i have bounded DataSource to a combox box and then set this Code
Combox1.ValueMember = "CapacityID";
Combox1.DisplayMember = "Capacitys";
it show Data with no problem , but when i want gain selectedtext it returned me “” and using selectedItem , return name of combo box !
selectedvalue return correct data .
Combox1.SelectedItem.ToString(); //return "Combox1"
Combox1.SelectedValue.ToString(); //Work Correctly
Combox1.SelectedText.ToString(); // return ""
ComboBox.Text.Tostring() returned selected text and solved my problem
SelectedText property from MSDN
while Text property from MSDN