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Ahmed Dajani Member
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Freeze Column Error
Posted: August 30, 2012 2:16 PM
Thanks Hans. That solved the double line problem.

As for the sample you sent, it's not quite what I have. Can you please try the following:

- Add enough columns so that you will have to scroll to the right to see the rest of them.
- change the doc type to 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- Hide the first two columns in PrepareDataBinding when adding columns to the grid
- Set ActiveFrozenColumns = 2
- Try in both IE and Firefox.

I attached two images illustrating what happens in my case...
Freeze Column Error
Posted: August 28, 2012 12:36 PM
Hans,

Thanks for your answer.

I think the issue was happenign because I was refreshing the grid immediatly after...Now I took out the refresh grid and what happens is attached...

I initially have ActiveFrozenColumns = 2. Then through JS on client side I set it to a different value like this...
grid.LayoutSettings.FreezePaneSettings.ActiveFrozenColumns = columnPos;grid.FreezePane(true);

I do this through a new column context menu item. It calls a function with these two lines of code.

In the image attached, you'll notice there are two lines for the freeze column. Any idea why?

Freeze Column Error
Posted: August 26, 2012 10:39 PM
Another question regarding the same thing...I'm having an issue retreiving the ActiveFrozenColumn Property correctly.

I initialize my grid having ActiveFrozenColumns = 2. Later on, I set it to 4 on the client side as:
grid.LayoutSettings.FreezePaneSettings.ActiveFrozenColumns = columnPos;grid.FreezePane(true);

However,  later on when I refresh the page, and look on the server side at that property it is still 2. Why is that?


Using Keystrokes to navigate WebGrid
Posted: August 10, 2012 2:03 PM
Hans,

Thanks for the reply. This works great in IE but does not work well in Firefox. In Firefox, I have double click inside a cell, exit the edit mode and only then can move around using the arrow keys. Just want to make you aware of the issue.
OnColumnResize Client Side Event, Removing Columns and PostBack
Posted: August 9, 2012 4:11 PM
It's fine I found a work around.

I would like to inform your developers of one thing that has been an issue. Sometimes when I hide a column, then run the following code on client side, the invisible columns are always at the end.

For example, if I create the columns as
col1:visible, col2:visible, col3:invisible, col4:visible, col5:visible
then run my code, I get the following:
col1:visible, col2:visible, col4:visible, col5:visible, col3:invisible

I don't understand why but I hope it is addressed with the next hot fix.

var grid = ISGetObject('myGrid');            var settings = "";
            for (var i = 0; i < grid.RootTable.Columns.length; i++) {
                    if (settings.length != 0 && i < grid.RootTable.Columns.length) {
                        settings += ","
                    }
                    settings += grid.RootTable.Columns[i].Name + ":" + grid.RootTable.Columns[i].Width + "px:" + grid.RootTable.Columns[i].Visible;
            }



Getting Stuck On "Refreshing data..."
Posted: August 6, 2012 8:50 AM
Thanks Yudi. That did it.
OnColumnResize Client Side Event, Removing Columns and PostBack
Posted: August 3, 2012 12:06 PM
Actually there are lots of files involved...But here is the scenario.

- Same grid as above. I am dynamically adding the columns during the PrepareDataBinding event server side.

- User clicks a button, opens an iFrame window popup to choose the grid columns they want. When the iFrame posts back. It sends a comma dilimited string to the parent window through js (parent.modalCallback(callBackParams) which is assigned to returnObj.  You retreive the value as returnObj.newColumnSettings.

