7 references to HasValue
System.Data.Common (7)
System\Data\DataColumn.cs (2)
1652Debug.Assert(key.HasValue, "Invalid child key (null)"); 1664Debug.Assert(key.HasValue, "Invalid parent key (null)");
System\Data\DataTable.cs (2)
2136if (key.HasValue) 3368Debug.Assert(key.HasValue);
System\Data\Merger.cs (2)
207if (key.HasValue) 277if (key.HasValue)
System\Data\UniqueConstraint.cs (1)
433if (_key.HasValue)