GridAttachmentColumn malforms the String filepath, from "C\SomePath\SomeFile.PDF" to something like "C:" & vbBack &"SomePathSomeFile.PDF"

Steps to reproduce the error:

DataSource Bound to grid:


GridAttachmentColumn markup as well as the ObjectDataSource that returns a byte array when user clicks on download attachment:


MyApp.MySelectMethod that is supposed access the file by "filePath" and read it to byte, but the filePath is malformed, hence throws an exception.

Steps to reproduce the error.

Create a ClientDeleteColumn with CommandName="Delete" and wire up the onCommand client-event to RadGrid.


The event handler does not need to do anything.

ExcelML currently does not support multiple column headers (aka ColumnGroups). This was first requested in the forms back in 2012 and no feature request was created for ExcelML. It is important that ExcelML support ColumnGroups as Excel does support this functionality.

Keyboard navigation does not work in Firefox 65.0.1

While attempting to implement Keyboard Navigation for one of our RadGrid controls, we discovered that this navigation (Arrow Up/Down and Page Up/Down) did not work correctly in Firefox (though it did within IE, Edge, and Chrome). We also tested the Firefox Keyboard Navigation within the Telerik Grid Demo Site, and experienced the same behavior. 

Issue can also be observed with the Grid - Keyboard Support demo using Firefox 65.0.1

Do you know how to resolve this issue, or of any workaround?

Thank you,
Krassimir

RadGrid with Hierarchical structure throws the error when an item is expanding while it's in edit mode and the Table's HierarchyLoadMode is set to Client.

Provide a simple interface to showcase exactly in what order the columns have been sorted in (ex. 1, 2, 3, etc in column header) - matching the functionality in Kendo UI Grid:

http://demos.telerik.com/kendo-ui/grid/sorting

Status bar in Grid does not hide after Exporting a document when OnCommand client event is handled

For Bug Report :

Note: We are using MM/dd/yyyy as Internal Date format to prevent issue while inserting or updating value.

Steps to reproduce:
When we use dd-MM-yyyy and yyyy-dd-MM Date DisplayFformat for RadDatePicker/RadDateTimePicker control as well as view mode in Radgrid Batch Edit mode it's render behaviour is inconsistent
1. When dd is less than or equal to 12 then while rendering in edit mode Month and Date is interchanged
2. When dd is greather than 12 then while rendering in edit mode Month and Date is rendered correctly.

You would get something like

(([createddate] >= '01/08/2017,00:00:00') AND ([createddate] <= '14/08/2017,23:59:59'))

while you should get something like

(([createddate] >= '01/08/2017 00:00:00') AND ([createddate] <= '14/08/2017 23:59:59'))

so that the SQL syntax is valid.

RadGrid, does not send the FilterExpression to the SqlDataSource, however. It executes the SELECT statement and then filters the resulting data on its own. This works fine.

If you will be performing operations yourself, you could use a string operation before passing the filter expression. For example:

protected void RadGrid1_NeedDataSource(object sender, GridNeedDataSourceEventArgs e)
{
	if (!string.IsNullOrEmpty(this.RadGrid1.MasterTableView.FilterExpression))
	{
		if (this.RadGrid1.MasterTableView.FilterExpression.Contains("createddate"))
		{
			this.RadGrid1.MasterTableView.FilterExpression = this.RadGrid1.MasterTableView.FilterExpression.Replace(",", " ");
		}
		DataView dv =GetData("select * from [myTable] where ", this.RadGrid1.MasterTableView.FilterExpression);
                //where you would need to have something like (([createddate] >= '01/08/2017 00:00:00') AND ([createddate] <= '14/08/2017 23:59:59'))
		this.RadGrid1.DataSource = dv;
	}
}

Note that implementing such a change may break existing code that relies on the current syntax that contains the comma.

