1. 打开新的窗口并传送参数:
['e8Xz0 G"3D"7fa 传送参数:
U_B"B;ng+ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
S3A OT Ks7DoXCvE 接收参数:
tFO86 !ln string a = Request.QueryString("id");
ku&IVr% string b = Request.QueryString("id1");
Ws{2+G~ <Pg4> 2.为按钮添加对话框
#'_i6 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
R=_
fk button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
R 6ca; o&-q.;MY 3.删除表格选定记录
lL/|{A|-j int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
t,)`Zu$ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
,=.& R*VJe+5w 4.删除表格记录警告
L?23Av0W private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
LSs!U
3" {
8%@7G* switch(e.Item.ItemType)
ZEiW\ V {
S8TJnv`?' case ListItemType.Item :
]9pK^< case ListItemType.AlternatingItem :
$2~I-[ case ListItemType.EditItem:
f4@>7K]9TA TableCell myTableCell;
0 V}knR.l myTableCell = e.Item.Cells[14];
/n"Ib)M LinkButton myDeleteButton ;
b<u myDeleteButton = (LinkButton)myTableCell.Controls[0];
VK5|w: myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
9|jk=`4UK break;
Z^zUb default:
9~J break;
3){ /u$iH. }
b%z4u0 )#%k/4(Y }
/{gCf /4}{SE 5.点击表格行链接另一页
_e
E(P1 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
xxpvVb)mF {
)S]4
Kt_ //点击表格打开
z^;*&J
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
$DuX1T e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
4Z.G }
tF}Vs} c!{v/zOz 双击表格连接到另一页
E Z15 ]2`PS<a2 在itemDataBind事件中
X~(%Y#6 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
3C=ON.1eg {
~G+o;N,V string OrderItemID =e.item.cells[1].Text;
vN=e1\ ...
6nRXRO e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
j-e/nZR@ }
|j3mI\ANF :FcYjw 双击表格打开新一页
t2Q40'
` if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
sN]O]qYXJ {
y9kydu# q string OrderItemID =e.item.cells[1].Text;
?nZQTO7 ...
(qG |.a e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
PQ9.aJdw@- }
@F%H 1 X458%)G!(K ★特别注意:【?id=】 处不能为 【?id =】
w
4-E@>% 6.表格超连接列传递参数
G$kspN*"A <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
2Z!%Q}Do <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
^vw? 4O V4@HIM 7.表格点击改变颜色
)FVW/{NF@q if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
,Wtod|vx\U {
aZ"9)RJe e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
1iyd{r7| this.style.color=’buttontext’;this.style.cursor=’default’;");
F0
x5(lpQ }
d}#G~O+y3v @62QDlt; 写在DataGrid的_ItemDataBound里
4Y2l]86 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
4Qh\3UL~ {
NZ`Mq e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
XMzL\Edo this.style.color=’buttontext’;this.style.cursor=’default’;");
>T:
Yp< e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
%P05k }
6P@3UQ)}s s
wgn( - G$FNofQx 8.关于日期格式
i]oSVXx4WC QbA+\ 日期格式设定
& c a- DataFormatString="{0:yyyy-MM-dd}"
`3GC}u>} ~`-z"zM:p 我觉得应该在itembound事件中
*ElR e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
.b'hVOs{ T"ors]eI 9.获取错误信息并到指定页面
Twi:BI`. :j2G0vHIl( 不要使用Response.Redirect,而应该使用Server.Transfer
zOO:`^ m ^wDZg` e.g
,-,BtfE3 // in global.asax
:wtr{,9rZ protected void Application_Error(Object sender, EventArgs e) {
eTVI.B@p if (Server.GetLastError() is HttpUnhandledException)
G4DuqN~2m Server.Transfer("MyErrorPage.aspx");
M8j%bmd(, ~Mu=,OT //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
;/.ZjTRw }
LU
"e9 9*wS}A&Jh Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
Hp`Mp)1s 9;,_Qq 10.清空Cookie
E07g^y"}i Cookie.Expires=[DateTime];
eF)vx{s Response.Cookies("UserName").Expires = 0
DSiI%_[Ud t<'-?B2g 11.自定义异常处理
^@V$'Bk //自定义异常处理类
>:7W.QLRU using System;
_h;#\ )%~ using System.Diagnostics;
T 9lk&7W V$e\84< namespace MyAppException
:$eg{IXC" {
uEp
v l /// <summary>
/Hxz@=LC1 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
