{"id":30,"date":"2020-05-08T15:14:33","date_gmt":"2020-05-08T07:14:33","guid":{"rendered":"https:\/\/www.cuishaofeng.com\/?p=30"},"modified":"2024-10-22T14:47:09","modified_gmt":"2024-10-22T06:47:09","slug":"tdatasource-%e6%8e%a7%e4%bb%b6%e4%b8%8e-tdbgrid-%e6%8e%a7%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.cuishaofeng.com\/?p=30","title":{"rendered":"TdataSource \u63a7\u4ef6\u4e0e TDBGrid \u63a7\u4ef6"},"content":{"rendered":"
<\/div>\n

dataSource \u63a7\u4ef6\u4e0e TDBGrid \u63a7\u4ef6\u5728\u6570\u636e\u5e93\u5f00\u53d1\u4e2d\u7ecf\u5e38\u662f\u6210\u5bf9\u51fa\u73b0\u7684\u3002\u4f5c\u4e3a\u6570\u636e\u5e93\u611f\u5e94\u63a7\u4ef6\uff0cTDBGrid\u63a7\u4ef6\u4e3b\u8981\u4f5c\u7528\u662f\u901a\u8fc7TdataSource\u63a7\u4ef6\u8fde\u63a5\u6570\u636e\u96c6\uff08\u5982TADOQUery\uff09\u4ee5\u5404
\u79cd\u65b9\u5f0f\u663e\u793a\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff0c\u5e76\u63d0\u4f9b\u5ba2\u6237\u7aef\u6d4f\u89c8\u7684\u754c\u9762\u3002<\/p>\n\n\n\n

1\uff0eTdataSource \u63a7\u4ef6
TdataSource \u63a7\u4ef6\u662f\u4e0d\u53ef\u89c6\u7684\uff0c \u662f\u8054\u7cfb\u6570\u636e\u611f\u5e94\u63a7\u4ef6 \uff08TDBGrid\uff09 \u548c\u6570\u636e\u96c6 \uff08TADOQuery\uff09\u7684\u6865\u6881\uff0c\u5b83\u4f4d\u4e8e\u6570\u636e\u8bbf\u95ee\u63a7\u4ef6\u677f\u4e0a\uff0c\u5982\u56fe \u6240\u793a\uff1a<\/p>\n\n\n\n

2\uff0eTDBGrid \u63a7\u4ef6<\/p>\n\n\n\n

TDBGrid\u63a7\u4ef6\u662f\u663e\u793a\u548c\u7f16\u8f91\u6570\u636e\u5e93\u4e2d\u8868\u7684\u91cd\u8981\u63a7\u4ef6\uff0c\u5229\u7528\u8be5\u63a7\u4ef6\u53ef\u4ee5\u8bbe\u8ba1\u4e00\u4e2a\u7075\u6d3b\u7684\u7528\u6237\u754c\u9762\u3002\u5b83\u4f4d\u4e8e\u6570\u636e\u63a7\u5236Data Controls\u63a7\u4ef6\u677f\u4e0a\uff0c\u5982\u56fe \u6240\u793a\uff1a<\/p>\n\n\n\n

3\uff0eTdataSource \u63a7\u4ef6\u4e0e TDBGrid \u63a7\u4ef6\u4f7f\u7528\u5b9e\u4f8b\uff1a<\/p>\n\n\n\n

\u5728\u8fd9\u91cc\u4f9d\u7136\u4f7f\u7528delphi\u5f00\u53d1\u5b66\u4e60\u4e00\u4e2d\u521b\u5efa\u7684\u5de5\u7a0bADOtest\u3002\u5728\u5de5\u7a0bADOtest\u4e0b\u65b0\u5efaTdatafrm\u7a97\u4f53\uff0c\u4f5c\u4e3aTdataSource \u4e0e TDBGrid \u63a7\u4ef6\u4f7f\u7528\u5b9e\u4f8b\u754c\u9762\u3002<\/p>\n\n\n\n

