In Sql Out parameter meaasge is 'CM0001' else Allredy Regi'

Select @Error

 

Error code output 'CM0001'

 

C# Code obj=cmd.Executenonquery();

 

in this execute nonquery return int but i want to display string its conversion error please help me

 

output is'CM0001'

 

string  Consumer = Convert.ToString(SqlHelper.ExecuteNonQuery(myConnectionString, "Proc", arParamsOwners));
// object  Consumer =Convert.ToString(SqlHelper.ExecuteDataset(myConnectionString, "Proc", arParamsOwners));

object Consumer = SqlHelper.ExecuteScalar(myConnectionString, "Proc", arParamsOwners);