How to reteieve Tag Value from Combo Box

Question

I have created a combo box as follow. But I could not figure out how can I retrieve Tag values from it.

 

 

Retreive values

I am able to retreiev items and Values

MessageBox.Show("ComboBox--Name: " + objComboBox.Name.ToString() + " ,Item Selected: " + objComboBox.SelectedIndex.ToString() + " ,Value Selected: " + objComboBox.SelectedValue.ToString() );

 

>>>>Following line does not work????

MessageBox.Show("ComboBox--Tag: " + objComboBox.Tag.ToString()

 

Thanks

DNB1

 

//////////////////////////////////////////////////////////////////////////////////

 

////////////Creating combo box

 

 

ComboBox cmbBox = new ComboBox();

 

string stext = "Apples,Banana,Oranges";

string[] arrWords = stext.Split(splitChars);

CreateComboBoxItem(cmbBox,"",Convert.ToString(0));

foreach (string s in arrWords)

{

CreateComboBoxItem(cmbBox, s, Convert.ToString(i));

}

cmbBox.SelectedIndex = 2;

 

cmbBox.Name = "ComboBox_" + iFormControlID;

......

...

}

 

//////////////////////////////////////////////////////////////////////////////////

private void CreateComboBoxItem(ComboBox cmbBox, String sContentItem, string sItemIDTag)

{

ComboBoxItem cmbBoxItem1 = new ComboBoxItem();

cmbBoxItem1.Content = sContentItem;

cmbBoxItem1.Tag = sItemIDTag;

cmbBox.Items.Add(cmbBoxItem1);

}

Answer 1

Your tag from CreateComboBoxItem() is on the ComboBoxItem, not on the ComboBox itself.  I think you meant...

Code Snippet

objComboBox.SelectedItem.Tag.ToString()

Answer 2

I tried what U said..But I am getting following error

MessageBox.Show(objComboBox.SelectedItem.Tag.ToString() );

 

Error 6 'object' does not contain a definition for 'Tag' and no extension method 'Tag' accepting a first argument of type 'object' could be found (are you missing a using directive or an assembly reference?) 2161 66 

 

FYI..I am creating this control dynamically

Thanks

DNB1

 

 

Answer 3

The type of ComboBox.SelectedItem property is object. You need to convert it to ComboBoxItem first. Here is an example which shows how to do this.

 

((ComboBoxItem)objComboBox.SelectedItem).Tag.ToString()

 

Best Regards,

Wei Zhou