox.Show("获取选中项出现问题");
return;
}
TcpClient tcpClient = null;
NetworkStream networkStream = null;
try
{
tcpClient = new TcpClient();
tcpClient.Connect(ip_address, port); //建立与服务器的连接
networkStream = tcpClient.GetStream();
if (networkStream.CanWrite)
{
var package = new TTS_Core.TrainStationOperationPackage(user, ip_address + ":" + listen_port.ToString(), "server",
TTS_Core.Enum_OP.K_DELETE,
selected_trainid, selected_stationid, "", "", 0);
byte[] sendBytes = package.DataPackageToBytes();
networkStream.Write(sendBytes, 0, sendBytes.Length);
var newClient = tcp_listener.AcceptTcpClient();
var bytes = ReadFromTcpClient(newClient); //获取数据
var package_rec = new TTS_Core.DataSetPackage(bytes);
if (package_rec.forbid != 0 && package_rec.forbid != 1)
{
MessageBox.Show("出大问题");
}
if (package_rec.forbid == 1)
{
MessageBox.Show("删除失败，请检查完整性约束或者是服务器故障");
}
else
{
DataView.Items.Remove(DataView.SelectedItem);
DataView.Items.Refresh();
}
}
}
catch
{
MessageBox.Show("无法连接到服务器!");
return;
}
finally
{
if (networkStream != null)
{
networkStream.Close();
}
tcpClient.Close();
}
}