i am using Listgrid of smartgwt api. i have set filter editor on the list grid using setShowFilterEditor(). On UI, i can filter out the text from the particular columns using filter editor which is shown on top of listgrid. till this, everything works fine. but problem starts after this. my ListGridRecords are of type ScreenInstanceGridRecord.
I cleared out the filter criteria before getting the ListGridRecord from the ListGrid using method clearCriteria(), so that i can save all the records to database ie. unfiltered records. when i try to get records from the listgrid using getRecordList(), 1000 Dummy records are added on the fly on first iteration, all my populated records are ignored . and i need here is records of ScreenInstanceGridRecord type. but on second iteration, i am getting my populated records which is of ScreenInstanceGridRecord type. why this problem is occurring. i should be getting ScreenInstanceGridRecord on the first iteration itself when i try to get records from the ListGrid using getRecordList(). i am getting no idea about this weird thing. any help from your side is most welcome.. plss
When you say you're getting 1000 Dummy records instead of your loaded records, in fact, your Records are not loaded yet at all. In this case, the ResultSet created by the ListGrid (see docs for ListGrid.fetchData()) is returning a provisional length (defaults to 1000) and returning the loading marker in lieu of Records (see ResultSet.rowIsLoaded()).
Use the DataArrived event to take action once data has been loaded. See ResultSet.lengthIsKnown() for how you can, in general, tell that data is not yet loaded.
Related
i need to refresh data in a TFDQuery which is in cached updates.
to simplify my problem, let's suppose my MsACCESS database is composed of 2 tables that i have to join.
LABTEST(id_test, dat_test, id_client, sample_typ)
SAMPLEType(id, SampleName)
in the Delphi application, i am using TFDConnection and 1 TFDQuery (in cached updates) in which i join the 2 tables which script is:
"SELECT T.id_test, T.dat_test, T.id_client, T.sample_typ, S.SampleName
FROM LABTEST T
left JOIN SAMPLEType S ON T.sample_typ = S.id"
in my application, i also use a DBGrid to show the result of the query.
and a button to edit the field "sample_typ", like this:
qr.Edit;
qr.FieldByName('sample_typ').AsString:=ce2.text;
qr.Post;
the edition of the 'sample_typ' field works fine but the corresponding 'sampleName' field is not changing (in the grid) after an update.
in fact it is not refreshed !
the problem is here: if i do refresh of the query, an exception is raised: "cannot refresh dataset. cached updates must be commited or canceled
and batch mode terminated before refreshing"
if i commit the updates, data will be sent to database and i don't want that, i need to keep the data in cache till the end of the operation.
also if i get out of the cache, data will be refreshed in the grid but will be sent to the database after qr.post and i don't want that.
i need to refresh data in the cache. what is the solution ?
Thanks in advance.
The issue comes down to the fact that you haven't told your UI that there is any dependency on the two fields - it clearly can't know how to do the join itself without resubmitting it so if you don't want to send the updates and reload you will have a problem.
It's not clear exactly what you are trying to do, but these two ideas may help you.
If you are not going to edit the fields in the SAMPLEType tables (S) then load the values from that table into a lookup table. You can load this into a TFDMemTable. You can use an adapter which loads from a query. Your UI controls can then show the value based on the valus looked up in your local TFDMemTable. Dependiong on the UI control this might be a 'LookupField' or some such.
You may also be able to store your main data in a TFDMemTable with an Adapter - you can specify diferent TFDCommands to read the whole recordset, refresh a record, update, insert and delete a record. The TFDCommands can act on multiple tables for joined recordsets like this. That would automatically refresh the individual record for you when you post it.
I am using Angular SLickgrid and want to show all the checkboxes for all rows & also header row checkbox as selected by default (when grid loads). I am able to achieve it partly by using this.angularGrid.gridService.setSelectedRows(this.allDataId)
but I am getting errors in console and all data rows are not visible. I cannot use preset because I want to show all rows selected & till the time angular grid is loaded, I don't have all row IDs. Below is the error that I am getting. I have added null checks before passing data to setSelectedRows() but no use.
