7 references to HasValue
System.Data.Common (7)
System\Data\DataColumn.cs (2)
1645Debug.Assert(key.HasValue, "Invalid child key (null)"); 1657Debug.Assert(key.HasValue, "Invalid parent key (null)");
System\Data\DataTable.cs (2)
2141if (key.HasValue) 3373Debug.Assert(key.HasValue);
System\Data\Merger.cs (2)
204if (key.HasValue) 274if (key.HasValue)
System\Data\UniqueConstraint.cs (1)
433if (_key.HasValue)