protected void Application_BeginRequest(object sender, EventArgs e)
{
SqlChecker SqlChecker = new SqlChecker(this.Request, this.Response);
//或 SqlChecker SqlChecker = new SqlChecker(this.Request,this.Response,safeUrl);
SqlChecker.Check();
}
/// <summary>
/// SQLite doesn't support things like SKIP and a few other things.
/// So determine if the query has to be rewritten
/// </summary>
/// <remarks>
/// Microsoft went to all the trouble of making things like SKIP work
/// on Sql Server 2000 by doing a rewrite of the commandtree.
/// However, all that fancy stuff is hidden from us. Thanks to
/// reflection however, we can go ahead and use the Sql 2000 rewriter code
/// they made.
/// </remarks>
/// <param name="tree">The tree to inspect for a rewrite</param>
/// <returns>Returns a new query tree if it needs rewriting</returns>
internal static DbQueryCommandTree Rewrite(DbQueryCommandTree tree)
{
SqlChecker visitor = new SqlChecker();
if (tree.Query.Accept <bool>(visitor))
{
tree = sql8rewriter.InvokeMember("Rewrite", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.InvokeMethod | System.Reflection.BindingFlags.Static, null, null, new object[] { tree }) as DbQueryCommandTree;
}
return(tree);
}
