BC30452: Operator '&' is not defined for types 'String' and 'System.Web.UI.WebControls.AccessDataSource'.

hi everyone,

i keep getting the error page...

Compilation Error

Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: BC30452: Operator '&' is not defined for types 'String' and 'System.Web.UI.WebControls.AccessDataSource'.

Source Error:

 
Line 20: 
Line 21: cmdSelect = New Data.OleDb.OleDbCommand(strSelect, conMaterials)
Line 22: cmdSelect.Parameters.Add("@grad_attribute_name", "%" & gradatt_search & "%")
Line 23: cmdSelect.Parameters.Add("@grad_element_name", "%" & gradele_search & "%")
Line 24: cmdSelect.Parameters.Add("@discipline_name", "%" & discipline_search & "%")
 

ive search around the net but cant find any answers. im a relative newbie to asp and ado and really don't even know what the msg is telling me.

here is the rest of my code if it helps.


<%@Import Namespace = "System.Data.OleDb" %>
<script runat="server">

    Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs)
       
        Dim conMaterials As Data.OleDb.OleDbConnection
        Dim strSelect As String
        Dim cmdSelect As Data.OleDb.OleDbCommand
       
        conMaterials = New Data.OleDb.OleDbConnection("Provider = Microsoft.Jet.OleDb.4.0; DATA Source = c:\Documents and Settings\Matt\Desktop\ACUMEN1\ACUMEN.mdb")
        conMaterials.Open()
        strSelect = "SELECT * FROM materials WHERE " & _
              "grad_attribute_name IS LIKE @grad_attribute_name AND " & _
              "grad_element_name IS LIKE @grad_element_name AND " & _
              "discipline_name IS LIKE @discipline_search AND " & _
              "resource_name IS LIKE @resource_search'"

        cmdSelect = New Data.OleDb.OleDbCommand(strSelect, conMaterials)
        cmdSelect.Parameters.Add("@grad_attribute_name", "%" & gradatt_search & "%")
        cmdSelect.Parameters.Add("@grad_element_name", "%" & gradele_search & "%")
        cmdSelect.Parameters.Add("@discipline_name", "%" & discipline_search & "%")
        cmdSelect.Parameters.Add("@resource_name", "%" & resource_search & "%")
     
                      
        

 

thanks,

googaloog 

0
googaloog
10/14/2006 4:31:04 AM
asp.net.object-datasource 16182 articles. 0 followers. Follow

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What is gradatt_search ?

Is it a Webcontrol? -> Should be gradatt_search.text

cmdSelect.Parameters.Add

should be (as far as i know!)

cmdSelect.Parameters.AddWithValue

Undying

0
Undying
10/14/2006 9:56:18 AM
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