error in insert data

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Hello
I make a function to save datagridview to Database (Report)

VB

Public Function SaveD()
    Dim I As Integer

    For I = 0 To PDG.Rows.Count - 1
        BuyBillTableAdapter1.Insert(PDG.Item(0, I).Value, PDG.Item(1, I).Value, PDG.Item(2, I).Value, PDG.Item(3, I).Value, PDG.Item(4, I).Value, Label13.Text)
    Next
End Function

but there is error
"Specified cast is not valid."

How I can correct it ?

Posted 10-Jan-13 3:07am

KosayHatem

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Sandeep Mewara · Accepted Answer · 2013-01-10T03:13:00

"Specified cast is not valid."
Based on the error, it is pretty clear that there is a data-type mismatch somewhere. If the error comes from above code lines, since you have not explicitly tried to cast any value, my guess would be that one of the values you try to insert is not expected to be of type string. Above insert parameters have all the string datatype. Is that really expected? Check if there is a mismatch in what is passed and what is expected.