TheSystem.Int32parameter contains the resulting numerical value if the conversion is successful or a zero in case of failure. Let’s take the same example we did forParse(String)and convert it to itsTryParse()counterpart: Assert.IsTrue(int.TryParse("45689",outintresult)); ...
TryParse(String, IFormatProvider, Double) 尝试将字符串分析为值。 TryParse(ReadOnlySpan<Char>, Double) 将指定样式和区域性特定格式的数字的跨度表示形式转换为其等效的双精度浮点数。 返回值指示转换是成功还是失败。 TryParse(String, Double) 将数字的字符串表示形式转换为等效的双精度浮点数。 返回值指示...
Microsoft.CSharp.RuntimeBinder Namespace Microsoft.Internal Namespace Microsoft.Internal.Pivot.Controls Namespace Microsoft.Internal.Pivot.Interactivity Namespace Microsoft.Internal.Pivot.Utilities Namespace Microsoft.Internal.Pivot.Views Namespace Microsoft.Phone.Data.Linq Namespace ...
{0}'.",value);// Parse value in exponential notation.value="-1.643e6";if(Decimal.TryParse(value,outnumber)) Console.WriteLine(number);elseConsole.WriteLine("Unable to parse '{0}'.",value);// Parse a negative integer value.value="-1689346178821";if(Decimal.TryParse(value,outnumber)) ...
示例1: // C# program to demonstrate// Boolean.TryParse(String, Boolean)// MethodusingSystem;classGFG{// Main MethodpublicstaticvoidMain(){// passing different values// to the method to checkcheckParse("true"); checkParse("false");
Code example hows how to convert string into int in C#. Also use and difference between Int.Parse, Convert.ToInt32, and int.TryParse in C# and .NET.
If you see a message saying "Couldn't find a project to run", ensure that the Terminal command prompt displays the expected TestProject folder location. For example:C:\Users\someuser\Desktop\csharpprojects\TestProject> You should see the following output: ...
你可能希望在解析来自不同文化(语言)的 DateTime 时使用它,以下示例解析荷兰语日期。 DateTime dateResult; var dutchDateString = "31 oktober 1999 04:20"; var dutchCulture = CultureInfo.CreateSpecificCulture("nl-NL"); DateTime.TryParse(dutchDateString, dutchCulture, styles, out dateResult); // ...
尝试将string值分析为 ReportColor。 C# 复制 public static bool TryParse (string value, bool allowTransparency, out Microsoft.ReportingServices.OnDemandReportRendering.ReportColor reportColor); 参数 value String 字符串值。 allowTransparency Boolean 是否允许透明。 reportColor ReportColor [out] 报表颜色...
SByte.TryParse(String, SByte) tries to convert string to its SByte : sbyte « Data Types « C# / C Sharp SByte.TryParse(String, SByte) tries to convert string to its SByte using System; using System.Globalization;publicclassExample {publicstaticvoidMain() { string[] numericStrings =...