Ejemplo n.º 1
0
        public DataTable GetConnectionObjects(eDBObjectType objectType)
        {
            DataTable objSchemaTable = null;
            string strobjectType = "";

            switch (objectType)
            {
                case eDBObjectType.Table:
                    {
                        strobjectType = "TABLE";
                        break;
                    }
                case eDBObjectType.View:
                    {
                        strobjectType = "VIEW";
                        break;
                    }
            }

            try
            {
                if (mobjOLEConnection == null)
                {
                    mobjOLEConnection = GetOLEConnection(mstrADOConnectionString);
                }
                mobjOLEConnection.Open();
                switch (objectType)
                {
                    case eDBObjectType.Procedure:
                        {
                            objSchemaTable =
    mobjOLEConnection.GetOleDbSchemaTable(OleDbSchemaGuid.Procedures, new
    object[] { null, null, null, null });
                            break;
                        }
                    default:
                        {
                            objSchemaTable =
    mobjOLEConnection.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, strobjectType });
                            break;
                        }
                }
                mobjOLEConnection.Close();
            }
            catch (Exception ex)
            {
                // Don//t throw, a test of objSchemaTable = null is made by caller
                Console.WriteLine(ex.ToString());
            }
            finally
            {
                if (mobjOLEConnection.State != ConnectionState.Closed)
                {
                    mobjOLEConnection.Close();
                }
            }

            return objSchemaTable;

        }
Ejemplo n.º 2
0
        public DataTable GetConnectionObjects(string businessClass, eDBObjectType
objectType, string[] includedSPs)
        {
            DataTable objSchemaTable = null;
            string strobjectType = "";

            switch (objectType)
            {
                case eDBObjectType.Table:
                    {
                        strobjectType = "TABLE";
                        break;
                    }
                case eDBObjectType.View:
                    {
                        strobjectType = "VIEW";
                        break;
                    }
            }

            try
            {
                if (mobjOLEConnection == null)
                {
                    mobjOLEConnection = GetOLEConnection(mstrADOConnectionString);
                }
                mobjOLEConnection.Open();
                switch (objectType)
                {
                    case eDBObjectType.Procedure:
                        objSchemaTable =
mobjOLEConnection.GetOleDbSchemaTable(OleDbSchemaGuid.Procedures, new
object[] { null, null, null, null });
                        break;
                    default:
                        objSchemaTable =
mobjOLEConnection.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { 
null, null, null, strobjectType });
                        break;
                }
                mobjOLEConnection.Close();
            }
            catch (Exception ex)
            {
                // Don//t throw, a test of objSchemaTable = null is made by caller
                Console.WriteLine(ex.ToString());
            }
            finally
            {
                if (mobjOLEConnection.State != ConnectionState.Closed)
                {
                    mobjOLEConnection.Close();
                }
            }

            /*
            if (businessClass != "")
            {
                objSchemaTable = FilterObjectsByClass(objSchemaTable, businessClass);
                if (includedSPs != null)
                {
                    objSchemaTable = FilterObjectsBySelection(objSchemaTable, includedSPs);
                }
            }
            */

            return objSchemaTable;
        }