Empty String if Null: System.NullReferenceException
Fehlermeldung:
System.NullReferenceException: 'Object reference not
set to an instance of an object.'
In C#
//< correct > string sText255 = datarow.TextContent; if (sText255.Length > 255) { sText255 = sText255.Substring(0, 255); } //</ correct > |
Solution:
Empty String if null
In C# |
React: Warning: Each child in a list should have a unique "key" prop.