實現考勤資訊管理系統
泛型集合list的新增，查詢和刪除操作
使用泛型集合繫結datagridview
用list繫結datagridview控制項的方法
datagridview 物件.datasource=list 物件；
當list 物件中的資料經過修改，新增或者刪除操作後，需要經過轉換才能正確繫結。
假如datagridview物件是mydgv，list物件是mylist，則用mylist繫結mydgv時**如下：
mydgv.datasource=new binginglist(mylist);
public partial class frmmaintance : form
public frmmain frmparent
private void textbox2_textchanged(object sender, eventargs e)
private void baocun_click(object sender, eventargs e)
else
foreach (se item in frmparent.programmerlist)
}frmparent.programmerlist.add(se);
this.close();
}catch (exception ex)
finally
}public partial class frmmain : form
public listprogrammerlist = new list();
public void bindgrid(listlist)
private void toolstripbutton1_click(object sender, eventargs e)
private void frmmain_load(object sender, eventargs e)
public void xianshi() );
dgvprogrammer.datasource = new bindinglist(programmerlist);
}private void button1_click(object sender, eventargs e)
}this.dgvprogrammer.datasource = new bindinglist(templist);
}private void toolstripbutton2_click(object sender, eventargs e)
}messagebox.show("刪除成功");
bindinglist(programmerlist);
bindgrid(programmerlist);}}
private dictionaryrecordlist = new dictionary();
private void 簽到toolstripmenuitem_click(object sender, eventargs e)
string workno = dgvprogrammer.currentrow.cells["id"].value.tostring();
foreach (string item in recordlist.keys)
}record record = new record();
record.id = workno;
record.name = this.dgvprogrammer.currentrow.cells["name"].value.tostring();
record.signintime = datetime.now;
this.recordlist.add(record.id,record);
messagebox.show("簽到成功！");
}private void 前退toolstripmenuitem_click(object sender, eventargs e)
string id = this.dgvprogrammer.currentrow.cells["id"].value.tostring();
bool isout = false;
foreach (string item in recordlist.keys)
}if(!isout)
}private void toolstripbutton3_click(object sender, eventargs e)
public partial class frmshow : form
public dictionaryrecordlist
public void xianshi()
private void frmshow_load(object sender, eventargs e)
}
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