WPF Forms : How to bulild Multiple Combo boxes dynamically

Venu Boyalla

I have used the below code to achieve the requirement. But Only last comb box is displaying on the screen.

suppose i am trying to display 10 comboxes to display on the screen. But only 10th one is displaying on the screen

I am trying to add the combo boxes to canvas (ReportDropDown is my canvas name )

5 Replies

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Amit Gupta7y ago
Accepted answer
As you have not set any location of combobox, it might overlap to one another. Either set the location or use stackPanel instead of canvas
Venu Boyalla7y ago
Thanks @Amith Gupta

I have changed Canvas to StackPanel Now it is working fine Thanks
Venu Boyalla7y ago
Hi Hemant

As per the below code it will Build e Combobox and in loop we are adding Combo Box items in loop

But the requirment is I need build multiple comboxes on mentioned canvas dynamically

Number of combo boxes are dependent on variable value

ex : in one scenario i need 5 combo boxes (Drop Down Lists) on the screen and in another screen i need 10 combo boxes
Hemant Jindal7y ago
Please accept if this help
Hemant Jindal7y ago
Hi

you are initializing instance of combobox with in the loop
ComboBox Itembox = new ComboBox();
Itembox.Margin = new Thickness(10, 10, 0, 13);
Itembox.HorizontalAlignment = HorizontalAlignment.Left;
Itembox.VerticalAlignment = VerticalAlignment.Top;
Itembox.Width = 194;
Itembox.Height = 30;
Itembox.IsEditable = false;
Itembox.Name = "ReportData" + j.ToString();
for (int j = 0; j < itemsCount; j++)
{
    ComboBoxItem cboxItem = new ComboBoxItem();
    cboxItem.Content = ActualColumnsList[j];
    Itembox.Items.Add(cboxItem);
    ReportDropDown.Children.Add(Itembox);
}