public IActionResult LengthConvert(decimal numIn) { ILengthConversions mToF = new MetersToFeet(); ILengthConversions fToM = new FeetToMeters(); ILengthConversions mToY = new MetersToYards(); ILengthConversions yToM = new YardsToMeters(); ILengthConversions fToY = new FeetToYards(); ILengthConversions yToF = new YardsToFeet(); ViewData["NumInput"] = numIn; ViewData["MtoF"] = Math.Round(mToF.GetLength(numIn), 2); ViewData["FtoM"] = Math.Round(fToM.GetLength(numIn), 2); ViewData["MtoY"] = Math.Round(mToY.GetLength(numIn), 2); ViewData["YtoM"] = Math.Round(yToM.GetLength(numIn), 2); ViewData["FtoY"] = Math.Round(fToY.GetLength(numIn), 2); ViewData["YtoF"] = Math.Round(yToF.GetLength(numIn), 2); return(View()); }