\uff081\uff09\u5728\u7a97\u4f53Tdatafrm\u4e0a\u521b\u5efa\u63a7\u4ef6\u5bf9\u8c61dataSource1\u3001DBGride1\u548cADOQuery1\uff0c\u53ca\u6309\u94ae\u63a7\u4ef6\u5bf9\u8c61Button1\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n

(2)\u5c06DBGrid1\u7684DataSource\u5c5e\u6027\u8bbe\u4e3aDataSource1\uff0cOptions \u4e0b\u7684 dgEditing\u3001dgRowSelect,\u548c dgAlwaysShowSelection \u5c5e\u6027\u5206\u522b\u8bbe\u4e3a False\u3001True\u3001True\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n

\uff083\uff09\u5c06 DataSource1 \u7684 DataSet \u5c5e\u6027\u8bbe\u4e3a ADOQuery1\u3002
\uff084\uff09\u5c06 ADOQuery1 \u7684 Connection \u5c5e\u6027\u503c\u8bbe\u4e3a dlink.adoconnection1\u3002\u901a\u8fc7\u201c\u67e5\u770b\u201d\u6309\u94ae\u53ef\u4ee5\u5c06\u67e5\u8be2\u7684\u8bb0\u5f55\u5728 DBGrid \u4e2d\u663e\u793a\u51fa\u6765\uff0c \u201c\u67e5\u770b\u201d\u6309\u94ae\u7684\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n

procedure TTdatafrm.Button1Click(Sender: TObject);
begin
ADOQuery1.close;
ADOQuery1.SQL.Clear;
ADOQuery1.SQL.Add(\u2018select * from BASE_DATA\u2019);
ADOQuery1.Open;
end;<\/p>\n\n\n\n

\u6b64\u4f8b\u5b50\u901a\u8fc7\u63a7\u4ef6\u5bf9\u8c61 DataSource1 \u6765\u4f5c\u4e3a\u6570\u636e\u611f\u5e94\u63a7\u4ef6 DBGrid1 \u548c\u6570\u636e\u96c6 ADOQuery1\u7684\u8fde\u63a5\u6865\u6881\uff0c\u5c06\u6570\u636e\u96c6\u67e5\u8be2\u5230\u7684\u8bb0\u5f55\u4fe1\u606f\u901a\u8fc7 DBGrid1 \u663e\u793a\u51fa\u6765\uff0c\u8fd0\u884c\u540e\u6548\u679c\u5982\u56fe\u6240\u793a\uff1a \u5bf9\u4e8e DBGrid1 \u7684 Options \u5c5e\u6027\u4e0b\u7684\u4e0d\u540c\u9009\u9879\u7684\u4e0d\u540c\u8bbe\u7f6e\u4f1a\u4f7f\u6700\u540e\u7684\u6570\u636e\u663e\u793a\u4ea7\u751f\u4e0d\u540c\u7684\u6548\u679c\u3002
<\/p>\n","protected":false},"excerpt":{"rendered":"

dataSource \u63a7\u4ef6\u4e0e TDBGrid \u63a7\u4ef6\u5728\u6570\u636e\u5e93\u5f00\u53d1\u4e2d\u7ecf\u5e38\u662f\u6210\u5bf9\u51fa\u73b0\u7684\u3002\u4f5c\u4e3a\u6570\u636e\u5e93\u611f\u5e94\u63a7\u4ef6\uff0cTDBGrid\u63a7\u4ef6\u4e3b\u8981\u4f5c\u7528\u662f\u901a\u8fc7TdataSource\u63a7\u4ef6\u8fde\u63a5\u6570\u636e\u96c6\uff08\u5982TADOQUery\uff09\u4ee5\u5404\u79cd\u65b9\u5f0f\u663e\u793a\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff0c\u5e76\u63d0\u4f9b\u5ba2\u6237\u7aef\u6d4f\u89c8…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13,1],"tags":[114],"topic":[],"_links":{"self":[{"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/posts\/30"}],"collection":[{"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=30"}],"version-history":[{"count":1,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/posts\/30\/revisions"}],"predecessor-version":[{"id":31,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/posts\/30\/revisions\/31"}],"wp:attachment":[{"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=30"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}