Select * from tablename where ID = '"& textbox1.text & "'

[Princess Zai]

i will input a number in textbox1 which will be the id column in the database and then when i press the search button it will display the corresponding data based on the id. here's my code

 strsql = "select * from tbuser where ID = '" & TextBox1.Text & "'"
        sqlcmd.CommandText = strsql
        sqlcmd.Connection = GetConnection1()
        read = sqlcmd.ExecuteReader()

        If read.HasRows Then
            While read.Read

                Label2.Text = (read.GetChar(1))
            End While
        End If
        GetConnection1.Close()

the error is in

read = sqlcmd.ExecuteReader()

Data type mismatch in criteria expression.
i use ms access for the database and visual studio 2010.
thanks in advance for helping ^_^

[Rabbit]

What is the SQL string that is executed (with the variables expanded)?

What is the design of the table?

What is the data type of the read variable?

[Mikkeee]

Generally an ID column in your database will be a numeric data type but you're passing it along as a string by enclosing your sql in single quotes.

[Nightraven]

vbcon.Open()
            Dim str As String = ""
           
            str = "SELECT * FROM mytablename"


Dim dbCommand As New SqlCommand(str, vbcon)
Dim dbReader = dbCommand.ExecuteReader


 While dbReader.Read()
                textboxtext = dbReader.Item("myvarname")
 End While
            dbReader.Close()