Adds a new column with the specified key and string data type. Syntax Parameters columnKey Key of the new column. Return Value Returns the new column.
Adds a new column with the specified key and specified data type. Syntax Parameters columnKey Key of the new column.dataType Columns data type. Return Value Returns the new column. Example Following code shows how to setup an UltraDataSource with some columns and rows. It creates a hiearchical data source with two...
Adds a new column with the specified key and specified data type. Overload List
Overridden. Always returns false since columns collection does not allow having two columns with the same key. Syntax
Returns true if the collection allows items to be added that do not have key values. Syntax
Band object this columns collection is associated with. Returned bands Columns would point to this columns collection. Syntax Example Following code shows various objects in the UltraWinDataSource object model and many of the properties available off those objects and how they are related.
Determines whether to use a hash table to store the keys and objects. Syntax Remarks By use a hash table, performance of methods like ValidateKeyDoesNotExist and GetItem can be significantly improvied.
Removes all the columns from the collection. Syntax Example Following code demonstrates how to define hierarchical data structure in an UltraDataSource. Code in Button1_Click adds two child bands to the root bands and two columns to each of root band and its two child bands. Code in Button2_Click removes columns f...