delphi中如何实现EXCEL导入/导出到SQL Server数据库？

delphi中怎么实现EXCEL导入/导出到SQL Server数据库？急！
要求：1、EXCEL表的内容导入到SQL   Server数据库某表
            2、把SQL   Server数据库某表的内容导出到EXCEL表
我比较弱，第一次做导入导出，希望大虾们说详细点，感激！

------解决方案--------------------
Procudure ExcelToSqlserver;
var
i,j: integer;
ExcelApplication1:TExcelApplication;
ExcelWorksheet1:TExcelWorksheet;
ExcelWorkbook1:TExcelWorkbook;
filename: string;
begin
btn2Click(Self);
filename:=Edt_1.Text;//文件名
try
ExcelApplication1:=TExcelApplication.Create(Application);
ExcelWorksheet1:=TExcelWorksheet.Create(Application);
ExcelWorkbook1:=TExcelWorkbook.Create(Application);
ExcelApplication1.Connect;
except
Application.Messagebox( 'Excel没有安装! ', 'Hello ', MB_ICONERROR + mb_Ok);
Abort;
end;

Try
ExcelWorkbook1.ConnectTo(ExcelApplication1.Workbooks.Open(fileName,EmptyParam,EmptyParam,
EmptyParam,EmptyParam,EmptyParam,EmptyParam,EmptyParam,EmptyParam,
EmptyParam,EmptyParam,EmptyParam,EmptyParam,0));

ExcelWorkbook1.ConnectTo(ExcelApplication1.Workbooks[1]);
ExcelWorksheet1.ConnectTo(ExcelWorkbook1.Worksheets[1] as _worksheet);
Except
Exit;
end;
i :=2;//开始导入行数
// j :=100;//默认导入总行数
j := ExcelApplication1.Rows.Count;


try
tblTA.Open; //要导入的表
while i <=j do
begin
if trim(ExcelWorksheet1.cells.item[i,1]) <> ' ' then
begin
tblTA.AppendRecord([
ExcelWorksheet1.Cells.Item[i,1],//第i行第1列.
ExcelWorksheet1.Cells.Item[i,2],//第i行第2列.
ExcelWorksheet1.Cells.Item[i,3],//第i行第3列.
ExcelWorksheet1.Cells.Item[i,4],//第i行第1列.
ExcelWorksheet1.Cells.Item[i,5],//第i行第2列.
ExcelWorksheet1.Cells.Item[i,6],//第i行第3列.
ExcelWorksheet1.Cells.Item[i,7],//第i行第1列.
ExcelWorksheet1.Cells.Item[i,8],//第i行第2列.
ExcelWorksheet1.Cells.Item[i,9],//第i行第3列.
ExcelWorksheet1.Cells.Item[i,10],//第i行第3列.
ExcelWorksheet1.Cells.Item[i,11]//第i行第3列.
]);

end else Break;
Inc(i);
end;
finally
tblTA.close;
tblTA.Open;
showMessage( '数据导入完毕！ ');
end;

try
ExcelApplication1.Disconnect;
ExcelApplication1.Quit;
ExcelApplication1.Free;
ExcelWorksheet1.Free;
ExcelWorkbook1.Free;
except
showMessage( '关闭出错！ ');
end;

end;
------解决方案--------------------
procedure ToExcel;
var
RangeE:Excel97.Range;
Row:Integer;
Bookmark1:TBookmarkStr;
procedure InsertRecord();
var
I:Integer;
str : string;
begin
with ADOQuery1 do
begin
//加入字段标题
RangeE:=ExcelApplication1.ActiveCell;
for I:=0 to Fields.Count -1 do
begin
RangeE.Value:=Fields[I].DisplayLabel;