DataGrid material-ui disable backspace and delete key in column - datagrid

Please someone know how disable backspace and delete key in column when use DataGrid with material-ui ?

<Dialog onKeyDown={(e) => e.stopPropagation()}>

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How do you hide the selectAll check box from clarity dataGrid?

How do you hide the selectAll check box from clarity dataGrid? Is it possible to use CSS to do that?
You can create a directives to disable select-all checkbox in datagrid.
Refer: https://stackblitz.com/edit/clarity-datagrid-demo-h6kmh9

How to mark a row in a datatable on button click?

I have a datatable with the first column containing a delete button for each row. When I click on that button, the "deleted" row is only marked for deletion (in a bean) until changes are saved (by clicking on "save" button). Meanwhile I would like to etc. change row color or remove the delete button in "deleted" row(s)... something to remind me that the row has already been marked for deletion. Any idea how to accomplish this?
Found a solution, simpler than I thought.
I made css file
.red{
background-color:rgb(250,165,200);
}
and added
rowStyleClass="#{item.rowState eq 'DELETED' ? 'red' : null}"
attribute in dataTable.
Works perfectly!

How to disable row header in devexpress xtragrid

Hai all,
I want to know how to disable row header in Devexpress xtragrid (grid control ) . In normal we are disabling the property of DataGrid by row header visbile into false.But how to disable in Devexpress.
Please Help
EDIT
At last i found the answer !!!
set the GridView.OptionsView.ShowIndicator property to False.
I am not sure that this is what you want to achieve, but to hide a column, you should set its Visible property to false. I.e.
GridView1.Columns["SomeFieldName"].Visible = false;
If this does not help, please explain the needed functionality in greater details and I will update my answer....

Editing an asp.net DropdownList

I have a dropdown list of 5 elements. My problem is that I want to make this dropdown list editable. Basically a user might want to delete one of these elements or might want to add more elements. Whats a good approach of doing that in asp.net ?
Use a ComboBox.
You have to put textbox for typing text and button for user to insert into the list and button for delete
Do you know the code to adding and deleting list in the dropdown list right ?
Use a ListBox - that way they can make a multi-selection of their choice:
http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.listbox.aspx
The DropDownList is not intended for multi-selection. Another option would be to use CheckBoxes.
If you use DataBase, u can make dropdownlist MORE editable with elements like "formView", "gridView" and so on..

is it possible can default sort in datagrid with itemRender label?

We know already Datagrid default sorting, when we click on header of dategrid then automatically sorting records well. But how can we sort within inline itemreander linkfield label in datagrid. In project default sorting properly work in datagrid but linked field column only not sorting?
Is it any way to sort functionality? if u know please refer it.
You need to implement a sortCompareFunction for the column using the inline item renderer.
Check the FLEX API Reference

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