[英]C# DataGridView - Table is not populating
我正在嘗試顯示從program.cs中的文本文件提取到DataGridView
,但是運行代碼時該表仍然為空。
我遇到的另一個問題是,當窗體打開時,它將停止運行代碼。
基本上,代碼的作用是從sftp服務器下載.zip文件,解壓縮文本文件,通讀該文件,將每一行添加到一個數組中,並將某一行拆分成一個數組。 我試圖從該數組中獲取變量,以在表單中顯示在DataGridView
上。
這是我的代碼:
class Machine
{
public string MacNum { get; set; }
public string CashCount { get; set; }
public string VendCount { get; set; }
}
static class Program
{
[STAThread]
static void Main()
{
string zipTemp = (@"C:\Users\mark\Desktop\Project Dex\zipTemp\");
string machineCashCount = ("");
string hostIP = ("0.0.0.0");
string userName = ("UN");
string passWord = ("PW");
string remotePath = (@"/home/dex/RESPONSE/PROCESSED");
string localPath = (@"C:\Users\mark\Desktop\Project Dex\Temp\PROCESSED\");
Application.Run(new Form1());
DataGridView dataGridView = new DataGridView();
IList<Machine> machines = new BindingList<Machine>();
dataGridView.DataSource = machines;
SessionOptions sessionOptions = new SessionOptions
{
Protocol = Protocol.Sftp,
HostName = hostIP,
UserName = userName,
Password = passWord,
PortNumber = 22,
SshHostKeyFingerprint = "ssh-rsa 2048 96:48:96:52:8c:e7:de:c6:e1:00:08:7e:db:ad:e4:06"
};
using (Session session = new Session())
{
session.Open(sessionOptions);
TransferOptions transferOptions = new TransferOptions();
transferOptions.TransferMode = TransferMode.Binary;
session.GetFiles(remotePath, @"C:\Users\mark\Desktop\Project Dex\Temp\").Check();
}
DirectoryInfo directorySelected = new DirectoryInfo(@"C:\Users\mark\Desktop\Project Dex\Temp\PROCESSED\");
List<string> fileNames = new List<string>();
foreach (FileInfo fileInfo in directorySelected.GetFiles("*.zip"))
{
fileNames.Add(fileInfo.Name);
}
foreach (string fileName in fileNames)
{
string zipFilePath = localPath + fileName;
using (ZipFile zip1 = ZipFile.Read(zipFilePath))
{
var selection = (from e in zip1.Entries
where (e.FileName).StartsWith("01e")
select e);
Directory.CreateDirectory(zipTemp);
foreach (var e in selection)
{
e.Extract(zipTemp, ExtractExistingFileAction.OverwriteSilently);
}
}
DirectoryInfo dexDirect = new DirectoryInfo(@"C:\Users\mark\Desktop\Project Dex\zipTemp\");
List<string> dexName = new List<string>();
foreach (FileInfo dexInfo in dexDirect.GetFiles("*.dex"))
{
dexName.Add(dexInfo.Name);
}
foreach (string dexNames in dexName)
{
string dexFilePath = zipTemp + dexNames;
string[] lines = System.IO.File.ReadAllLines(dexFilePath);
foreach (string line in lines)
{
machineCashCount = Array.Find(lines,
element => element.StartsWith("VA1", StringComparison.Ordinal));
}
string[] MCC1 = machineCashCount.Split('*');
string[] nm = dexNames.Split('.');
int nam = int.Parse(nm[0], System.Globalization.NumberStyles.HexNumber);
// Console.WriteLine((nam + (":") + "Total cash count: ") + MCC1[1]);
// Console.WriteLine((nam + (":") + "Number of paid vends: ") + MCC1[2]);
Machine m = new Machine();
m.MacNum = nm[0];
m.CashCount = MCC1[1];
m.VendCount = MCC1[2];
machines.Add(m);
}
}
Application.Run(new Form1());
}
}
Form1中:
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public void Form1_Load(object sender, EventArgs e)
{
}
private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
}
}
程序的基本操作是運行Form,下載zip文件,處理zip文件,僅此而已。
您將需要在表單的form_load事件或按鈕單擊事件而不是Main()中完成所有這些操作。
更新:由於您有一個按鈕和一個Button_Click事件,因此將processFile()放入按鈕的click事件中。 顯示表單時,單擊按鈕以使整個過程運行
1.Delete
Application.Run(new Form1());
DataGridView dataGridView = new DataGridView();
和
dataGridView.DataSource = machines;
2.最后換
Application.Run(new Form1());
至
Application.Run(new Form1(machines));
3,將構造函數添加到Form1中:
public Form1(IList<Machine> machines)
{
InitializeComponent();
dataGridView1.DataSource = machines;
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.