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+open Dbgrid
+
+table t1 : {Id : int, A : string}
+ PRIMARY KEY Id
+
+sequence s
+table t : {Id : int, A : int, B : string, C : bool, D : int}
+ PRIMARY KEY Id,
+ CONSTRAINT Foreign FOREIGN KEY (D) REFERENCES t1(Id) ON DELETE CASCADE
+
+fun page (n, s) = return <xml>A = {[n]}, B = {[s]}</xml>
+
+open Make(struct
+ val tab = t
+ con key = [Id = _]
+
+ val raw = {Id = {New = nextval s,
+ Inj = _},
+ A = {New = return 0,
+ Inj = _},
+ B = {New = return "",
+ Inj = _},
+ C = {New = return False,
+ Inj = _},
+ D = {New = return 0,
+ Inj = _}}
+
+ structure F = Direct.Foreign(struct
+ con nm = #Id
+ val tab = t1
+ fun render r = r.A
+ end)
+
+ val cols = {Id = Direct.readOnly [#Id] ! "Id" Direct.int,
+ A = Direct.editable [#A] ! "A" Direct.int,
+ B = Direct.editable [#B] ! "B" Direct.string,
+ C = Direct.editable [#C] ! "C" Direct.bool,
+ D = Direct.editable [#D] ! "D" F.meta,
+ DA = computed "2A" (fn r => 2 * r.A),
+ Link = computedHtml "Link" (fn r => <xml><a link={page (r.A, r.B)}>Go</a></xml>)}
+ end)
+
+fun main () =
+ grid <- grid;
+ return <xml>
+ <head>
+ <link rel="stylesheet" type="text/css" href="/defun/grid.css"/>
+ </head>
+ <body onload={sync grid}>
+ {render grid}
+ </body>
+ </xml>