I am new in Xamarin forms and I need to implement a table in Xamarin forms. Requirement is-
Initially table will be empty and has four columns. After feeling form and clicking on submit button, new entry will be added in table. First column is Test, second column is single radio button, third column is again single radio button and forth column is button to delete that row it self.
I need to know which approach will be suitable to implement this requirement. Is it grid layout or tableview or something else.
Consider Table View use cases vs List View use cases. Table views are meant for static content. You should really consider a list view for dynamic content. (like adding a row with views) Being new to Xamarin.Forms, you should take the time to read completely through the documentation as (at least for me) it wasn't straightforward. Also, consider a WebView as radio buttons are not going to play nicely across platforms, and your problem would be easily solvable with jQuery.
Related
In need of building a desktop application to deal table data imported from csv files, I have been working with JavaFX few months.
Now, I have hit a problem: I can't select multi-column in a tableview. What I want to do is that in my application users can select two columns, then trigger a button to combinate them into a new column and append the new one into the tableview. But it seem that JavaFX's TableView do not support to select multi-column or even a single column. In Swing I can finish this work easily with the link Java Swing Tutorials to Use Table.
However, I have done by adding listeners to column headers and setting corresponding trigger action like lighlight the selected columns and adding the selected to a recording List so that as user press the button my application could know what user selected.
But I think there must be some way nicely to meet the demand. And so what is it? Please give some useful imformation or tourials.
I need a table to pop up or flash on the users screen when a button is clicked
It is a reference table, users can go back and check the codes while filling a form. This is to be done vb.net. Please help me i need the simplest solution possible
in my opinion:
1) If you don't insist on formatting and you would like to only display table data, you can simply write the data into string, which you will display in a MsgBox dialog. You'll probably will have to take care about partial string lenghts in columns (trim, or complete with spaces to a specific length) and then it will look OK. Bellow is an example of such data (only a test dialog) without any trimming/completeng:
2) For a serious table, you'd have to either use datagrdiveiw (or such) in a separate form, or draw your table using GDI, which would be a rather complicated and eccentric method.
I have four different tables and I want the data from each table to be shown on four different tabs?
Create four subforms, each based on a different table. Place one subform on each tab's page. If your tables are related, you'll need to either base your main form that contains the tab control on a table or query that contains your key column.
While #Joey's answer is certainly the way to place different tables on different tabs, it can lead to a slow-loading form. In general, I prefer to have one subform control into which I can load different forms as required. The user does not see any difference, in that there is not much difference between clicking a button and clicking a tab.
Me.TheSubFormControlName.SourceObject = "frmForm1"
You can also set the link child and link master fields at runtime, if required.
I would like to show my table data in grid. The table has more than 50 columns. By default they are displayed fine but I need a way to hide/show columns which are not required on screen.
So is there any way to achieve this? I think right clicking on the header should show all headers in a list box, allowing selection of which columns we want, then refresh the grid.
Please let me know if Telerik supports this and, if so, how?
No builtin feature available and this is one of many reasons why we are still thinking about other grids instead of telerik.
In the demo site there is a page where they show all the column names with checkboxes on top of the grid and you can check/uncheck to show/hide columns. see that sample source code, is simple to implement but still is custom code to add manually. I love the devexpress grid with customization popup and columns dragdrop from there but nothing like that for us in Telerik :-(
I come from the Delphi school. I was really used and pleased with Delphi grids with the plus features of InfoPower. Not just me, my users loves all features that include grids. Some motives for that are:
With grids they have the ability to insert detail information using only the keyboard. Input, Tab, Input, Tab, Input Tab (automatically insert new row), input, tab, etc.
They were able to simply click in a row and edit it´s data.
They could navigate between records using only arrow keys.
In my flex apps I´ve being working arround this quite often, sometimes using a popup to insert data, sometimes using repeater instead of grid. But now I really really need some intuitive, fast way for my users to insert this data.
I am trying to use DataGrid (or AdvancedDataGrid) with inline editors and I am living a real hell to do that. For the last 3 days I am struggling, tweaking and workarrounding in order to try to mimic the features that I had with Delphi.
Main problems are:
DateField simply don´t work as an inline editor. It gets focus but never looses, only with pressing ESC, wich makes me loose the inputed data.
AdvancedAutoComplete: I have a component descendant from AdvancedAutoComplete with a custom browser. The custom browser is a popup, when I try to PopupManager.remove flex raises an exception of a null pointer inside it´s focus managing engines.
I couldn´t get to insert a new line focused in it´s first column when TABing in the last column of last row.
Having all these problems and not getting substantial material to solve them makes me think the (now obvious) fact that it is just not the way grids are intended to work in flex. My question is: what are the patterns used in flex applications to make sequencial, intuitive, fast, keyboard only insertions in a detail?
To answer your question bluntly, there are no specific established patterns to make editing or inserting data in the DataGrid fast and easy. Not being able to Tab between fields is one of the things I really wish Adobe had added to the DataGrid by default.
In order to get the functionality you want, you'll have to do some custom coding and extend/override the DataGrid's default functionality. Switch On The Code has an example up on tabbing between fields, but you would have to build upon their sample a bit further to include features like adding a new row when pressing tab in the last field of the last row in the DataGrid.
You may also want to consider Flexicious. Based on the Flexicious Ultimate demo, it looks like they have the functionality you're looking for (and then some!).