Devexpress Grid Update Datasource
Devexpress Grid Control Tutorial

Active1 month ago

i will try to explain my problem here..

I work with 2 forms. first one have Drop down menu and grid control that is populated after selecting item in drop down menu. after populating gridControl, I have a button to add new row with data. When i click it, new form opens with textFields to fill, and save button to save changes and refresh gridControl.Here is code from first form where gridControl is populated after select item in dropDown menu:

That works fine..Here is code from my second input form where i should add new data and refresh gridControl in first form:

db is my database and ScoreParam is table.Here is method RefreshGVParams:

XtraGrid not refreshing after updates to its data source. Ask Question 6. I have an XtraGrid control on a windows form, bound to an object set as follows. But I have tried several ways of trying to get the grid to update, and it stubbornly refuses until I restart the application. What am I doing wrong? XtraGrid data source update while. DevExpress Updating In Gridview with combobox column. Rate this: Please. ('User').ToList(); grid.DataSource = BUS.Operations.EntityOperations.ProjectOperations.SelectAllProjects. Second and major is that If I dont touch combobox and change other fields like project name and click update I get a string on rowupdate method which cannot be. How to refresh the grid view after updating the datasource. Tags.NET, WinForms. One other way I could think of is releasing and re-binding the datasource after entity update, it's not ideal, of course, for obvious reasons. DevExpress engineers feature-complete Presentation Controls, IDE Productivity Tools, Business Application. How to update a gridcontrol datasource. Hello, I created a gridcontrol, but when I do something (e.g. Removing a grid row) the data source doesn't update. I am using the gridcontrol.RefreshDataSource method. Handles windowsUIButtonPanel.ButtonClick Dim view As DevExpress.XtraGrid.Views.Grid.GridView = gridView Dim row As. WinForms Controls > Common Features > Data Binding Common Concepts > How to: Bind GridControl to Database and Implement Master-Detail Mode at Design Time View this topic on docs.devexpress.com ( Learn more ).

I commented the line that doesn't set dataSource to null, and gridcontrol is not refreshed with new data.. when i close my first form and start it again, then i see it refreshed with new data..

How can i refresh gridControl in first form after clicking SAVE button in second form ? Where I made misstake ?

Sorry for long post, but it's been 2 days since i can't solve this problem.. I hope I explained well :)

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2 Answers

Add/Replace the following code in the Add new row button click event assuming your second form name is Form2

On your Form2 Change btnSave_Click code to

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In btnSave_Click, when you create a new form object frmScoreType frmST = new frmScoreType(); you no longer reference your first opened form. gcScoreParam.DataSource = null; in you case sets the data source to null for the new object you created and not for your opened form.Try using (frmScoreType)Application.OpenForms['frmScoreType'].RefreshGVParams(db);and now your function RefreshGVParams will be executed by the opened form. Or you can also take control of your opened form like this :frmScoreType f = (frmScoreType)Application.OpenForms['frmScoreType'] and first check if f null (to see if your form is opened, and after that call f.RefreshGVParams(db);Please excuse my english. Hope it helps.

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Devexpress Grid Update Datasource

Mircea MovilaMircea Movila

2 Answers

Devexpress Grid Update Datasource

Devexpress Grid Control Tutorial

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