Hello dear friend please help me i am vb.net 2005 programmer, see the image as i being start type in the datagrid view a small window will show and mouse croser jump for search then i pres enter key the window will dispaper and the data will get in data grid view also inventry value will be minous (-) what will be the code, but i do not want to type directly in datagrid view. it will search other form and pest in datagrid view and calculation can any help me

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