protected override string SendRequest(IUserData userData, string axlRequest)
{
if (!(_dataset is ArcIMSDataset))
{
return("");
}
string server = ConfigTextStream.ExtractValue(_dataset.ConnectionString, "server");
string service = ConfigTextStream.ExtractValue(_dataset.ConnectionString, "service");
string user = ConfigTextStream.ExtractValue(_dataset.ConnectionString, "user");
string pwd = ConfigTextStream.ExtractValue(_dataset.ConnectionString, "pwd");
IServiceRequestContext context = (userData != null) ? userData.GetUserData("IServiceRequestContext") as IServiceRequestContext : null;
if ((user == "#" || user == "$") &&
context != null && context.ServiceRequest != null && context.ServiceRequest.Identity != null)
{
string roles = String.Empty;
if (user == "#" && context.ServiceRequest.Identity.UserRoles != null)
{
foreach (string role in context.ServiceRequest.Identity.UserRoles)
{
if (String.IsNullOrEmpty(role))
{
continue;
}
roles += "|" + role;
}
}
user = context.ServiceRequest.Identity.UserName + roles;
pwd = context.ServiceRequest.Identity.HashedPassword;
}
dotNETConnector connector = new dotNETConnector();
if (!String.IsNullOrEmpty(user) || !String.IsNullOrEmpty(pwd))
{
connector.setAuthentification(user, pwd);
}
string resp = String.Empty;
ArcIMSClass.Log(context, "GetFeature Request", server, service, axlRequest);
try
{
resp = connector.SendRequest(axlRequest, server, service, "Query");
}
catch (Exception ex)
{
ArcIMSClass.ErrorLog(context, "Query", server, service, ex);
return(String.Empty);
}
ArcIMSClass.Log(context, "GetFeature Response", server, service, resp);
return(resp);
}
async public override Task <bool> Refresh()
{
await base.Refresh();
try
{
dotNETConnector connector = new dotNETConnector();
string server = ConfigTextStream.ExtractValue(_connectionString, "server");
string usr = ConfigTextStream.ExtractValue(_connectionString, "user");
string pwd = ConfigTextStream.ExtractValue(_connectionString, "pwd");
if (usr != "" || pwd != "")
{
connector.setAuthentification(usr, pwd);
}
string axl = connector.SendRequest("<?xml version=\"1.0\" encoding=\"UTF-8\"?><GETCLIENTSERVICES/>", server, "catalog");
if (axl == "")
{
return(false);
}
XmlDocument doc = new XmlDocument();
doc.LoadXml(axl);
foreach (XmlNode mapService in doc.SelectNodes("//SERVICE[@name]"))
{
base.AddChildObject(new ArcIMSServiceExplorerObject(this, mapService.Attributes["name"].Value, _connectionString));
}
if (doc.SelectNodes("//SERVICE[@name]").Count == 0)
{
foreach (XmlNode mapService in doc.SelectNodes("//SERVICE[@NAME]"))
{
base.AddChildObject(new ArcIMSServiceExplorerObject(this, mapService.Attributes["NAME"].Value, _connectionString));
}
}
return(true);
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message);
return(false);
}
}
public bool MapRequest(gView.Framework.Carto.IDisplay display)
{
if (_dataset == null || Themes == null)
{
return(false);
}
List <IWebServiceTheme> themes = Themes;
#region Check for visible Layers
bool visFound = false;
foreach (IWebServiceTheme theme in themes)
{
if (!theme.Visible)
{
continue;
}
if (theme.MinimumScale > 1 && theme.MinimumScale > display.mapScale)
{
continue;
}
if (theme.MaximumScale > 1 && theme.MaximumScale < display.mapScale)
{
continue;
}
visFound = true;
break;
}
if (!visFound)
{
if (_image != null)
{
_image.Dispose();
_image = null;
}
return(true);
}
#endregion
string server = ConfigTextStream.ExtractValue(_dataset.ConnectionString, "server");
string service = ConfigTextStream.ExtractValue(_dataset.ConnectionString, "service");
string user = ConfigTextStream.ExtractValue(_dataset.ConnectionString, "user");
string pwd = ConfigTextStream.ExtractValue(_dataset.ConnectionString, "pwd");
IServiceRequestContext context = display.Map as IServiceRequestContext;
if ((user == "#" || user == "$") &&
context != null && context.ServiceRequest != null && context.ServiceRequest.Identity != null)
{
string roles = String.Empty;
if (user == "#" && context.ServiceRequest.Identity.UserRoles != null)
{
foreach (string role in context.ServiceRequest.Identity.UserRoles)
{
if (String.IsNullOrEmpty(role))
{
continue;
}
roles += "|" + role;
}
}
user = context.ServiceRequest.Identity.UserName + roles;
pwd = context.ServiceRequest.Identity.HashedPassword;
}
dotNETConnector connector = new dotNETConnector();
if (!String.IsNullOrEmpty(user) || !String.IsNullOrEmpty(pwd))
{
connector.setAuthentification(user, pwd);
}
if (_dataset.State != DatasetState.opened)
{
if (!_dataset.Open(context))
{
return(false);
}
}
ISpatialReference sRef = (display.SpatialReference != null) ?
