2004-03-10 Umadevi S (sumadevi@novell.com)

[mono.git] / mcs / class / System.Data / System.Data / DataTableCollection.cs

diff --git a/mcs/class/System.Data/System.Data/DataTableCollection.cs b/mcs/class/System.Data/System.Data/DataTableCollection.cs
index b4ff6191ee568d8610e764acad04e7c18305a388..f4fbf6a0901df0efcfa10ce7448bcb9adac75664 100644 (file)
--- a/mcs/class/System.Data/System.Data/DataTableCollection.cs
+++ b/mcs/class/System.Data/System.Data/DataTableCollection.cs
@@ -88,9 +88,16 @@ namespace System.Data {
                                NameTable (table);
                    
                        // check if the collection has a table with the same name.
-                       if(Contains(table.TableName))
-                               throw new DuplicateNameException("A DataTable named '" + table.TableName + "' already belongs to this DataSet.");
-                               
+                       int tmp = IndexOf(table.TableName);
+                       // if we found a table with same name we have to check
+                       // that it is the same case.
+                       // indexof can return a table with different case letters.
+                       if (tmp != -1)
+                       {
+                               if(table.TableName == this[tmp].TableName)
+                                       throw new DuplicateNameException("A DataTable named '" + table.TableName + "' already belongs to this DataSet.");
+                       }
+       
                        list.Add (table);
                        table.dataSet = dataSet;
                        OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Add, table));