Selecti one value in combox then other values placed in it disappears automatically ?

when i select one value in combox then other values placed in it disappears automatically.
I don't know what the problem is i have also checked its value member and display member they both are correct..


I want suggestion please help...

 

Your question is not clear. I think you place some code in the page load event. When you select a value in the combobox the load event again working and you details are erased. If this is the case place the code in a not postback block.

 

my question is that when i select one value in combobox then the other values which are binded to combobox disappears automatically as I have placed combobox code in page load event and other than page load event where should i post the code for combobox.

 

Put your sample code here

 

This code i am using on page_load
obj.FillComboBox(cmbSupplier, "select * from Suppliers_tbl", "Name", "Supplier_ID");
cmbSupplier.Text = "--Select--";

this code is on combox selected index changed
obj.FillComboBox(cmbSupplier, "select * from Suppliers_tbl where Supplier_ID=" + cmbSupplier.SelectedValue, "Name", "Supplier_ID");

 

Why do you need to fill the combo box in the selected index changed event? That is causing the problem

 

thnks dear for sorting out my problem it is working now