compobox in c# with disply and hidden value

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Hi
I have project I and I have compobox , in the compobox I have data form table in database.

I use this compobox to insert to another table but I don't want the selected value I want the hidden value ( in other words in the compobox the shown word is " Name " but I want to insert the " ID " )

Thanks

Posted 18-Jun-12 9:43am

Member 7851962

Updated 18-Jun-12 9:53am

Sandeep Mewara

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OriginalGriff · Answer 1 · 2012-06-18T09:53:00

The way I would do it is to create a class which held one row's worth of information, and override the ToString implementation to return just the information I wanted. Then when you use the ComboBox.SelectedItem property, you just cast it to the appropriate type:

C#

Video video = myComboBox.SelectedItem as Video;
if (video != null)
    {
    Console.WriteLine("{0}:{1}", video.Id, video.Title);
    }

Sandeep Mewara · Answer 2 · 2012-06-18T09:57:00

compobox the shown word is " Name " but I want to insert the " ID "
Use the SelectedValue property for it.

Refer: MSDN: ListControl.SelectedValue Property [^]

Sample example:

C#

// Set the name as the property to be displayed and the ID as the value to be returned when a row is selected.  
// Here these are properties; if we were binding to a database table or query these could be column names.
ComboBox1.DisplayMember = "Name";
ComboBox1.ValueMember = "ID";

C#

// After selection
// this will give you the inner 'hidden' value
textBox1.Text = ComboBox1.SelectedValue.ToString();
// If you also wanted to get the displayed text
// the SelectedItem item property:
// string s = ((USState)ComboBox1.SelectedItem).Name;

compobox in c# with disply and hidden value

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