public static async Task SendGridData(string gridName, GridGenerationType gridGenerationType)
{
SignalRGridSession session = MVCGridSignalR.SignalRGridSessions[gridName];
List <string> connectionIds = session.GridConnections;
SignalRGridResponse signalrGridResponse = SignalRGridHelpers.GenerateSignalRGrid(gridName, gridGenerationType);
string json = JsonConvert.SerializeObject(signalrGridResponse);
await _hubContext.Clients.Clients(connectionIds).SendCoreAsync("Message", new object[] { json });
}
internal static SignalRGridResponse GenerateSignalRGrid(string gridName, GridGenerationType type)
{
string html = string.Empty;
string summaryhtml = string.Empty;
int statusCode = 0;
NameValueCollection nameValueCollection = new NameValueCollection();
html = GridHelpers.GenerateGrid(gridName, out statusCode, nameValueCollection);
if (type == GridGenerationType.Row)
{
var doc = new HtmlDocument();
doc.LoadHtml(html);
List <HtmlNode> trNodes = doc.DocumentNode.Descendants("tr").ToList();
HtmlNode trNode = trNodes.LastOrDefault();
HtmlNode summaryNode = doc.GetElementbyId($"MVCGridTable_{gridName}_Summary");
if (trNode != null)
{
html = trNode.OuterHtml;
if (html.Contains("noresults") == true)
{
html = string.Empty;
}
}
if (summaryNode != null)
{
summaryhtml = summaryNode.OuterHtml;
}
}
return(new SignalRGridResponse()
{
Type = Enum.GetName(typeof(GridGenerationType), type),
Gridname = gridName,
Html = html,
SummaryHtml = summaryhtml,
});
}
