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#1
April 27th, 2008, 11:58 AM
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Passing data between MDIchilds
Hi all,
I want to know howto pass data between MDI childs. I have a childform (frmList) with a DataGridView on it. Now when I doubleclick on a row I want to open an other MDI child (frmDetails) with all the data from that DataGridViewRow I doubleclicked. How can I access the data in an other MDI child or pass it between them? Grts and thx for any help.. Pit76 
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#2
April 28th, 2008, 07:00 AM
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something like this:
Code:
protected void dataGridView_doubleclick (object sender, gridvieweventargs e)
{
int primaryKeyID = ........
((cast goes here)this.ParentForm).OpenSomeOtherForm(primaryKeyID);
}
basically you: 1. get the primary key id for the row clicked 2. Pass the primary key id to the MDI parent which then opens up a new MDI child 3. MDI child form then loads data based on the primary key id and whatever other data you pass to it
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#3
May 2nd, 2008, 11:34 AM
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Thx but I am afraid I don't reallt get it
 Code:
private void dataGridViewOverzichtArtikels_CellContentDoubleClick(object sender, DataGridViewCellEventArgs e)
{
artTitelValue = dataGridViewOverzichtArtikels.Rows[e.RowIndex].Cells["ArtTitel"].Value.ToString();
artInhoudValue = dataGridViewOverzichtArtikels.Rows[e.RowIndex].Cells["ArtInhoud"].Value.ToString();
// Openen nieuw ArtikelBeheer formulier
FormArtikelBeheer _FormArtikelBeheer = new FormArtikelBeheer();
_FormArtikelBeheer.MdiParent = this.ParentForm;
_FormArtikelBeheer.Tag = 1;
_FormArtikelBeheer.Show();
}
This is what I have so far.. I made some Public Properties on the childform frmList wich will be filled with the data from the selected row in the datagrid. Then I open a new formArtikelBeheer. Now I don't get howto access the filled properties of the frmList through the other child formArtikelBeheer.. I have a problem with the casting..  Update: Only had to add this in the formArtikelBeheer: Code:
textBoxArtTitel .Text = ((FormArtikelOverzicht)MdiParent.MdiChildren[0]).ArtikelTitelDGV; I was so close, only I forgot the [0] Thx, Pit76 Last edited by Pit76 : May 2nd, 2008 at 05:41 PM. Reason: Update [solved]
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