hello every one
                i wont to select the data place in textbox in the form but the code does not work

    Sub backup()
                con.Open()
                    Dim cmd As New SqlCommand("BACKUP DATABASE ['" & TextBox1.Text & "'] TO DISK = N'D:\5-2016\Backup.bak' WITH COPY_ONLY", con)
                cmd.ExecuteNonQuery()
                con.Close()

hi,

Put the body of your method in a "Try .... Catch" block. Solve your problem following the generated exception or show us this exception !

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