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| (Classic ASP) Find and Delete Object from JSON ArrayDemonstrates how to find an delete an object from a JSON array of objects. 
 <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' This example will delete the "Pasta" category object from Menu B. ' { ' "menus": [ ' { ' "name": "Menu A", ' "categories": [ ' { ' "name": "Kebabs", ' "description": "blah blah blah" ' }, ' { ' "name": "Burgers", ' "description": "blah blah blah" ' }, ' { ' "name": "Pasta", ' "description": "blah blah blah" ' }, ' { ' "name": "Appetizers", ' "description": "blah blah blah" ' } ' ] ' }, ' { ' "name": "Menu B", ' "categories": [ ' { ' "name": "Kebabs", ' "description": "blah blah blah" ' }, ' { ' "name": "Burgers", ' "description": "blah blah blah" ' }, ' { ' "name": "Pasta", ' "description": "blah blah blah" ' }, ' { ' "name": "Appetizers", ' "description": "blah blah blah" ' } ' ] ' } ' ] ' } ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject") set json = Server.CreateObject("Chilkat.JsonObject") success = json.LoadFile("qa_data/json/menus.json") If (success = 0) Then Response.Write "<pre>" & Server.HTMLEncode( json.LastErrorText) & "</pre>" Response.End End If ' Find Menu B. ' menu is a Chilkat.JsonObject Set menu = json.FindRecord("menus","name","Menu B",1) ' assume menu is found.. ' Get the categories array, and then find the index of the "Pasta" menu category. ' catArr is a Chilkat.JsonArray Set catArr = menu.ArrayOf("categories") ' Assume it is found.. ' Find the object where the name of the JSON member is "name", and the value is "Pasta" index = catArr.FindObject("name","Pasta",1) If (index < 0) Then Response.Write "<pre>" & Server.HTMLEncode( "Pasta not found.") & "</pre>" Else ' Delete the "Pasta" category record from Menu B success = catArr.DeleteAt(index) ' Assume OK.. End If ' Examine the JSON to see if it worked as expected.. json.EmitCompact = 0 Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>" %> </body> </html> | ||||
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