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Changing value of bound datagridview cell

Posted on 2013-06-04
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Last Modified: 2013-06-13
Hello experts, I am trying to set a value in datagridview via code. the grid is bound to a bounding source.
apparently the data base wont update. this is my code:


Dim row As DataRow = DirectCast(Me.TblLaboratoryBindingSource1.Current, DataRowView).Row
                row("Nomicrosection") = lngNewSeedNoMicroSection
                row("TestDate") = DateTime.Now
                dtgLab.Item("Nomicrosection", i).Value = lngNewSeedNoMicroSection
                dtgLab.Item("TestDate", i).Value = DateTime.Now
dtDataTable.GetChanges()

       
            TblLaboratoryTableAdapter.Update(dtDataTable.Select(Nothing, Nothing, DataViewRowState.Deleted))
           
            TblLaboratoryTableAdapter.Update(dtDataTable.Select(Nothing, Nothing, DataViewRowState.ModifiedCurrent))
         
            TblLaboratoryTableAdapter.Update(dtDataTable.Select(Nothing, Nothing, DataViewRowState.Added))

            COCDataSet.tblLaboratory.AcceptChanges()
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Question by:Hagita
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3 Comments
 
LVL 100

Expert Comment

by:mlmcc
ID: 39220758
What is the underlying query?

Does it use multiple tables?
If so it may be that it is not updateable

mlmcc
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Accepted Solution

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Hagita earned 0 total points
ID: 39232581
Thank you. I managed to make it work. added a call to the  EndEdit method opf the BindingSource:

           dtDataTable.GetChanges()
            Me.TblLaboratoryBindingSource1.EndEdit()
         
            TblLaboratoryTableAdapter.Update(dtDataTable.Select(Nothing, Nothing, DataViewRowState.Deleted))      
            TblLaboratoryTableAdapter.Update(dtDataTable.Select(Nothing, Nothing, DataViewRowState.ModifiedCurrent))          
            TblLaboratoryTableAdapter.Update(dtDataTable.Select(Nothing, Nothing, DataViewRowState.Added))

            COCDataSet.tblLaboratory.AcceptChanges()
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Author Closing Comment

by:Hagita
ID: 39243888
I solved it without using experts advice. Thank you
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