I am still having some issues here. I want to replicate this functionality below.
1. User can type into a cell and it get autocomplete behavior (again regular dropdown combo type with choicelist has this issue with pause before i move the focus onto the cell so i need to support large)
2. If i can't find it in the dropdown then i want a button in the right of the cell or someway to bring up a multicolumn chooser. this column chooser would allow me to filter any column and it would autofilter that column.
I have attached a screenshot that is from an MFC app that i am trying to mimic. I have also posted this request in my Direct Trac, i kind of need both these behaviors together. I want an autocomplete textbox or dropdown that supports large amounts of data (in my case large string arrays around 40,000) but i also want the feature where i get a button to bring up a form.
Please let me know if you have any further questions or if you can show me some example code to help.
Issue 1: Shows the form from grid cell click.
Please refer to the browser sample \In depth\DropDownFormAndUserControlSample shows how you can popup a Form from a grid cell.
The DropDownFormAndUserControl browser sample sample illustrates how to create a custom cell control that places a DropDown Form/UserControl in a cell. The sample actually does it in two ways. It shows you how to display a modal Form using the Form.ShowDialog on a button click within the cell by deriving the GridStaticCellModel / GridStaticCellRenderer. The second way is to derive from the GridDropDownCellModel/ GridDropDownCellRender to drop a UserControl in a manner that handles the focus issues that are involved with pop-ups.The CellControl in both cases displays a CheckedListBox in the dropdown. The CellValue lists the selected options as a comma delimited string. See the Derived Cell Control section in the Grid User’s Guide for more information on custom cell controls.
Issue 2: Loading Large dropdown datasource
you can use the GridListControl celltype to load the large dropdown datasource. Please refer to the attached sample which implements GridListControl cell with large datasource.
Sample : http://www.syncfusion.com/Support/user/uploads/Modified_incidentDrop_9ca3ace0.zip
If this does not explain this issue, can you send us a sample for showing this issue. We will try to debug the issue here.