To the left mouse button press slide from the first line to line 19 to activate the scroll bar can continue to load the following data,

CodePudding user response:

Waterfall streaming data loading method,
TopRowIndex current shows the record of the first line in the control index,
The GridView. GetViewInfo (). RowsInfo. Count the number of records in the currently displayed in the control (visual);

The GridView TopRowChanged events, when recording rolling, the record of the first row index change control events,
+ according to the first line in the matter, determine the number of rows, is equal to the total number of records, is that the display to record the end, loading data...