ToBoolean(String) 將指定之邏輯值的字串表示,轉換為相等的布林值。 ToBoolean(Single) 將指定之單精確度浮點數的值,轉換為相等的布林值。 ToBoolean(Object) 將指定之物件的值轉換為相等的布林值。 ToBoolean(DateTime) 呼叫這個方法一律會擲回 InvalidCastException
JS convertion from string to boolean http://stackoverflow.com/questions/263965/how-can-i-convert-a-string-to-boolean-in-javascript The first answer from the answer list: You should probably be cautious about using these two methods for your specific needs: var myBool =Boolean("false");// ...
Convert string to boolean. Library recognizes "yes", "true", "y", "t", "1" as True, and "no", "false", "n", "f", "0" as False. Case insensitive. Installation $ pip install str2bool Examples Here's a basic example:
可以使用String类。如果需要频繁修改字符串或在多线程环境下进行字符串操作，可以选择StringBuilder或String...
Cannot implicitly convert type 'string' to 'bool' the id attribute on the items table is of varchar(50) type. and the text box too is of string type. so why does it says conversion between boolean and string problem? thank you all. ...
Converts the specified String representation of a logical value to its Boolean equivalent. Namespace: System Assembly: mscorlib (in mscorlib.dll) Syntax VB 复制 'Declaration Public Shared Function ToBoolean ( _ value As String _ ) As Boolean Parameters value Type: System.String A S...
XmlConvert.ToBoolean(String) Method Reference Definition Namespace: System.Xml Assemblies: netstandard.dll, System.Xml.ReaderWriter.dll Source: XmlConvert.cs Converts theStringto aBooleanequivalent. C# publicstaticboolToBoolean(strings); Parameters ...
bool.FalseString = "False"; 难怪抛出了错误. 看看System.Convert.ToBoolean(Int16)方法,代码如下: public static bool ToBoolean(short value) { return (value != 0); } 因此可以改写为: Convert.ToBoolean(Convert.ToInt16("1")) 由此看来System.Convert.ToBoolean(String)方法设计得还不是很厚道,大家...
ToBoolean(String) 將指定之邏輯值的字串表示,轉換為相等的布林值。 ToBoolean(Single) 將指定之單精確度浮點數的值,轉換為相等的布林值。 ToBoolean(Object) 將指定之物件的值轉換為相等的布林值。 ToBoolean(Int32) 將指定的 32 位元帶正負號整數的值,轉換為相等的布林值。 ToBoolean(Int16) 將指定的...
Converts the value of the specified 32-bit unsigned integer to an equivalent Boolean value. ToBoolean(UInt16) Converts the value of the specified 16-bit unsigned integer to an equivalent Boolean value. ToBoolean(String) Converts the specified string representation of a logical value to its ...