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Ado Query in ASP

Ado Query in ASP

In Classic ASP, an ADO Query typically means executing an SQL query against a database using ADO objects (Connection or Command) and optionally retrieving results.


? Basic ADO Query Execution in ASP

1. Using Connection.Execute (for SELECT, INSERT, UPDATE, DELETE)

<%Dim conn, sql, rs' Open connectionSet conn = Server.CreateObject("ADODB.Connection")conn.Open "Provider=SQLOLEDB;Data Source=SERVER;Initial Catalog=DB;User ID=USER;Password=PASS;"' Define SQL querysql = "SELECT UserID, Name FROM Users"' Execute query and get recordsetSet rs = conn.Execute(sql)' Loop through resultsDo Until rs.EOF    Response.Write "ID: " & rs("UserID") & " - Name: " & rs("Name") & "<br>"    rs.MoveNextLoop' Cleanuprs.CloseSet rs = Nothingconn.CloseSet conn = Nothing%>

? Using ADODB.Command to Execute Queries (Recommended for Parameters)

<%Dim conn, cmd, rsSet conn = Server.CreateObject("ADODB.Connection")conn.Open "Provider=SQLOLEDB;Data Source=SERVER;Initial Catalog=DB;User ID=USER;Password=PASS;"Set cmd = Server.CreateObject("ADODB.Command")Set cmd.ActiveConnection = conncmd.CommandText = "SELECT UserID, Name FROM Users WHERE Age > ?"cmd.CommandType = 1 ' adCmdText' Add parameter for Agecmd.Parameters.Append cmd.CreateParameter("Age", 3, 1, , 25) ' 3=adInteger, 1=adParamInput' Execute querySet rs = cmd.Execute()Do Until rs.EOF    Response.Write "ID: " & rs("UserID") & " - Name: " & rs("Name") & "<br>"    rs.MoveNextLooprs.CloseSet rs = NothingSet cmd = Nothingconn.CloseSet conn = Nothing%>

Notes:

  • conn.Execute returns a Recordset for SELECT queries.

  • For INSERT, UPDATE, DELETE, conn.Execute returns the number of affected rows.

  • Use ADODB.Command to safely pass parameters and prevent SQL injection.


Want me to help with building a specific query or using stored procedures?

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