DataList的用法Word下载.docx
- 文档编号:15904766
- 上传时间:2022-11-16
- 格式:DOCX
- 页数:16
- 大小:19.32KB
DataList的用法Word下载.docx
《DataList的用法Word下载.docx》由会员分享,可在线阅读,更多相关《DataList的用法Word下载.docx(16页珍藏版)》请在冰豆网上搜索。
stringsqlstr="
selecttop1*fromtb_Member"
SqlDataAdaptermyda=newSqlDataAdapter(sqlstr,sqlcon);
DataSetmyds=newDataSet();
sqlcon.Open();
myda.Fill(myds,"
tb_Member"
);
DataList1.DataSource=myds;
DataList1.DataBind();
DataRowViewmydrv=myds.Tables["
].DefaultView[0];
//ds中缓存的表格“tb_Member”
for(inti=0;
i<
=DataList1.Items.Count-1;
i++)
Labellab=(Label)DataList1.Items[i].FindControl("
Label1"
intmoney=Convert.ToInt32(mydrv["
money"
]);
lab.Text=money.ToString("
¥#,###.00"
}
sqlcon.Close();
}
2.分页功能
intcurpage=Convert.ToInt32(this.Label2.Text.ToString().Trim());
PagedDataSourceps=newPagedDataSource();
sqlcon=newSqlConnection(strcon);
SqlDataAdaptersda=newSqlDataAdapter("
select*fromtb_GoodsType"
sqlcon);
DataSetds=newDataSet();
sda.Fill(ds,"
tb_GoodsType"
ps.DataSource=ds.Tables["
].DefaultView;
ps.AllowPaging=true;
ps.PageSize=2;
//实现分页
LinkButton1.Enabled=true;
LinkButton2.Enabled=true;
LinkButton3.Enabled=true;
LinkButton4.Enabled=true;
ps.CurrentPageIndex=curpage-1;
if(curpage==1)
this.LinkButton1.Enabled=false;
this.LinkButton2.Enabled=false;
if(curpage==ps.PageCount)
this.LinkButton3.Enabled=false;
this.LinkButton4.Enabled=false;
this.Label3.Text=Convert.ToString(ps.PageCount);
DataList1.DataSource=ps;
this.DataList1.DataKeyField="
GoodsTypeID"
2.查找Datalist中的控件
CheckBoxcb=(CheckBox)Datalist.Item[0].FindControl(“CheckBox1”)
Datalist的属性是:
<
asp:
DataListID="
DataList1"
runat="
server"
BorderColor="
#FFFF99"
BorderWidth="
2px"
onitemdatabound="
DataList1_ItemDataBound"
Height="
400px"
ondeletecommand="
DataList1_DeleteCommand"
Width="
300px"
>
ItemTemplate>
tableclass="
style1"
tr>
td>
&
nbsp;
/td>
tdclass="
style2"
spanlang="
zh-cn"
ID:
/span>
LabelID="
Text='
%#DataBinder.Eval(Container.DataItem,"
ID"
'
/asp:
Label>
/tr>
姓名:
Label2"
au_lname"
性别:
DropDownListID="
DropDownList1"
DataTextField="
sex"
DataValueField="
ListItem>
男<
女<
DropDownList>
style3"
CheckBoxID="
cb1"
Text="
勾选此项"
AutoPostBack="
True"
/>
style4"
学位:
Label3"
state"
电话:
Label4"
phone"
地址:
Label5"
address"
LinkButtonID="
LinkButton1"
CommandName="
delete"
删除该项目<
LinkButton>
/table>
/ItemTemplate>
DataList>
具体的代码是:
protectedvoidDataList1_DeleteCommand(objectsource,DataListCommandEventArgse)
SqlCon=newSqlConnection(strcon);
DataList1.Items.Count;
CheckBoxcb=(CheckBox)DataList1.Items[i].FindControl("
if(cb.Checked)
stringstrdel="
deletefromtb_mrEmp05whereID='
"
+DataList1.DataKeys[i].ToString()+"
SqlCon.Open();
SqlCommandsqlcmd=newSqlCommand(strdel,SqlCon);
sqlcmd.ExecuteNonQuery();
SqlCon.Close();
else
Response.Write("
请选择!
bind();
3.Datalist实现自动编号功能
protectedvoidDataList1_ItemDataBound(objectsender,DataListItemEventArgse)
intid=e.Item.ItemIndex+1;
((Label)e.Item.FindControl("
)).Text=id.ToString();
4.Datalist实现删除功能
在Datalist中的Button控件的Commandname必须设置为delete
stringstrdel="
deletefromtb_RevertwhereRevertID='
+DataList1.DataKeys[e.Item.ItemIndex].ToString()+"
sqlcon=newSqlConnection(strcon);
SqlCommandsqlcmd=newSql
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- DataList 用法