My Query
=======
string acc = @"<fetch version='1.0' output-format='xml-platform' mapping='logical' distinct='false' aggregate='true'>
<entity name='account'>
<attribute name='mi_totalamountdue' alias='sumoftotalcharges' aggregate='sum' />
<attribute name='accountid' alias='accountid' groupby='true' />
</entity>
</fetch>";
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paging cookie Method(Get It From MSDN)
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public EntityCollection GetAllRecords(string fetchXml, IOrganizationService orgService)
{
try
{
int fetchCount = 5000;
// Initialize the page number.
int pageNumber = 1;
// Specify the current paging cookie. For retrieving the first page,
// pagingCookie should be null.
string pagingCookie = null;
while (true)
{
// Build fetchXml string with the placeholders.
string xml = CreateXml(fetchXml, pagingCookie, pageNumber, fetchCount);
// Excute the fetch query and get the xml result.
RetrieveMultipleRequest fetchRequest1 = new RetrieveMultipleRequest
{
Query = new FetchExpression(xml)
};
EntityCollection returnCollection = ((RetrieveMultipleResponse)orgService.Execute(fetchRequest1)).EntityCollection;
foreach (var c in returnCollection.Entities)
{
recordsList.Entities.Add(c);
}
// Check for morerecords, if it returns 1.
if (returnCollection.MoreRecords)
{
// Increment the page number to retrieve the next page.
pageNumber++;
// Set the paging cookie to the paging cookie returned from current results.
pagingCookie = returnCollection.PagingCookie;
}
else
{
// If no more records in the result nodes, exit the loop.
break;
}
}
return recordsList;
}
// Catch any service fault exceptions that Microsoft Dynamics CRM throws.
catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault>)
{
// You can handle an exception here or pass it back to the calling method.
throw;
}
return recordsList;
}
public string CreateXml(string xml, string cookie, int page, int count)
{
StringReader stringReader = new StringReader(xml);
XmlTextReader reader = new XmlTextReader(stringReader);
// Load document
XmlDocument doc = new XmlDocument();
doc.Load(reader);
return CreateXml(doc, cookie, page, count);
}
public string CreateXml(XmlDocument doc, string cookie, int page, int count)
{
XmlAttributeCollection attrs = doc.DocumentElement.Attributes;
if (cookie != null)
{
XmlAttribute pagingAttr = doc.CreateAttribute("paging-cookie");
pagingAttr.Value = cookie;
attrs.Append(pagingAttr);
}
XmlAttribute pageAttr = doc.CreateAttribute("page");
pageAttr.Value = System.Convert.ToString(page);
attrs.Append(pageAttr);
XmlAttribute countAttr = doc.CreateAttribute("count");
countAttr.Value = System.Convert.ToString(count);
attrs.Append(countAttr);
StringBuilder sb = new StringBuilder(1024);
StringWriter stringWriter = new StringWriter(sb);
XmlTextWriter writer = new XmlTextWriter(stringWriter);
doc.WriteTo(writer);
writer.Close();
return sb.ToString();
}
