If you want to refresh the page, You can Try this. under the function of ComboBoxAddData() call Form1_Load(null,null). Now You can bind the your ComboBox will null values. Plz check it.
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AshishvermaMCA
@AshishvermaMCA
Posts
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i set combobox data source value and cleare item also but just add a new item combo list is add new list in old list my code is -
problem using for() with datagrid - blank cell valueCorrection in For Loop- for (int i = 0; i < gridContacts.RowCount; i++)