First Write a function to get lookup
function GetLookup(FieldName) {
var lookup = Xrm.Page.data.entity.attributes.get(FieldName)
if (lookup == null) { return null; };
var lookupObj = lookup.getValue();
return lookupObj[0];
}
1- To Get Lookup Id.
function GetLookupId(fieldName) {
var lookup = GetLookup(fieldName);
if (lookup != null) {
return lookup.id;
}
return null;
}
2- To Get Lookup Name.
function GetLookupName(fieldName) {
var lookup = GetLookup(fieldName);
if (lookup != null) {
return lookup.name;
}
return null;
}
3- To Get Lookup Entity Type.
function GetLookupEntityType(fieldName) {
var lookup = GetLookup(fieldName);
if (lookup != null) {
return lookup.entityType;
}
return null;
}
