The first method should use this method: https://msdn.microsoft.com/en-us/library/vstudio/bb549393(v=vs.100).aspx Something like: return students.GroupBy(student => student.Level, (level, students) => new Tuple(level, students.Count())); Sorry I’m unable to test this, but basically like your version I’m using a lambda to say Group all students by level. The second lambda tells the method what to do with those groups. In … Read more
your SQL to LINQ look like this:- try this from po1 in PO join pu in POUnit on po1.POID equals pou.POID join s in Scope on pou.ScopeCodeID equals s.ScopeID join t in Timesheet on s.ScopeID equals t.ScopeID join pr in Projects on s.ProjectID equals pr.ProjectID where s.ProjectID = 1 group by s.ScopeID Select new { … Read more
Windows uses the process priority together with the thread priority to calculate the overall priority. Once you know that, you can google for process priorities and perhaps you find Scheduling Priorities on MSDN. I would highly appreciate if you could read the book Windows Internals 6th edition, part 1, which describes it in detail on … Read more
A delegate is basically a method pointer. It has a reference to the method, and its object (unless it’s a static method, of course). You use a delegate whenever you need to call a method but the code calling it doesn’t know which method it is. The most common reason is that the code calling … Read more
What you’re looking for is await <TYPE>Context.BeginDialogAsync(nameof(<YOURDIALOGNAME>), <OPTIONAL_PARAMETERS>, cancellation token The <TYPE> above means you could be using waterfalls, in which case it would be stepContext or a simple dialog, which would be dialogContext. so for your bot above, you’d create the PurchaseOrderDialog.cs and SKUNumberDialog.cs, then utilize them as follows: if (entry) { JToken commandToken … Read more
It’s difficult to get a precise answer without using specific performance monitoring tools, and it does vary moment to moment. I’d suggest using Perfmon while running your application as a starting point for your analysis. If you’re using certain versions of Visual Studio, you can also try Analyze | Performance Profiler. If you want a … Read more
An example of how you could do this is: using System; using System.Collections.Generic; public class Program { public static void Main() { bool read = true; List<int> list = new List<int>(); do{ string input = Console.ReadLine(); int x = 0; if(input == “start”) { read = false; } else if(int.TryParse(input, out x)) { list.Add(x); } … Read more
I checked the code and it seems fine. I suggest you to check the csv file and make sure there are no headers for any columns. solved Input string was not in a correct format in c#, int value is not in correct format
Use Math.Ceiling() Convert.ToInt32(Math.Ceiling(26.0 / 12.0)); It rounds off the number to the next number. 1 solved How i can calculate Decimals to real integer?
You are using the wrong timer. The System.Windows.Forms.Timer is made to run on the UI thread. This Windows timer is designed for a single-threaded environment where UI threads are used to perform processing. Your rectangle is not drawn because the Tick event is never fired! Solution: Use instead a timer that is made to run … Read more
Try using File.AppendText to append to the file: using (StreamWriter SaveFile = File.AppendText(sPath)) { SaveFile.WriteLine(“hello”); } solved save items of list box into text file
Not so much info about what you are using, but sometimes, the badformatexception is caused because your project configuration is not compatible with the dll it’s complaining about, change it to x86 or to x64. solved Using phyton.exe in .net c# controller:
Define a Property for child form // In Parent Form addTriple a1 = new addTriple(); a1.G = graphicdata //assign graphic data here a1.BringToFront(); a1.ShowDialog(); g.SaveToFile(this.s1); // In Child Form public Graph G { get { return gr; } set { gr = value; } } now you can have access to this anywere and assign … Read more
public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { label1.Text = Card_Deck.ReceiveCards(); } private void button2_Click(object sender, EventArgs e) { label2.Text = Card_Deck.ReceiveCards(); } private void button3_Click(object sender, EventArgs e) { label3.Text = Card_Deck.ReceiveCards(); } private void button4_Click(object sender, EventArgs e) { label4.Text = Card_Deck.ReceiveCards(); … Read more
I solved my problem guys.. here is my sample code.. it works wel.. dynamic stuff = JsonConvert.DeserializeObject(res); int id=stuff.id; 4 solved how to split single data from string..? [closed]