display.SpatialReference.Clone() as ISpatialReference :
null;
int iWidth = display.iWidth;
int iHeight = display.iHeight;
if (BeforeMapRequest != null)
{
BeforeMapRequest(this, display, ref sRef, ref iWidth, ref iHeight);
}
try
{
StringBuilder sb = new StringBuilder();
sb.Append("<?xml version='1.0' encoding='utf-8'?>");
sb.Append("<ARCXML version='1.1'>");
sb.Append("<REQUEST>");
sb.Append("<GET_IMAGE>");
sb.Append("<PROPERTIES>");
IEnvelope bounds = display.DisplayTransformation.TransformedBounds(display);
if (display.DisplayTransformation.UseTransformation == true)
{
iWidth = (int)(bounds.Width * display.dpm / display.mapScale);
iHeight = (int)(bounds.Height * display.dpm / display.mapScale);
}
sb.Append("<ENVELOPE minx='" + bounds.minx.ToString() + "' miny='" + bounds.miny.ToString() + "' maxx='" + bounds.maxx.ToString() + "' maxy='" + bounds.maxy.ToString() + "' />");
sb.Append("<IMAGESIZE width='" + iWidth + "' height='" + iHeight + "' />");
sb.Append("<BACKGROUND color='" + Color2AXL(display.BackgroundColor) + "' transcolor='" + Color2AXL(display.TransparentColor) + "' />");
string propertyString = _dataset._properties.PropertyString;
if (propertyString != String.Empty)
{
sb.Append(_dataset._properties.PropertyString);
}
else
{
if (sRef != null)
{
//if (this.SpatialReference != null && !display.SpatialReference.Equals(this.SpatialReference))
{
string wkt = gView.Framework.Geometry.SpatialReference.ToESRIWKT(sRef);
string geotranwkt = gView.Framework.Geometry.SpatialReference.ToESRIGeotransWKT(sRef);
if (wkt != null)
{
//wkt = "PROJCS[\"MGI_M31\",GEOGCS[\"GCS_MGI\",DATUM[\"D_MGI\",SPHEROID[\"Bessel_1841\",6377397.155,0]],PRIMEM[\"Greenwich\",0.0],UNIT[\"degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",450000],PARAMETER[\"False_Northing\",-5000000],PARAMETER[\"Central_Meridian\",13.3333333333333],PARAMETER[\"Scale_Factor\",1],PARAMETER[\"latitude_of_origin\",0],UNIT[\"Meter\",1]]";
//wkt = "PROJCS[\"MGI_M31\",GEOGCS[\"GCS_MGI\",DATUM[\"D_MGI\",SPHEROID[\"Bessel_1841\",6377397.155,299.1528128]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",450000.0],PARAMETER[\"False_Northing\",-5000000.0],PARAMETER[\"Central_Meridian\",13.33333333333333],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",0.0],UNIT[\"Meter\",1.0]]";
//geotranwkt = "GEOGTRAN[\"MGISTMK_To_WGS_1984\",GEOGCS[\"MGISTMK\",DATUM[\"Militar_Geographische_Institute_STMK\",SPHEROID[\"Bessel_1841\",6377397.155,299.1528128]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433]],METHOD[\"Position_Vector\"],PARAMETER[\"X_Axis_Translation\",577.326],PARAMETER[\"Y_Axis_Translation\",90.129],PARAMETER[\"Z_Axis_Translation\",463.919],PARAMETER[\"X_Axis_Rotation\",5.1365988],PARAMETER[\"Y_Axis_Rotation\",1.4742],PARAMETER[\"Z_Axis_Rotation\",5.2970436],PARAMETER[\"Scale_Difference\",2.4232]]";
wkt = wkt.Replace("\"", """);
geotranwkt = geotranwkt.Replace("\"", """);
if (!String.IsNullOrEmpty(geotranwkt))
{
sb.Append("<FEATURECOORDSYS string=\"" + wkt + "\" datumtransformstring=\"" + geotranwkt + "\" />");
sb.Append("<FILTERCOORDSYS string=\"" + wkt + "\" datumtransformstring=\"" + geotranwkt + "\" />");
