A method for casting and trying to convert C #

Convert an object type of string[] type to a string[] type:

1  Public stringObjecttostring (Objectob)2 {3     stringstr =string. Empty;4     if(ob is string[])5     {6         string[] Strlist = (string[]) ob;
7     }8  9     returnstr;Ten}

Use is to determine if OB is string[] type.

To convert a string type to a DateTime type:

1  PublicDateTime Stringtodatetime (stringstr)2 {3datetime datetime =NewDateTime ();4     if(Datetime.tryparse (str, outdateTime))5     {6         returnDateTime;7     }8     returnDateTime;9}

Attention:

Use Datetime.tryparse (); When the conversion is judged, if true, the cast result is passed into DateTime, and if False is returned, it cannot be cast.

You can also use Convert.todatetime (); Cast, but it is not possible to determine whether a cast can be made, and an exception is reported when the conversion cannot be cast.

A method for casting and trying to convert C #