TypeError: Cannot read property 'children' of null
at ensureCellNodesInRowsCache (dist/data.bundle.js.gz:2692)
at getCellNode (dist/data.bundle.js.gz:2692)
at updateCellCssStylesOnRenderedRows (dist/data.bundle.js.gz:2692)
at setCellCssStyles (/dist/data.bundle.js.gz:2692)
at Event.handleSelectedRangesChanged (/dist/data.bundle.js.gz:2692)
at Event.notify (/dist/data.bundle.js.gz:2674)
at RowSelectionModel.p [as setSelectedRanges] (/dist/data.bundle.js.gz:2692)
at SlickGrid.setSelectedRows (/dist/data.bundle.js.gz:2692)
at SlickGrid.m (/dist/data.bundle.js.gz:2692)
at Event.notify (/dist/data.bundle.js.gz:2674)
Please suggest how to achieve it. Thanks.
The answer, if that is an acceptable one, is in your question. The SlickGrid Row Selection plugin is not meant to be all selected at first so you have to stick with using setSelectedRows and if you don't have all Ids at hand then call it when you do... and in case you're pushing data in chunk, then call setSelectedRows on each chunk. There's no magic here, you need to call it when you have the correct Ids
I have a weird situation with my MS Access 2016 split database.
The back-end is a Azure SQL server DB, the front-end are distributed accde files.
I have a form bound to a linked table with several sub-forms in it.
The form is used to edit single records of the main table.
With some records all works fine ("good") but with some other records ("bad") the text boxes freeze, not allowing any edits.
No error messages, they just seem to be locked but the locked property of the text boxes control is set to false. (I've checked this in runtime)
What I've tried so far:
I can edit all records directly in the linked table
The properties of the form and controls in both "good" records and
"bad" records are the same
I can change the values of check and combo boxes and update the "bad"
records
The BIT column has a default value of 0 and nulls are not allowed (no
NULLS in the table for this field)
I'm running out of ideas. Any help will be much appreciated.
I've figured it out, so i'll leave the solution in case someone hits the same issue.
I have a subform with a browser control. All i had to do was to add the following line at the end of the main form loading sequence:
Me.SF_WEB_BROWSER.SetFocus
I created a Orbeon form that contains repeated sections that are filled in with data saved under form-resources in the source code. As usual, I use the functionality 'calculated value' with a xPath expression to fill in a field.
After I created the form, I made a survey. If I close the form without saving it and reopen it,
then no repeated sections are displayed anymore.
Is there a way to avoid the deletion of repeated sections in this case?
Thanks a lot for your help.
bjn
I'm sure this is an easy fix but I can't seem to find it. I just have a form, that will be a subform of another, that needs to display the results of a query.
The query is simple enough, just displays all fields of records that fall between specified dates. The query works great, but when I attach it to the form as its record source it doesn't display the data. I can see the correct amount of record selectors so I know its understanding the query but its as if all fields are hidden!
I have also tried building a query to the forms record source that was simply Select query.* From query. Oddly I have had this working before but I had to specify every field. What I mean is:
Select title From query
Select type From query
Select date From query
...
And so on for all the fields but this seems foolish, can anyone think of what I may be doing wrong?
Thanks in advance!
Edit, forgot to mention I also tried the foolish solution that I mentioned above and it didn't work so its definitely some issue that I'm not seeing, some property that's probably not appropriately set
#sshekhar well its not really code at the moment I'm using Access 2010. I have a form that needs to display a subform that executes this query of displaying records that have a data field that fall between dates specified by the user. The query works and displays the correct records, but the form that it is attached to only shows the record selectors and all the fields appear to be "hidden." I thought it may be one of the form's properties set incorrectly but I checked on the test form from another database that I used and each have what appears to be identical settings. So I'm at a loss!
So it turns out even though I using a query that holds all the fields it will not display the content unless you go to the Add Existing Fields and add all the the fields you want to see. This seems really silly especially when the results in the query but at least its working now.
I had this problem and discovered that having the property DataEntry set to YES will only display new records. From Microsoft Help:
You can use the DataEntry property to specify whether a bound form
opens to allow data entry only. The Data Entry property doesn't
determine whether records can be added; it only determines whether
existing records are displayed. Read/write Boolean.