}
else
{
sb.Append("<FEATURECOORDSYS string=\"" + wkt + "\" />");
sb.Append("<FILTERCOORDSYS string=\"" + wkt + "\" />");
}
//sb.Append("<FEATURECOORDSYS string=\"" + wkt + "\" datumtransformid=\"8415\" />");
//sb.Append("<FILTERCOORDSYS string=\"" + wkt + "\" datumtransformid=\"8415\" />");
}
}
}
}
sb.Append("<LAYERLIST>");
foreach (IWebServiceTheme theme in themes)
{
sb.Append("<LAYERDEF id='" + theme.LayerID + "' visible='" + (theme.Visible && !theme.Locked).ToString() + "'");
XmlNode xmlnode;
if (LayerRenderer.TryGetValue(theme.LayerID, out xmlnode))
{
sb.Append(">\n" + xmlnode.OuterXml + "\n</LAYERDEF>");
}
else if (theme.FeatureRenderer != null)
{
string renderer = ObjectFromAXLFactory.ConvertToAXL(theme.FeatureRenderer);
sb.Append(">\n" + renderer + "\n</LAYERDEF>");
}
else
{
sb.Append("/>");
}
}
sb.Append("</LAYERLIST>");
sb.Append("</PROPERTIES>");
foreach (XmlNode additional in this.AppendedLayers)
{
if (additional != null)
{
sb.Append(additional.OuterXml);
}
}
sb.Append("</GET_IMAGE>");
sb.Append("</REQUEST>");
sb.Append("</ARCXML>");
#if (DEBUG)
gView.Framework.system.Logger.LogDebug("Start ArcXML SendRequest");
#endif
ArcIMSClass.Log(display as IServiceRequestContext, "GetImage Request", server, service, sb);
string resp = connector.SendRequest(sb, server, service);
ArcIMSClass.Log(display as IServiceRequestContext, "GetImage Response", server, service, resp);
#if (DEBUG)
gView.Framework.system.Logger.LogDebug("ArcXML SendRequest Finished");
#endif
XmlDocument doc = new XmlDocument();
doc.LoadXml(resp);
XmlNode outputNode = doc.SelectSingleNode("//IMAGE/OUTPUT");
XmlNode envelopeNode = doc.SelectSingleNode("//IMAGE/ENVELOPE");
if (ModifyResponseOuput != null)
{
ModifyResponseOuput(this, new ModifyOutputEventArgs(outputNode));
}
if (_image != null)
{
_image.Dispose();
_image = null;
}
#if (DEBUG)
//gView.Framework.system.Logger.LogDebug("Start ArcXML DownloadImage");
#endif
System.Drawing.Bitmap bm = null;
if (outputNode != null)
{
#if (DEBUG)
gView.Framework.system.Logger.LogDebug("Start ArcXML DownloadImage");
#endif
bm = WebFunctions.DownloadImage(outputNode /*_dataset._connector.Proxy*/);
#if (DEBUG)
gView.Framework.system.Logger.LogDebug("ArcXML DownloadImage Finished");
#endif
}
else
{
bm = null;
}
#if (DEBUG)
//gView.Framework.system.Logger.LogDebug("ArcXML DownloadImage Finished");
#endif
if (bm != null)
{
_image = new GeorefBitmap(bm);
//_image.MakeTransparent(display.TransparentColor);
if (envelopeNode != null &&
envelopeNode.Attributes["minx"] != null &&
envelopeNode.Attributes["miny"] != null &&
envelopeNode.Attributes["maxx"] != null &&
envelopeNode.Attributes["maxy"] != null)
{
_image.Envelope = new Envelope(
Convert.ToDouble(envelopeNode.Attributes["minx"].Value.Replace(".", ",")),
Convert.ToDouble(envelopeNode.Attributes["miny"].Value.Replace(".", ",")),
Convert.ToDouble(envelopeNode.Attributes["maxx"].Value.Replace(".", ",")),
Convert.ToDouble(envelopeNode.Attributes["maxy"].Value.Replace(".", ",")));
}
_image.SpatialReference = display.SpatialReference;
if (AfterMapRequest != null)
{
AfterMapRequest(this, display, _image);
}
}
