topic Returning long string from IObjectClassValidation Validate methods crashes ArcMap 10 in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/returning-long-string-from-iobjectclassvalidation/m-p/325928#M8487 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>platform Win XP, ArcMap 10 without SP1 (and reproducable on ArcMap 10 SP1), ArcObjects for .NET.</SPAN><BR /><BR /><SPAN>Returning long string from IObjectClassValidation.ValidateField, ValidateRow crashes ArcMap 10 (needs to close). IObjectClassValidation is implemented by class extension.</SPAN><BR /><BR /><SPAN>String that when returned from ValidateRow was:</SPAN><BR /><BR /><SPAN style="font-style:italic;">If 'Ledningstyp' is 'Servisledning' then 'Ursprung ledningsmaterial' cannot be ''. Valid values: 'Odef','Betong','Flexoren','Galvjärn','Gjutjärn','Polyeten tryckrör','Polyeten-hård','Plaströr polyeten','Polyeten mjuk','Polyeten','Polyvinylklorid','Segjärn'</SPAN><BR /><BR /><SPAN>I found that stripping string to 200 characters long is OK. (Oh yes, spent some time converting national chars to latin chars but that did not help).</SPAN><BR /><BR /><A href="http://help.arcgis.com/en/sdk/10.0/arcobjects_net/componenthelp/index.html#/ValidateRow_Method/002500000624000000/">Documentation</A><SPAN> says about string to be returned:</SPAN><BR /><SPAN style="font-style:italic;">If the field or row is invalid, an appropriate error string should be returned. Otherwise, return a zero length string.</SPAN><BR /><BR /><SPAN>Anyone knows what "appropriate error string" is and why our string was not "appropriate" enough? </SPAN><BR /><BR /><SPAN>Regards,</SPAN></BODY></HTML> Wed, 12 Jan 2011 15:20:40 GMT RemigijusPankevicius 2011-01-12T15:20:40Z Returning long string from IObjectClassValidation Validate methods crashes ArcMap 10 https://community.esri.com/t5/arcobjects-sdk-questions/returning-long-string-from-iobjectclassvalidation/m-p/325928#M8487 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>platform Win XP, ArcMap 10 without SP1 (and reproducable on ArcMap 10 SP1), ArcObjects for .NET.</SPAN><BR /><BR /><SPAN>Returning long string from IObjectClassValidation.ValidateField, ValidateRow crashes ArcMap 10 (needs to close). IObjectClassValidation is implemented by class extension.</SPAN><BR /><BR /><SPAN>String that when returned from ValidateRow was:</SPAN><BR /><BR /><SPAN style="font-style:italic;">If 'Ledningstyp' is 'Servisledning' then 'Ursprung ledningsmaterial' cannot be ''. Valid values: 'Odef','Betong','Flexoren','Galvjärn','Gjutjärn','Polyeten tryckrör','Polyeten-hård','Plaströr polyeten','Polyeten mjuk','Polyeten','Polyvinylklorid','Segjärn'</SPAN><BR /><BR /><SPAN>I found that stripping string to 200 characters long is OK. (Oh yes, spent some time converting national chars to latin chars but that did not help).</SPAN><BR /><BR /><A href="http://help.arcgis.com/en/sdk/10.0/arcobjects_net/componenthelp/index.html#/ValidateRow_Method/002500000624000000/">Documentation</A><SPAN> says about string to be returned:</SPAN><BR /><SPAN style="font-style:italic;">If the field or row is invalid, an appropriate error string should be returned. Otherwise, return a zero length string.</SPAN><BR /><BR /><SPAN>Anyone knows what "appropriate error string" is and why our string was not "appropriate" enough? </SPAN><BR /><BR /><SPAN>Regards,</SPAN></BODY></HTML> Wed, 12 Jan 2011 15:20:40 GMT https://community.esri.com/t5/arcobjects-sdk-questions/returning-long-string-from-iobjectclassvalidation/m-p/325928#M8487 RemigijusPankevicius 2011-01-12T15:20:40Z