/// <summary>
/// This operation adds, updates and deletes features to the associated feature layer or table in a single call (POST only).
/// The apply edits operation is performed on a feature service layer resource. The results of this operation are 3 arrays of edit results (for adds, updates, and deletes respectively).
/// Each edit result identifies a single feature and indicates if the edits were successful or not. If not, it also includes an error code and an error description.
/// </summary>
/// <param name="type"></param>
private void EditFeatureService(EditType type, string geometryDef, string attributess)
{
string formattedRequest = string.Empty;
string jsonResponse = string.Empty;
string jsonToSend = string.Empty;
string attributes = string.Empty;
string url = CompleteServiceUrl();
switch (type)
{
case EditType.add:
{
//NB: implementation from another project. Commented out so that the developer can see how to create this kind of
// REST call, but not of functional importance to what is being displayed herein.
//if (_dataTable.Rows.Count == 0)
// return;
//object[] row = _dataTable.Rows[_dataTable.Rows.Count - 1].ItemArray;
//attributes = "\"attributes\":{\"";
//int counter = 0;
//foreach (DataColumn column in _dataTable.Columns)
//{
// attributes += string.Format("{0}\":\"{1}\",\"", column.ColumnName, row[counter].ToString());
// counter++;
//}
//attributes = attributes.Remove(attributes.Length - 2, 2);
////NB: Sample does not provide an entry method for the user to enter an XY for the Geom value.
////this is for demo purposes with a point feature service with the spatial ref as below.
////Users of this code need to build this functionality into their app, either with text input or map click.
////Supplied XY places a point on the Coronado Bridge, San Diego, California
////jsonToSend = string.Format("adds=[{\"geometry\":{\"x\":-13041634.9497585,\"y\":3853952.46755234,\"spatialReference\":{\"wkid\":102100, \"latestWkid\" = 3857}},{0}}}]", attributes);
//jsonToSend = "adds=[{\"geometry\":{\"x\":-13041634.9497585,\"y\":3853952.46755234,\"spatialReference\":{\"wkid\":102100, \"latestWkid\" = 3857}}," + attributes + "}}]";
break;
}
case EditType.delete:
{
try
{
//NB: implementation from another project. Commented out so that the developer can see how to create this kind of
// REST call, but not of functional importance to what is being displayed herein.
//jsonToSend = string.Format("deletes={0}", GetSelectedRowFID());
//_featureEditResponse = RequestAndResponseHandler.FeatureEditRequest(url, jsonToSend, out jsonResponse);
}
catch { }
break;
}
case EditType.update:
{
jsonToSend = "updates=[{\"" + geometryDef + ",\"spatialReference\":{\"wkid\":102100, \"latestWkid\":3857}},\"" + attributess + "}]";
break;
}
default:
break;
}
_featureEditResponse = RequestAndResponseHandler.FeatureEditRequest(url, jsonToSend, out jsonResponse);
}
/// <summary>
/// This operation adds, updates and deletes features to the associated feature layer or table(POST only).
/// </summary>
/// <param name="type"></param>
private void EditFeatureService(EditType type, GeometryType geomType, MyPoint myPoint, MyPoly myPoly)
{
string formattedRequest = string.Empty;
string jsonResponse = string.Empty;
string jsonToSend = string.Empty;
string attributes = string.Empty;
string geometry = string.Empty;
string url = CompleteServiceUrl();
switch (type)
{
case EditType.add:
{
attributes = "\"attributes\":{\"";
int counter = 0;
if (_records != null)
{
foreach (IDataRecord record in _records)
{
foreach (string field in _fieldNames)
{
attributes += string.Format("{0}\":\"{1}\",\"", field, record[counter].ToString());
counter++;
}
break;
}
}
if (counter == 0) //no records added. Create a dummy record.
{
foreach (DataGridViewRow row in dataGridViewFields.Rows)
{
//todo: did I set a default color symbol?
attributes += string.Format("{0}\":\"{1}\",\"", row.Cells[0].FormattedValue.ToString(), null);
}
}
//remove the excess. Meaning remove the trailing rubbish
attributes = attributes.Remove(attributes.Length - 8);
if (geomType == GeometryType.polygon)
{
//Polygon geometry
MyPoint p;
jsonToSend = "adds=[{\"geometry\":{\"rings\":[[";
for (int i = 0; i < myPoly.Ring.Count; i++)
{
p = myPoly.Ring[i];
jsonToSend += "[" + p.X + "," + p.Y + "],";
}
jsonToSend = jsonToSend.Remove(jsonToSend.Length - 1, 1);
jsonToSend += "]],\"spatialReference\":{\"wkid\":102100}}," + attributes + "}}]";
//example
// [{"geometry":{"rings":[[[-8304737.273855386,5018862.730810074],[-8286086.638953812,5017945.486470653],[-8280583.172917282,5006632.806284452],
//[-8303820.029515964,4995931.622324532],[-8322164.916304397,5006938.554397592],[-8304737.273855386,5018862.730810074]]],
//"spatialReference":{"wkid":102100}},"attributes":{"BUFF_DIST":"3","BufferArea":null,"BufferPerimeter":null}}]
}
else
{
//NB: Sample does not provide an entry method for the user to enter an XY for point geom types.
//this is for demo purposes with a point feature service with the spatial ref as set below.
//Users of this code need to build this functionality into their app, either with text input or map click.
//Supplied XY places a point on the Coronado Bridge, San Diego, California
jsonToSend = "adds=[{\"geometry\":{\"x\":" + myPoint.X + ",\"y\":" + myPoint.Y + ",\"spatialReference\":{\"wkid\":102100}}," + attributes + "}}]";
}
break;
}
case EditType.delete:
{
break;
}
case EditType.update:
{
break;
}
default:
break;
}
//Make the HttpWebRequest
_featureEditResponse = RequestAndResponseHandler.FeatureEditRequest(url, jsonToSend, out jsonResponse);
switch (type)
{
case EditType.add:
{
if (_featureEditResponse.addResults == null)
break;
lblEditingResponse.Text = string.Format("Success: {0}, ObjectID: {1}, GlobalID: {2}, Error: {3}", _featureEditResponse.addResults[0].success,
_featureEditResponse.addResults[0].objectId, _featureEditResponse.addResults[0].globalId, _featureEditResponse.addResults[0].error);
break;
}
case EditType.delete:
{
break;
}
case EditType.update:
{
break;
}
default:
break;
}
}