return(_image != null);
}
catch (Exception ex)
{
ArcIMSClass.ErrorLog(context, "MapRequest", server, service, ex);
return(false);
}
}
public bool LegendRequest(gView.Framework.Carto.IDisplay display)
{
if (_dataset == null)
{
return(false);
}
List <IWebServiceTheme> themes = Themes;
if (themes == null)
{
return(false);
}
#region Check for visible Layers
bool visFound = false;
foreach (IWebServiceTheme theme in themes)
{
if (!theme.Visible)
{
continue;
}
if (theme.MinimumScale > 1 && theme.MinimumScale > display.mapScale)
{
continue;
}
if (theme.MaximumScale > 1 && theme.MaximumScale < display.mapScale)
{
continue;
}
visFound = true;
break;
}
if (!visFound)
{
if (_legend != null)
{
_legend.Dispose();
_legend = null;
}
return(true);
}
#endregion
string server = ConfigTextStream.ExtractValue(_dataset.ConnectionString, "server");
string service = ConfigTextStream.ExtractValue(_dataset.ConnectionString, "service");
string user = ConfigTextStream.ExtractValue(_dataset.ConnectionString, "user");
string pwd = ConfigTextStream.ExtractValue(_dataset.ConnectionString, "pwd");
IServiceRequestContext context = display.Map as IServiceRequestContext;
if ((user == "#" || user == "$") &&
context != null && context.ServiceRequest != null && context.ServiceRequest.Identity != null)
{
string roles = String.Empty;
if (user == "#" && context.ServiceRequest.Identity.UserRoles != null)
{
foreach (string role in context.ServiceRequest.Identity.UserRoles)
{
if (String.IsNullOrEmpty(role))
{
continue;
}
roles += "|" + role;
}
}
user = context.ServiceRequest.Identity.UserName + roles;
pwd = context.ServiceRequest.Identity.HashedPassword;
}
dotNETConnector connector = new dotNETConnector();
if (!String.IsNullOrEmpty(user) || !String.IsNullOrEmpty(pwd))
{
connector.setAuthentification(user, pwd);
}
if (_dataset.State != DatasetState.opened)
{
if (!_dataset.Open(context))
{
return(false);
}
}
try
{
StringBuilder sb = new StringBuilder();
sb.Append("<?xml version='1.0' encoding='utf-8'?>");
sb.Append("<ARCXML version='1.1'>");
sb.Append("<REQUEST>");
sb.Append("<GET_IMAGE>");
sb.Append("<PROPERTIES>");
sb.Append("<ENVELOPE minx='" + display.Envelope.minx.ToString() + "' miny='" + display.Envelope.miny.ToString() + "' maxx='" + display.Envelope.maxx.ToString() + "' maxy='" + display.Envelope.maxy.ToString() + "' />");
sb.Append("<IMAGESIZE width='" + display.iWidth + "' height='" + display.iHeight + "' />");
sb.Append("<BACKGROUND color='255,255,255' transcolor='255,255,255' />");
sb.Append(_dataset._properties.PropertyString);
sb.Append("<LAYERLIST>");
foreach (IWebServiceTheme theme in themes)
{
sb.Append("<LAYERDEF id='" + theme.LayerID + "' visible='" + (theme.Visible && !theme.Locked).ToString() + "'");
XmlNode xmlnode;
if (LayerRenderer.TryGetValue(theme.LayerID, out xmlnode))
{
sb.Append(">\n" + xmlnode.OuterXml + "\n</LAYERDEF>");
}
else if (theme.FeatureRenderer != null)
{
string renderer = ObjectFromAXLFactory.ConvertToAXL(theme.FeatureRenderer);
sb.Append(">\n" + renderer + "\n</LAYERDEF>");
}
else
{
sb.Append("/>");
}
}
sb.Append("</LAYERLIST>");
sb.Append("<DRAW map=\"false\" />");
