1. Any one like to use it, be my guest.
2. Any one has any comment on it, please :)
Note: I am a biginner in Delphi, so please manage your expectation. Thanks.
[
unit LIB_DATA_ACCESS;
interface
uses
Windows, SysUtils, Variants, DB, ADODB;
const
CONNECTION_STRING='Provider=Microsoft.Jet.OLEDB.4.0;Data Source=data\test.mdb;Persist Security Info=False;Jet OLEDB:Database Password=******';
Type
TResultSet = Array of Array of Variant;
function ExecuteQuery( Conn:TADOConnection; Query:TADOQuery; Sql : String;
Parameters : Array of String;
Values : Array of Variant): TResultSet;
function ExecuteUpdate( Conn:TADOConnection; Query:TADOQuery; Sql : String;
Parameters : Array of String; Values : Array of Variant ): Integer;
implementation
function ExecuteQuery(Conn:TADOConnection; Query:TADOQuery; Sql : String;
Parameters : Array of String;
Values : Array of Variant): TResultSet;
var
tempArray : TResultSet;
row_index : Integer;
col_index : Integer;
i : Integer;
ColumnSize : Integer;
begin
Conn.ConnectionString := CONNECTION_STRING;
Conn.LoginPrompt := False;
Query.Connection := CONN;
if Query.Active then
begin
Query.Close;
end;
try
Query.SQL.Clear;
Query.SQL.Add(Sql);
if Length(Parameters) > 0 then
begin
for i := 0 to (Length(Parameters) - 1) do
begin
Query.Parameters.ParamByName(Parameters[i]).Value := Values[i];
end;
end;
Query.Open;
SetLength(tempArray, Query.RecordCount);
row_index := 0;
while not Query.Eof do
begin
ColumnSize := Query.Recordset.Fields.Count;
SetLength(tempArray[row_index], ColumnSize);
col_index := 0;
for i := 0 to (ColumnSize - 1) do
begin
tempArray[row_index][col_index] := Query.Recordset.Fields[i].Value;
col_index := col_index + 1;
end;
row_index := row_index + 1;
Query.Next;
end;
finally
Query.Close;
Conn.Close;
Result := tempArray;
end;
end;
function ExecuteUpdate( Conn:TADOConnection; Query:TADOQuery; Sql : String;
Parameters : Array of String;
Values : Array of Variant): Integer;
var
i : Integer;
begin
Conn.ConnectionString := CONNECTION_STRING;
Conn.LoginPrompt := False;
Query.Connection := CONN;
if Query.Active then
begin
Query.Close;
end;
try
Query.SQL.Clear;
Query.SQL.Add(Sql);
if Length(Parameters) > 0 then
begin
for i := 0 to (Length(Parameters) - 1) do
begin
Query.Parameters.ParamByName(Parameters[i]).Value := Values[i];
end;
end;
// Query.Open;
Result := Query.ExecSQL;
finally
Query.Close;
Conn.Close;
end;
end;
end.
]
