Question

I have created a dataset in my visual studio project which is connected to a Microsoft Acess datebase. I want to populate the values of a particular column in the table into the items of a combo box (i.e. dropdown box). For this I created a table adapter called “empnames” and a method “GetDataByName()” which selects only the column which is required.

First I tried this

comboBox1.ItemsSource = empnames.GetDataByName().ToString();

For this I get the letters in the table name as different items of the combo box. For example if the table name is emp_data, I get 8 items in combobox i.e. ‘e’,’m’,’p’,’d’,’a’,’t’,’a’.
Can you please help me to get proper result.

Thanks

Code:

private void Window_Loaded(object sender, RoutedEventArgs e) { 
SampleDataSetTableAdapters.Emp_dataTableAdapter empnames = new SampleDataSetTableAdapters.Emp_dataTableAdapter();
comboBox1.ItemsSource = empnames.GetDataByName();
} 

This is the code for method to populate the combobox items. The GetDataByName() is designed using table adapter query configuration wizard. Return type is data table.

Answer 1

You should assign the DataTable to the ItemsSource, and set DisplayMemberPath to the name of the column you want to show.

comboBox1.ItemsSource = empnames.GetDataByName();
comboBox1.DisplayMemberPath = "Name"; // assuming there is a "Name" column