sb.Append("<LEGEND font=\"Arial\" autoextend=\"true\" columns=\"1\" width=\"165\" height=\"170\" backgroundcolor=\"255,255,255\" layerfontsize=\"11\" valuefontsize=\"10\">");
sb.Append("<LAYERS />");
sb.Append("</LEGEND>");
sb.Append("</PROPERTIES>");
foreach (XmlNode additional in this.AppendedLayers)
{
sb.Append(additional.OuterXml);
}
sb.Append("</GET_IMAGE>");
sb.Append("</REQUEST>");
sb.Append("</ARCXML>");
ArcIMSClass.Log(display as IServiceRequestContext, "GetLegend Request", server, service, sb);
string resp = connector.SendRequest(sb, server, service);
ArcIMSClass.Log(display as IServiceRequestContext, "GetLegend Response", server, service, resp);
XmlDocument doc = new XmlDocument();
doc.LoadXml(resp);
XmlNode output = doc.SelectSingleNode("//LEGEND");
if (ModifyResponseOuput != null)
{
ModifyResponseOuput(this, new ModifyOutputEventArgs(output));
}
if (_legend != null)
{
_legend.Dispose();
}
_legend = WebFunctions.DownloadImage(output /*_dataset._connector.Proxy*/);
return(true);
}
catch (Exception ex)
{
ArcIMSClass.ErrorLog(context, "LegendRequest", server, service, ex);
return(false);
}
}
async public Task <bool> Open(IServiceRequestContext context)
{
if (_class == null)
{
_class = new ArcIMSClass(this);
}
string server = ConfigTextStream.ExtractValue(ConnectionString, "server");
string service = ConfigTextStream.ExtractValue(ConnectionString, "service");
string user = ConfigTextStream.ExtractValue(ConnectionString, "user");
string pwd = ConfigTextStream.ExtractValue(ConnectionString, "pwd");
//if ((user == "#" || user == "$") &&
// context != null && context.ServiceRequest != null && context.ServiceRequest.Identity != null)
//{
// string roles = String.Empty;
// if (user == "#" && context.ServiceRequest.Identity.UserRoles != null)
// {
// foreach (string role in context.ServiceRequest.Identity.UserRoles)
// {
// if (String.IsNullOrEmpty(role)) continue;
// roles += "|" + role;
// }
// }
// user = context.ServiceRequest.Identity.UserName + roles;
// pwd = context.ServiceRequest.Identity.HashedPassword;
//}
dotNETConnector connector = new dotNETConnector();
if (!String.IsNullOrEmpty(user) || !String.IsNullOrEmpty(pwd))
{
connector.setAuthentification(user, pwd);
}
try
{
_themes.Clear();
string axl = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><ARCXML version=\"1.1\"><REQUEST><GET_SERVICE_INFO fields=\"true\" envelope=\"true\" renderer=\"true\" extensions=\"true\" /></REQUEST></ARCXML>";
//string axl = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><ARCXML version=\"1.1\"><REQUEST><GET_SERVICE_INFO dpi=\"96\" toc=\"true\" /></REQUEST></ARCXML>";
await ArcIMSClass.LogAsync(context, "GetServiceInfo Response", server, service, axl);
axl = connector.SendRequest(axl, server, service);
await ArcIMSClass.LogAsync(context, "GetServiceInfo Response", server, service, axl);
XmlDocument doc = new XmlDocument();
doc.LoadXml(axl);
double dpi = 96.0;
XmlNode screen = doc.SelectSingleNode("//ENVIRONMENT/SCREEN");
if (screen != null)
{
if (screen.Attributes["dpi"] != null)
{
dpi = Convert.ToDouble(screen.Attributes["dpi"].Value.Replace(".", ","));
}
}
double dpm = (dpi / 0.0254);
