Parameterized Query Using Wildcards In VS2005

Feb 14, 2006

Hey everyone,

I have a smart device project in Visual Studio 2005 that has a SQL Mobile data source. I am trying to create a parameterized query that utilizes 'LIKE' and wildcards. My query is below:

SELECT LocationID, StreetNum, StreetName, rowguid
FROM tblLocations
WHERE (StreetNum = @StreetNum) AND (StreetName LIKE '%' + @StreetName + '%')

However, when I test this on my PDA, I get the following error:

SQL Execution Error.

Executed SQL statement: SELECT LocationID, StreetNum, StreetName, rowguid FROM tblLocations WHERE (StreetNum = @StreetNum) AND (StreetName LIKE '%' + @StreetName + '%')
Error Source: SQL Server Mobile Edition ADO.NET Data Provider
Error Message: @StreetName : deerbrook - FormatException

Does anyone know how to add wildcards to a parameter?

Thanks,

Lee

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When I try to add a parameter called findby to the order by part of a query like this:
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Line 37: txtMessage.Text)Line 38: con.Open()Line 39: cmd.ExecuteNonQuery()Line 40: con.Close()Line 41:   1 Imports System.Web.Configuration
2 Imports System.Data.SqlClient
3 Partial Class News_Articles_Default
4 Inherits System.Web.UI.Page
5
6 Protected Sub btnPost_Click( _
7 ByVal sender As Object, _
8 ByVal e As System.EventArgs) _
9 Handles btnPost.Click
10
11 Dim cs As String
12 cs = WebConfigurationManager _
13 .ConnectionStrings("ConnectionStringNews") _
14 .ConnectionString
15 Dim insertNews As String
16 insertNews = "INSERT news " _
17 + "(newsid, author, date, articles) " _
18 + "VALUES(@newsid, @author, @date, @articles);"
19
20 Dim con As SqlConnection
21 con = New SqlConnection(cs)
22 Dim cmd As SqlCommand
23 cmd = New SqlCommand(insertNews, con)
24
25 Dim newsid As String
26 newsid = Request.QueryString("news")
27
28 cmd.CommandText = insertNews
29 cmd.Parameters.Clear()
30 cmd.Parameters.AddWithValue("newsid", _
31 newsid)
32 cmd.Parameters.AddWithValue("author", _
33 txtAuthor.Text)
34 cmd.Parameters.AddWithValue("date", _
35 DateTime.Now)
36 cmd.Parameters.AddWithValue("articles", _
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39 cmd.ExecuteNonQuery()
40 con.Close()
41
42 End Sub
43
44
45 End Class
46
 

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cmd.Parameters.Add(new SqlParameter("@Re_Address3", Address3TextBox.Text));
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}

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{
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}
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cmd.Parameters.Add(new SqlParameter("@Re_JobType_Temp", 0));
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cn.Open();
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cmdGetNumRead.CommandText = "select count(*) from TableName where not IntColumn = @IntColumn";

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