public string NextPage(string sessionID)
{
var bytes = (byte[])TempData["pdfBin_" + sessionID];
int currentPage = (int)TempData["pageNumber_" + sessionID];
TempData.Remove("pdfBin_" + sessionID);
TempData.Remove("pageNumber_" + sessionID);
TempData.Add("pdfBin_" + sessionID, bytes);
if (bytes == null)
{
return("");
}
var base64string = GhostScript.RasterizePdf(bytes).ToBase64Strings();
int totalPage = base64string.Count();
if (currentPage < totalPage)
{
TempData.Add("pageNumber_" + sessionID, currentPage + 1);
return(base64string[currentPage]);
}
else
{
TempData.Add("pageNumber_" + sessionID, currentPage);
return(base64string[currentPage - 1]);
}
}
public JsonResult ReadReport(string sessionID)
{
var result = new Libs.KmoAjaxResult()
{
success = false
};
var rptReq = TempData["rptReq_" + sessionID] as Libs.ReportRequest;
TempData.Remove("rptReq_" + sessionID);
TempData.Add("rptReq_" + sessionID, rptReq);
try
{
if (!TempData.ContainsKey("pdfbin_" + rptReq.SessionID))
{
Libs.ReportParameterCollection rptPars;
if (!string.IsNullOrEmpty(rptReq.RecordSelectionFormula))
{
rptPars = Application.Report_Crpt_BuildParameters(rptReq.ReportName, rptReq.RecordSelectionFormula);
}
else
{
rptPars = Application.Report_Crpt_BuildParameters(rptReq.ReportName);
}
rptPars.AddRange(rptReq.Parameters.ToArray());
var pdfBin = Application.Report_Crpt_BuildRptPdf(rptPars).Result;
var base64string = GhostScript.RasterizePdf(pdfBin).ToBase64Strings();
var rptView = new Libs.ReportViewModel();
rptView.CurrentPage = 1;
rptView.TotalPage = base64string.Count();
rptView.PageData = base64string[0];
rptView.SessionID = sessionID;
result.data = rptView;
if (TempData.ContainsKey("pageNumber_" + rptReq.SessionID))
{
TempData.Remove("pageNumber_" + rptReq.SessionID);
}
TempData.Add("pdfbin_" + rptReq.SessionID, pdfBin);
TempData.Add("pageNumber_" + rptReq.SessionID, (Int32)1);
result.success = true;
}
else
{
var pdfBin = (byte[])TempData["pdfbin_" + rptReq.SessionID];
var base64string = GhostScript.RasterizePdf(pdfBin).ToBase64Strings();
var page = base64string[0];
var rptView = new Libs.ReportViewModel();
rptView.CurrentPage = 1;
rptView.TotalPage = base64string.Count();
rptView.PageData = base64string[0];
rptView.SessionID = sessionID;
result.data = rptView;
if (TempData.ContainsKey("pageNumber_" + rptReq.SessionID))
{
TempData.Remove("pageNumber_" + rptReq.SessionID);
}
TempData.Add("pageNumber_" + rptReq.SessionID, (Int32)1);
TempData.Remove("pdfbin_" + rptReq.SessionID);
TempData.Add("pdfbin_" + rptReq.SessionID, pdfBin);
result.success = true;
}
}
catch (Exception x)
{
result.message = x.Message;
}
return(Json(result, JsonRequestBehavior.AllowGet));
}