So,

parent.aspxfunction openPopup() {
  // I'm not using showModalDialog anymore. I'm using the JQuery ColorBox plugin, but I am adding this code as an explanation
  var returnObj = window.showModalDialog(URL, args, "edge:Raised;scroll:no;help:no;status:no;center:yes;resizable:no;dialogHeight:350px;dialogWidth:600px;dialogLeft:48px;dialogTop:50px;");
  var grid = ISGetObject(myGrid);
                            var columnSettings = returnObj.newColumnSettings.split(",");
                            for (var i = 0; i < columnSettings.length; i++) {
                                var settingTokens = columnSettings[i].split(":");
                                if (settingTokens[1] == "SHOW") {
                                    if (!grid.RootTable.Columns.GetNamedItem(settingTokens[0]).Visible) {
                                        grid.RootTable.Columns.GetNamedItem(settingTokens[0]).Visible = true;
                                        grid.RootTable.Columns.GetNamedItem(settingTokens[0]).Show();
                                    }
                                }
                                else if (settingTokens[1] == "HIDE") {
                                    if (grid.RootTable.Columns.GetNamedItem(settingTokens[0]).Visible) {
                                        grid.RootTable.Columns.GetNamedItem(settingTokens[0]).Visible = false;
                                        grid.RootTable.Columns.GetNamedItem(settingTokens[0]).HideFromView();
                                    }
                                }
                            }
                            wgDoResize(true, true);
// this call posts back to the server so I can the new grid layout
refreshPage();
}

Now...the popup

function closeWindow(callbackParams) {
// call back params is an object in this case looks like {message: "some message", newColumnSettings: "a,comma,delim,string" }
                parent.modalCallback(callbackParams);
}


OnColumnResize Client Side Event, Removing Columns and PostBack
Posted: August 2, 2012 3:45 PM

Hans,

It seems there is another issue with this approach...When I try to execute the following code in the JS, I always get a JS error as listed below. It seems to always break on either Show() or HideFromView();

Any ideas?

TypeError: va7744 is null[Break On This Error] 	...30); if (ve2630.tagName =="TR" ||ve2630.tagName =="TD") return wgab058.m3c386(ve...
ISRes....7200533 (line 9)

                            var grid = ISGetObject(myGrid);
                            var columnSettings = returnObj.newColumnSettings.split(",");
                            for (var i = 0; i < columnSettings.length; i++) {
                                var settingTokens = columnSettings[i].split(":");
                                if (settingTokens[1] == "SHOW") {
                                    if (!grid.RootTable.Columns.GetNamedItem(settingTokens[0]).Visible) {
                                        grid.RootTable.Columns.GetNamedItem(settingTokens[0]).Visible = true;
                                        grid.RootTable.Columns.GetNamedItem(settingTokens[0]).Show();
                                    }
                                }
                                else if (settingTokens[1] == "HIDE") {
                                    if (grid.RootTable.Columns.GetNamedItem(settingTokens[0]).Visible) {
                                        grid.RootTable.Columns.GetNamedItem(settingTokens[0]).Visible = false;
                                        grid.RootTable.Columns.GetNamedItem(settingTokens[0]).HideFromView();
                                    }
                                }
                            }
                            wgDoResize(true, true);


I'm passing in a string that looks like colName:SHOW,colName:HIDE,colName:SHOW. I've confirmed that the strings are being split correctly as well.


Thanks!
OnColumnResize Client Side Event, Removing Columns and PostBack
Posted: August 1, 2012 11:03 AM
This solution worked, but I had to add wgDoResize(true, true); after the call or else the columns would render weird on the grid.
OnColumnResize Client Side Event, Removing Columns and PostBack
Posted: July 31, 2012 2:05 PM
Hi Hans,

Unfortunately I cannot use this approach in my code due to the nature of how we are creating the grid.

I now have another problem. When I initially load the grid, I am able to right click a column header and select "Remove This Column". The column is removed just fine. Then if I create another post back to try and change the columns, then, right click column header and chose "Remove This Column" The column disappears and reappears again with in a second. Have you ever encountered this? The same happens with resizing the column. The size just doesn't take.

To recreate:

1. Use the same grid markup above
2. Client side dynamically add a bunch of columns.
3. Try "Remove this column"
4. Then create a post back and change the columns from the server side
5. Try step 3 again.

Another thing I'd like to be able to do is call "Remove This Column" on any column from my JavaScript code. How can I do that? Example:

<script type="text/javascript">function removeColumn(colName) {
var grid = ISGetObject(gridName);
var col = grid.RootTable.Columns.GetNamedITem(colName);
// How can I do this step?
col.Visible = false;
// here I would like to create a post  back to the server so I can do some modification to my column list on the server side. 
refreshPage();
}
</script>


Thanks!
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