Tag dbnull - Dies ist Seite 10 - GeneraCodice

Most efficient way of dealing with DBNull in .NET [duplicate]

https://www.generacodice.com/de/articolo/3022000/most-efficient-way-of-dealing-with-dbnull-in-net-duplicate

  .net  -  sql  -  dbnull

StackOverflow

System.IndexOutOfRangeException on SQLDataReader Value Using C#

https://www.generacodice.com/de/articolo/2998610/system-indexoutofrangeexception-on-sqldatareader-value-using-c-sharp

  c#  -  asp.net  -  dbnull  -  sqldatareader

StackOverflow

String.IsNullOrWhiteSpace in vb.net throw error if value is dbnull.value

https://www.generacodice.com/de/articolo/2907000/string-isnullorwhitespace-in-vb-net-throw-error-if-value-is-dbnull-value

  exception  -  dbnull  -  vb.net-2010

StackOverflow

How to determine if a parameter value was passed to a stored procedure

https://www.generacodice.com/de/articolo/2699219/how-to-determine-if-a-parameter-value-was-passed-to-a-stored-procedure

  sql-server-2008  -  stored-procedures  -  dbnull

StackOverflow

Linq to DataTable - Cannot cast DBNull

https://www.generacodice.com/de/articolo/2691466/linq-to-datatable-cannot-cast-dbnull

  c#  -  linq  -  casting  -  dbnull

StackOverflow

What should I use to compare DBNull ? Using DBNull.Value or ToString().IsNullOrEmpty()

https://www.generacodice.com/de/articolo/2622384/what-should-i-use-to-compare-dbnull-using-dbnull-value-or-tostring-isnullorempty

  .net  -  dataset  -  null  -  dbnull

StackOverflow

VB.NET 2010 and MySql - handling DB NULLs for lazy people

https://www.generacodice.com/de/articolo/2527160/vb-net-2010-and-mysql-handling-db-nulls-for-lazy-people

  mysql  -  dbnull  -  sqldatareader  -  vb.net-2010

StackOverflow

Warum kann ich nicht "" verwenden? " Operand für System.dbnull Wert?

https://www.generacodice.com/de/articolo/2323358/warum-kann-ich-nicht-verwenden-operand-fuer-system-dbnull-wert

  c#  -  oracle  -  dbnull

StackOverflow

DBNull in einer nicht leeren Zelle beim Lesen einer Excel-Datei über OleDB

https://www.generacodice.com/de/articolo/2317045/dbnull-in-einer-nicht-leeren-zelle-beim-lesen-einer-excel-datei-ueber-oledb

  c#  -  oledb  -  excel  -  dbnull

StackOverflow

convert.isBDnull(“foo”) strange behavior

https://www.generacodice.com/de/articolo/2276072/convert-isbdnull-foo-strange-behavior

  c#  -  dbnull

StackOverflow

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