tryparse
Using TryParse with a double shows an overload error?
i was writing a program and using double.Try Parse to check if a string is numeric. class Game{ // declares the class[详细]
2023-03-20 06:07 分类:问答Update button causing lost data!
The following code at seemingly random times prompts the message for tryparse and then updates my data with either empty or null values.This can occur with data input into the totaltaxtextbox and tota[详细]
2023-03-05 22:08 分类:问答Failed to use SUBSTRING in TryParse
I found an error in my code, where the subtring is not work, it says \"startIndex cannot be larger than the length of string\"[详细]
2023-02-27 05:25 分类:问答Cascading parse
I may have the following types: Number with decimal开发者_如何学C : 100.90 Number (int32) : 32 String : \"\"[详细]
2023-01-24 12:10 分类:问答Does Int32.TryParse(String, Int32) alter the int argument on failure?
Out of interest, is it safe to assume that if Int32.TryParse(String, Int32) fails, then the int argument will remain unchanged? For example, if I want my integer to have a default value, which would b[详细]
2023-01-23 10:00 分类:问答Objective C try parse boolean
I would like to know how, in Objective-C, how to tell if a string represents a boolean value. The [string boolValue] method will not work, because when I try to parse a string like [@\"ERROR\" boolVal[详细]
2023-01-16 00:05 分类:问答Enum.TryParse not supporting in vs2008 in c#
Enum.TryParse(,,out) not supporting in vs2008 in c#? why? I开发者_JS百科 am trying to use but getting error that TryParse no defined.Enum.TryParse was introduced in .NET 4. However, you might like to[详细]
2023-01-12 10:10 分类:问答Using TryGetValue() in LINQ?
This code works, but is inefficient because it double-lookups the ignored dictionary. How can I use the di开发者_如何学运维ctionary TryGetValue() method in the LINQ statement to make it more efficient[详细]
2023-01-07 17:20 分类:问答Regex for matching multiple date formats
What should be the regex for matching date of any format like: 26FEB2009 31DEC2009 27 Mar 2008 30 Jul 2009[详细]
2022-12-30 03:02 分类:问答UInt32.TryParse() hex-number not working
For some reason the following C# Console program always outputs: 32 False wtf=0 What am I doing wrong? using System.Collections.Generic;[详细]
2022-12-29 22:59 分类:问答