Unable to cast object of type 'System.DBNull' to type 'System.String'
158391
Most efficient way to check for DBNull and then assign to a variable?
92735
C# -- Need an IDictionary implementation that will allow a null key
150276
Is there a Python equivalent of the C# null-coalescing operator?
20423
Serialize a nullable int
114718
Is there a DBMS that allows the "= NULL" syntax?
34172
How to parse a string into a nullable int
25960
How to easily convert a DbDataReader object into something useful?
156078
handling dbnull data in vb.net
83835
method="post" enctype="text/plain" are not compatible?
134040
Serializing a Nullable in to XML
28203
System.QueryException: List has no rows for assignment to SObject
35129
Why does String.valueOf(null) throw a NullPointerException?
38664
Keep getting this error: System.QueryException: List has no rows for assignment to SObject
28348
How do I handle null or optional DLL struct parameters
86344
Compare nullable types in Linq to Sql
38214
Cannot implicitly convert type 'System.Collections.Generic.IEnumerable' to 'System.Collections.Generic.List
109876
In the msdn guidance on Equals override, why the cast to object in the null check?