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Programatically Updating  Bound child datagridview

Posted on 2013-05-29
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Last Modified: 2013-06-28
I have two DataGridViews on a form in a parent-child relationsihp. The parent dgv is bound to a BindingSource whose DataSource is a table. The child dgv is bound to a BindingSource whose DataSource is the parent BindingSource and whose DataMember is the relation between the parent and child tables in the DataSet.

Parent Grid (dgvOEntryAdvise)
bindingsource11.DataSource = dsDet.Tables("OIAdviseDetails")
dgvOEntryAdvise.DataSource = bindingsource11

Child Grid ( dgvOSAdvise)
  bindingsource13.DataSource = bindingsource11 'dsDet.Tables("OSAdviseDetails") '
   bindingsource13.DataMember = "FK_OS_OI_Advise"
   dgvOSAdvise.DataSource = bindingsource13


dtOEntry = dsDet.Tables("OIAdviseDetails")  --
table bound to parent dgv (dgvOEntryAdvise)

Dim newrow As DataRow = dtOEntry.NewRow()
newrow.BeginEdit()
 newrow("Caseid") = lngcaseid
 newrow("OCCode") = dgvOIList.CurrentRow.Cells("Occode").Value
 newrow("OCName") = dgvOIList.CurrentRow.Cells("OCName").Value
 newrow("OICode") = dgvOIList.CurrentRow.Cells("OICode").Value
newrow("OIName") = dgvOIList.CurrentRow.Cells("OIName").Value
newrow.EndEdit()
dtOEntry.Rows.Add(newrow)

(Upto this it is working fine)

for some order item in parent grid i want to add programatically few child rows in the child datagrid ...

Pls advise on how to do this
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Question by:venkataramanaiahsr
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Expert Comment

by:adriankohws
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When you use parent and child relationship and binding, how are you be able to add rows yourself?

I don't know why you wish to add rows but you can only add them to the binding source and rebind the child datagridview.
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venkataramanaiahsr earned 0 total points
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I could solve it by other means. i got the both parent and child data into single grid by join
statement and it solved my problem
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Expert Comment

by:adriankohws
Comment Utility
I have no objection against what you said but it isn't a solution. If at the first place you can combine two relationship into one row display, then this question does not stand. There's a reason to have master detail. Imagine one master record can have 30 rows of details, show them in one grid??
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Author Closing Comment

by:venkataramanaiahsr
Comment Utility
I could solve it by other means. i got the both parent and child data into single grid by join
statement and it solved my problem
0

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