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Custom Worfklow Activity CRM 2013 RRS feed

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    Hi,

    I'm trying to make a Custom Workflow Activity in crm2013. CWA connect to the external database and execute select command. Unfortunatelly dataset is empty and i have this exception:

    "Value cannot be null.Parameter name: source'"

    This is my code :

            public void GetData(string dsName, string tablName, string query) {
            try {
                SqlDataAdapter adapter = new SqlDataAdapter();
                adapter.TableMappings.Add("Table", tablName);
                SqlCommand command = new SqlCommand(query, this.sqlConnection);
                
                
                command.CommandType = CommandType.Text;
                adapter.SelectCommand = command;
                

                dataSet = new DataSet(dsName);
                adapter.Fill(dataSet);
                
            } catch (Exception ex) { }
        }

    sqlConnection is open.

    What is wrong in this code ?

    Saturday, June 28, 2014 1:58 PM