XmlNode FeatureCoordSysNode = doc.SelectSingleNode("ARCXML/RESPONSE/SERVICEINFO/PROPERTIES/FEATURECOORDSYS");
_sRef = ArcXMLGeometry.AXL2SpatialReference(FeatureCoordSysNode);
foreach (XmlNode envelopeNode in doc.SelectNodes("//ENVELOPE"))
{
if (_envelope == null)
{
_envelope = new Envelope(envelopeNode);
}
else
{
_envelope.Union(new Envelope(envelopeNode));
}
}
foreach (XmlNode layerNode in doc.SelectNodes("//LAYERINFO[@id]"))
{
bool visible = true;
if (layerNode.Attributes["visible"] != null)
{
bool.TryParse(layerNode.Attributes["visible"].Value, out visible);
}
XmlNode tocNode = layerNode.SelectSingleNode("TOC");
if (tocNode != null)
{
ReadTocNode(tocNode);
}
IClass themeClass = null;
IWebServiceTheme theme;
if (layerNode.Attributes["type"] != null && layerNode.Attributes["type"].Value == "featureclass")
{
themeClass = await ArcIMSThemeFeatureClass.CreateAsync(this, layerNode.Attributes["id"].Value);
((ArcIMSThemeFeatureClass)themeClass).Name = layerNode.Attributes["name"] != null ? layerNode.Attributes["name"].Value : layerNode.Attributes["id"].Value;
((ArcIMSThemeFeatureClass)themeClass).fieldsFromAXL = layerNode.InnerXml;
((ArcIMSThemeFeatureClass)themeClass).SpatialReference = _sRef;
XmlNode FCLASS = layerNode.SelectSingleNode("FCLASS[@type]");
if (FCLASS != null)
{
((ArcIMSThemeFeatureClass)themeClass).fClassTypeString = FCLASS.Attributes["type"].Value;
}
foreach (XmlNode child in layerNode.ChildNodes)
{
switch (child.Name)
{
case "SIMPLERENDERER":
case "SIMPLELABELRENDERER":
case "VALUEMAPRENDERER":
case "SCALEDEPENDENTRENDERER":
case "VALUEMAPLABELRENDERER":
case "GROUPRENDERER":
((ArcIMSThemeFeatureClass)themeClass).OriginalRendererNode = child;
break;
}
}
theme = LayerFactory.Create(themeClass, _class as IWebServiceClass) as IWebServiceTheme;
if (theme == null)
{
continue;
}
theme.Visible = visible;
}
else if (layerNode.Attributes["type"] != null && layerNode.Attributes["type"].Value == "image")
{
//themeClass = new ArcIMSThemeRasterClass(this,
// layerNode.Attributes["name"] != null ? layerNode.Attributes["name"].Value : layerNode.Attributes["id"].Value);
themeClass = new ArcIMSThemeRasterClass(this, layerNode.Attributes["id"].Value);
((ArcIMSThemeRasterClass)themeClass).Name = layerNode.Attributes["name"] != null ? layerNode.Attributes["name"].Value : layerNode.Attributes["id"].Value;
theme = new WebServiceTheme(
themeClass,
themeClass.Name,
layerNode.Attributes["id"].Value,
visible,
_class as IWebServiceClass);
}
else
{
continue;
}
try
{
if (layerNode.Attributes["minscale"] != null)
{
theme.MinimumScale = Convert.ToDouble(layerNode.Attributes["minscale"].Value.Replace(".", ",")) * dpm;
}
if (layerNode.Attributes["maxscale"] != null)
{
theme.MaximumScale = Convert.ToDouble(layerNode.Attributes["maxscale"].Value.Replace(".", ",")) * dpm;
}
}
catch { }
_themes.Add(theme);
}
_state = DatasetState.opened;
((ArcIMSClass)_class).SpatialReference = await this.GetSpatialReference();
return(true);
}
catch (Exception ex)
{
_state = DatasetState.unknown;
_errMsg = ex.Message;
await ArcIMSClass.ErrorLog(context, "Open Dataset", server, service, ex);
return(false);
}
}