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stored procedure stopped working

Posted on 2016-07-17
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Last Modified: 2016-07-18
I have created the sp but something is going on with the schema i think as its underlining red. i selected modify here so you could see the sp code. I manually ran select query to check rows exist

use Dictionary
select [word]
from [TblWords]
where [Word] = 'bioflex'

but when i call the visual basic code the object is returning no data the data is from a combo and the message box shows that looks ok but my call might not be:
    Private Sub CBCWSelectedItems_SelectedIndexChanged(sender As Object, e As EventArgs) Handles CBCWSelectedItems.SelectedIndexChanged
        Dim selectedIndex As Integer
        selectedIndex = CBCWSelectedItems.SelectedIndex
        Dim selectedItem As Object
        selectedItem = CBCWSelectedItems.SelectedItem

        MessageBox.Show("Selected Item Text: " & selectedItem.ToString() & Microsoft.VisualBasic.Constants.vbCrLf &
                        "Index: " & selectedIndex.ToString())
        ListMatrix.DataSource = GetMatrixData(selectedItem.ToString()).AsEnumerable().Select(Function(r) r.Field(Of String)("Word")).ToList()

        ListMatrix.Refresh()
    End Sub

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 Public Function GetMatrixData(ByVal StrWordIn As String) As DataTable
        Dim StrProcName As String
        Dim StrWord As String
        StrWord = StrWordIn

        dtMatrix = New DataTable
        Dim connectionString As String = ConfigurationManager.ConnectionStrings("Dictionary").ConnectionString

        If OpTag.Checked = True Then
            StrProcName = "usp_GetMatrix"


            Using connMatrix As New SqlConnection(connectionString)

                Using cmdMatrix As New SqlCommand(StrProcName, connMatrix)
                    cmdMatrix.CommandType = CommandType.StoredProcedure
                    connMatrix.Open()
                    cmdMatrix.Parameters.AddWithValue("@WordVar", StrWord)
                    Dim readerMatrix As SqlDataReader = cmdMatrix.ExecuteReader()

                    dtMatrix.Load(readerMatrix)

                End Using
            End Using
            Return dtMatrix

        Else

        End If
    End Function

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0
Comment
Question by:PeterBaileyUk
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4 Comments
 
LVL 9

Expert Comment

by:Trideep Patel
ID: 41716288
I checked the query and it is working fine.

What is the value of 'OpTag.Checked' in the function GetMatrixData before SP is called?
0
 
LVL 143

Accepted Solution

by:
Guy Hengel [angelIII / a3] earned 250 total points
ID: 41716296
I would only change this
Like @wordvar + '%'
Into
Like @wordvar +N'%'
0
 
LVL 24

Assisted Solution

by:Bitsqueezer
Bitsqueezer earned 250 total points
ID: 41716306
Hi,

if you move the mouse over the name of the SP a tooltip should popup showing you the cause of the error. If you are able to select "Modify" the SP still exists so maybe there is a problem with the objects inside the SP. If you have Redgate SQL Prompt installed, use "Show invalid objects", otherwise check the existence of the tables in the desired schema, maybe you've moved them to another schema.
I would also recommend to use aliases in the column list so you only need to change table/schema names in the FROM clause.

Cheers,

Christian
0
 

Author Comment

by:PeterBaileyUk
ID: 41716329
it is strange this morning it all looked and functions fine. ive made the enhancement as recommended by Guy
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