c# – Page 4 – Tarik Billa

How can I convert a string length to a pixel unit?

April 12, 2024 by Tarik

Without using of a control or form: using (System.Drawing.Graphics graphics = System.Drawing.Graphics.FromImage(new Bitmap(1, 1))) { SizeF size = graphics.MeasureString(“Hello there”, new Font(“Segoe UI”, 11, FontStyle.Regular, GraphicsUnit.Point)); } Or in VB.Net: Using graphics As System.Drawing.Graphics = System.Drawing.Graphics.FromImage(New Bitmap(1, 1)) Dim size As SizeF = graphics.MeasureString(“Hello there”, New Font(“Segoe UI”, 11, FontStyle.Regular, GraphicsUnit.Point)) End Using

Classes in razor engine template

April 12, 2024 by Tarik

Yes, this is completely possible. Use the @functions keyword: @functions { public class MyClass { public MyClass() { Three = new List<string>(); } public string One { get; set; } public int Two { get; set; } public List<string> Three { get; set; } } }

Ever done a total rewrite of a large C++ application in C#? [closed]

April 12, 2024 by Tarik

Have you thought about instead of re writing from scratch you should start to separate out the GUI and back end layer if it is not already, then you can start to write pieces of it in C#. the 250,000 lines were not written overnight they contains hundreds of thousands of man years of effort, … Read more

LINQ to SQL and Null strings, how do I use Contains?

April 12, 2024 by Tarik

I’d use the null-coalescing operator… (from a in this._addresses where (a.Street ?? “”).Contains(street) || (a.StreetAdditional ?? “”).Contains(streetAdditional) select a).ToList<Address>()

Why doesn’t ToUpper() return “*” when applied to “8”?

April 11, 2024 by Tarik

No, it shouldn’t. ToUpper() doesn’t mean WithShiftKeyOnAnInternationalASCIIKeyboard(). There isn’t an uppercase 8, as 8 is a number, not a letter. Of course, this is a gross over-simplification (being a number alone doesn’t automatically make a certain character in a character set caseless), but it’s likely what you’re asking for anyway so I’ll leave it at … Read more

Keep only numeric value from a string?

April 11, 2024 by Tarik

You do any of the following: Use regular expressions. You can use a regular expression with either A negative character class that defines the characters that are what you don’t want (those characters other than decimal digits): private static readonly Regex rxNonDigits = new Regex( @”[^\d]+”); In which case, you can do take either of … Read more

C# 30 Days From Todays Date

April 11, 2024 by Tarik

string dateInString = “01.10.2009”; DateTime startDate = DateTime.Parse(dateInString); DateTime expiryDate = startDate.AddDays(30); if (DateTime.Now > expiryDate) { //… trial expired }

Best way to get all digits from a string [duplicate]

April 11, 2024 by Tarik

Do you need to use a Regex? return new String(input.Where(Char.IsDigit).ToArray());

A suitable constructor for type ‘RestDataService’ could not be located

April 11, 2024 by Tarik

I received the error “A suitable constructor for type ‘<type>’ could not be located.” after accidentally generating a protected constructor instead of public constructor. Marking it back to public fixed it.

What does the “private” modifier do?

April 11, 2024 by Tarik

There’s a certain amount of misinformation here: “The default access modifier is not private but internal” Well, that depends on what you’re talking about. For members of a type, it’s private. For top-level types themselves, it’s internal. “Private is only the default for methods on a type” No, it’s the default for all members of … Read more