Input string was not in a correct format.

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VB

Public Sub binddata()
        Try
            Dim itemid1 As Int64 = Integer.Parse(Request.QueryString("itemid").ToString)
            Dim drmember As DataRow = ItemMaster.ItemMaster_ById(itemid1)

            If Methods.CorrectDBNull(drmember.Item("item_name")).ToString() <> "" Then
                txtimage.Text = Methods.CorrectDBNull(drmember.Item("item_name")).ToString()
            End If
        Catch ex As Exception

        End Try
    End Sub

**** The error comes from the "dim itemid1 asint64" line.****
What is the solution?

Posted 24-Apr-14 0:29am

onlybigb321

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[no name] 24-Apr-14 6:35am

see quickwatch which type of value is coming to "Request.QueryString("itemid")" is it int type value or not ?
If not then send only int value

2 solutions

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Sanket Saxena · Accepted Answer · 2014-04-24T00:41:00

Solution 2

Seems like your Request.QueryString("itemid") is empty/null.

Posted 24-Apr-14 0:41am

Sanket Saxena

Abhinav S · Accepted Answer · 2014-04-24T00:38:00

Solution 1

Ensure that Request.QueryString("itemid") is actually an integer that can be converted directly into an integer.
For e.g. an itemid of E55 cannot be converted into an integer directly.

Integer.TryParse[^] will help you check if the value is parse is actually an integer or not.

Posted 24-Apr-14 0:38am

Abhinav S