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WebGrid - Empty Grid Shows "null" At Times

leo.c — Tue, 28 Jul 2015 06:27:15 GMT

Hi Alan,

I have tried the solution you have suggested, but it will cause another issue. Webgrid will run into infinite loop when it tried to set notdatabox (on catch side, it will call ShowNoDataBox again). It seem the intention of try catch in that code was intended to make sure set empty data text finish successfuly, if exception occured (very rare), WebGrid will once again set empty data text after several milisecond.

Well, the possible solution right now was by specifying "CommonText/NoData" text item so that f=c.GetString("CommonText/NoData") will return the specified value instead of null, like the one suggested by Handy.

Best Regards,
Leo

WebGrid - Empty Grid Shows "null" At Times

alan@etimemachine.com — Fri, 26 Jun 2015 09:29:12 GMT

Hi Handy,
I found the problem when text show 'null' instead of "There are no rows in this view". This happens when you set StatusBarVisible to False and binding no data in web grid.
The problem stay in your WebGrid_UI.js method ShowNoDataBox.
try{f=c.GetString("CommonText/NoData")}catch(b){setTimeout(...)}...
You try to get text from method GetString. and want it raise exception when message not found. But method GetString only return null text with no exception. Hence you set text equal to null.
We can fix it easily by this:
try{f=c.GetString("CommonText/NoData");if (f == null) throw new Error("Whatever ...");}catch(b){...}
Can you confirm this bug with your dev and fix it in next release?

Regards

WebGrid - Empty Grid Shows "null" At Times

PRISMAY — Tue, 09 Mar 2010 10:06:22 GMT

Thanks Handy. I've implemented the ResetStatus on the grid client-side initialization and hopefully that will do the trick.

The text setting for customization works like we needed, so thank you for that too.

WebGrid - Empty Grid Shows "null" At Times

handy@intersoftpt.com — Mon, 08 Mar 2010 22:17:21 GMT

Hello Yousif,

ResetStatus(true) will set the text at the middle of WebGrid status where there is no data.
Some scenario could cause the empty text or null.
Btw, I am still unable to replicate 'null' issue as you described.
If this method could not be used as workaround, please set your own text settings.
Open WebGridDesigner>>TextSettings. Add a new one where is NoData.

  <LayoutSettings AllowGrouping="Yes">
                    <TextSettings>
                        <TextItems>
                            <ISWebGrid:WebGridTextItem TextItem="CommonText/NoData" TextValue="No Data" />
                        </TextItems>
                    </TextSettings>
  </LayoutSettings>

Hope this helps.

Regards,
Handy

WebGrid - Empty Grid Shows "null" At Times

PRISMAY — Mon, 08 Mar 2010 08:59:13 GMT

I doubt you'll duplicate this issue with just the "out-of-the-box" grid. We do major customization, but the basic foundation that we have no access to, via the API, hasn't changed. Please get with Handy as I had sent him detailed code from our grid base class for another item awhile back. Please do not post any of that code here as it's private and confidential.

I'll try the ResetStatus, but isn't that for the status line at the bottom?

WebGrid - Empty Grid Shows "null" At Times

andi@intersoftpt.com — Sun, 07 Mar 2010 23:23:34 GMT

Hi Yousif,

By you mean to change the text message, does it mean that you want to change all the language? If you are willing to change the language, you will need to use other Localization file instead of default.xml. You can refer this with "ms-help://ISNet.WebUI.WebGrid.V7/ISNet.WebUI.WebGrid/Specifying custom language used in WebGrid.html".

Or, if you see my attached sample file, you will see that I only change the text to "Null" and keep the language as a default.

For you issue that the grid is come with "null" in the middle of it, I am sorry, but I not able to replicate the issue. Could you kindly modify my sample so that it will replicate the issue and send them back to me to be investigated?

I hope it helps. Thank you and have a nice day.

Best Regards,

Andi Santoso

WebGrid - Empty Grid Shows "null" At Times

handy@intersoftpt.com — Sun, 07 Mar 2010 22:49:25 GMT

Hello Yousif,

Please try to use ResetStatus(true) in WebGrid Intialize event to overcome text 'null' issue.

e.g

var grid = ISGetObject("WebGrid1");
grid.ResetStatus(true);

Regards,
Handy

WebGrid - Empty Grid Shows "null" At Times

PRISMAY — Fri, 05 Mar 2010 09:04:00 GMT

Some of our grids come up with "null" in the middle of the grid when there's no data instead of the "There are no rows in this view." text. See attached.

Refreshing the page usually takes care of it. But initially we don't want to see "null" in the middle. Also, we'd like to be able to set the "There are no rows in this view." text message so we can use different languages. Is there a way to do that? Thank you.