An exception of type 'System.Data.SqlClient.SqlException' occurred in CA.Service.dll but was not handled in user code Additional information: Incorrect syntax near 'dbo'.

public DataSet GetAllActiveTraining(int CompanyId)
        {
            try
            {
                SqlConnection conn = new SqlConnection(objConnection.GetConnection());
                DataSet DsLoginData = new DataSet();
DsLoginData = SqlHelper.SqlHelper.ExecuteDataset(conn, CommandType.Text, "Select a.DocumentId,a.Title form [dbo].[Document] AS a inner join [dbo].[companydocument] AS b on (a.DocumentId=b.DocumentId) where a.hastest=1 and b.CompanyId=" + CompanyId + "order by a.Title ASC");
                DsLoginData.Tables[0].TableName = "trainingmodule";

                return DsLoginData;

            }
            catch (Exception)
            {

                throw;
            }
        }