If the selection mode of the Grid is different than row selection, no cell of the detailed grid gets selected. The bug is introduced with version 2016 R3 SP1

Steps to reproduce:
1. Run the following demo locally  http://demos.telerik.com/aspnet-ajax/grid/examples/hierarchy/declarative-relations/defaultcs.aspx

2. and add this configuration:
       <telerik:RadGrid ...>
            <ClientSettings>
                <Selecting CellSelectionMode="SingleCell" />
            </ClientSettings>

When resizing a column in RTL, expectation is to use the left side of a column to expand/shrink it. Instead I have to use the right side. Grabbing the left side resizes the next column on the left and is very confusing for people who are used to think in RTL

To overcome this issue you can do the following:

- For anchor links (a) implement onclick event with window.location.
- For submit buttons set UseSubmitBehavior property to false.

Th header context menu of the Grid gets closed on click (select/deselect a column) if the Grid is initially scrolled horizontally.

Video: https://www.screencast.com/t/Gm1FLHia


Steps to reproduce:
    1. Open the Live Demos solution for "UI for ASP.NET AJAX R1 2017" in VS2015;
    2. Open the page "UI for ASP.NET AJAX R1 2017\Live Demos\Grid\Examples\Functionality\Scrolling\scrolling\DefaultCS.aspx";
    3. Enable the HeaderContextMenu by setting EnableHeaderContextMenu="True" in the tag telerik:RadGrid;
    4. Disable the column freezing.
    5. Run the Demo and open the page "Grid\Examples\Functionality\Scrolling\scrolling\DefaultCS.aspx";
    6. Scroll the horizontal scrollbar of the grid to the right;
    7. Right click on the column header and pick the Columns from the context menu;
    8. Select or unselect any column, the Column Chooser will close by itself;
    9. Now, scroll the horizontal scrollbar of the grid all the way to the left;
    10. Right click on the column header and pick the Column Chooser from the context menu;
    11. Select or unselect any columns, the Column Chooser won't close by itself.

When the RenderMode of RadGrid is set to Mobile and UniqueName is different from the DataField then trying to Ungroup an item, it throws an exception: Object reference not set to an instance of an object

Workaround for the NextPrevAndNumeric mode is to set the AssociatedControlID of the label

	protected void RadGrid1_ItemDataBound(object sender, GridItemEventArgs e)
	{
		if (e.Item is GridPagerItem)
		{
			GridPagerItem pager = e.Item as GridPagerItem;
			Label lbl = pager.FindControl("ChangePageSizeLabel") as Label;
			Panel pnl = lbl.Parent as Panel;
			RadComboBox combo = pnl.FindControl("PageSizeComboBox") as RadComboBox;
			lbl.AssociatedControlID = combo.ID;
		}
	}

	<telerik:RadGrid RenderMode="Lightweight" ID="RadGrid1" runat="server" DataSourceID="SqlDataSource1" AllowSorting="True"
						AllowPaging="True" GridLines="None" Width="100%" OnItemDataBound="RadGrid1_ItemDataBound">
		<PagerStyle Mode="NextPrevAndNumeric" Position="TopAndBottom" PageSizeControlType="RadComboBox"></PagerStyle>
	</telerik:RadGrid>
			
	<asp:SqlDataSource ID="SqlDataSource1" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
						ProviderName="System.Data.SqlClient" SelectCommand="SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, PostalCode FROM Customers"
						runat="server"></asp:SqlDataSource>

When Grouping in RadGrid while EnableLinqExpressions is set to True and some of the records contain null values will throw the exception: Object cannot be cast to DBNull

We use the Telerik RadGrid for our application and we have found that if we click on the filter button on the RadGrid, it will make the page scroll.

If the Page culture is set to anything other than "en-US", RadDatePicker in the HeaderContextMenu will loose the correct format and swaps the Day with the Month after filtering.

I have NEVER seen a real world UI with a GridDropDownColumn in a Grid where you didn't want to save the ValueField of the GridDropDownColumn (ex. Product ID), but also wanted to display the TextField (ex. Product Name) as well as sort and filter by the TextField.  This functionality should be part of the grid and the default behavior for GridDropDownColumn.

1. Open your demo for Batch Editing: https://demos.telerik.com/aspnet-ajax/grid/examples/data-editing/batch-editing/defaultcs.aspx
2. Add a new row
3. Enter values
4. Click on x to delete

Expected: the row disappears.

Actual result: nothing happens.