v"x{oD$R /// 自动将异常内容记录到Windows NT/2000的应用程序日志
;533;(d*o /// </summary>
#IH7WaN public class AppException:System.ApplicationException
;yh}$)^9 {
@#sBom+K` public AppException()
|4RuT
.-o {
ai/VbV'| if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
zQsu~8PX }
XHq8p[F GS1Vcav< public AppException(string message)
Q5R7se_ {
nFE0y3GD8 LogEvent(message);
Sw!/IPO }
aBL+i- bqBgq public AppException(string message,Exception innerException)
4E&=qC]S {
9D
2B8t"a LogEvent(message);
NUB 3L if (innerException != null)
yj]\%3o<Z7 {
c o}o$} LogEvent(innerException.Message);
M+Rxt.~6 }
NUiNn 7C }
+;nADl+Q n|,kL!++. //日志记录类
|UbwPL_L using System;
xxnMvL; using System.Configuration;
9r@T"$V#c using System.Diagnostics;
P(N$U^pj using System.IO;
gm;6v30e using System.Text;
'k2Z$+ using System.Threading;
Iz;hje4JL P<@Yux# namespace MyEventLog
WgBV,{C {
**jD&h7$s- /// <summary>
z;x1p)(xt /// 事件日志记录类,提供事件日志记录支持
Yjo$^q /// <remarks>
y~jKytq^@ /// 定义了4个日志记录方法 (error, warning, info, trace)
4BSSJ@z /// </remarks>
wr\d5j /// </summary>
gB\
a public class ApplicationLog
0>jo+b\D$ {
K<`"Sr /// <summary>
|Tz/9t /// 将错误信息记录到Win2000/NT事件日志中
FBfyW-
7 /// <param name="message">需要记录的文本信息</param>
(+g!~MP /// </summary>
]@@3] public static void WriteError(String message)
7.O1
~- {
UnjUA!v WriteLog(TraceLevel.Error, message);
ti`R }
-QaS/WO_ y@!kp*0 /// <summary>
E3N4(V\* /// 将警告信息记录到Win2000/NT事件日志中
HRF4
R o /// <param name="message">需要记录的文本信息</param>
VU>s{_|{ /// </summary>
mtEE,O!+ public static void WriteWarning(String message)
*.ffyBI*~ {
^FLuhLS\* WriteLog(TraceLevel.Warning, message);
.F=15A }
8.vPh Y4PU~l /// <summary>
5S:&^ A< /// 将提示信息记录到Win2000/NT事件日志中
%;,D:Tv=& /// <param name="message">需要记录的文本信息</param>
|0Kj0u8T /// </summary>
Q!DQ!;Br6 public static void WriteInfo(String message)
TI-#\v9 {
-B\`O*Q WriteLog(TraceLevel.Info, message);
2fc8w3 }
22?9KZ`Z= /// <summary>
7S<Z&1( /// 将跟踪信息记录到Win2000/NT事件日志中
?3tR(H< /// <param name="message">需要记录的文本信息</param>
MmOGt!}9A /// </summary>
!Xt=+aKN public static void WriteTrace(String message)
>c~~i-= {
=U3,P% WriteLog(TraceLevel.Verbose, message);
%v++AcE }
xBGSj[1`i fT.5@RR7^ /// <summary>
9.5hQZ /// 格式化记录到事件日志的文本信息格式
B1@c`BJ;9T /// <param name="ex">需要格式化的异常对象</param>
>iP>v`J /// <param name="catchInfo">异常信息标题字符串.</param>
i>bFQ1Rdx /// <retvalue>
;FYiXK% /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
_96hw8 /// </retvalue>
i3k ',8 /// </summary>
DBi3 j public static String FormatException(Exception ex, String catchInfo)
:xd&V%u` {
F]Zg9c{# StringBuilder strBuilder = new StringBuilder();
h+$1+Es if (catchInfo != String.Empty)
DvnK_Q! {
kKVq,41' strBuilder.Append(catchInfo).Append("\r\n");
zqAK|jbL }
;2RCgX!'% strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
(E)/' sEb return strBuilder.ToString();
Xmy(pV!PF }
cXcn}gKV 8}p 5MG /// <summary>
>*A\/Da]j /// 实际事件日志写入方法
La}=Ng /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
N i^pP@(' /// <param name="messageText">要记录的文本.</param>
Yg%V /// </summary>
6YT*=\KT private static void WriteLog(TraceLevel level, String messageText)
&G55<tRE {
(CYVSO try
6m21Y8N {
Ov%9S/d EventLogEntryType LogEntryType;
/B!"\0G/, switch (level)
ja2LQe@Q {
GpF, =: case TraceLevel.Error:
zqYfgV LogEntryType = EventLogEntryType.Error;
d; @Kz^ break;
9a)D8 case TraceLevel.Warning:
ihH!"HH+ LogEntryType = EventLogEntryType.Warning;
b]6;:Q!d break;
/>\.zuAr& case TraceLevel.Info:
J8a4.prqI LogEntryType = EventLogEntryType.Information;
Z.m.Uyz{7 break;
D8W:mAGEu case TraceLevel.Verbose:
+u_mT$|T LogEntryType = EventLogEntryType.SuccessAudit;
y)U8\ break;
,=>O/!s default:
`(.ue8T LogEntryType = EventLogEntryType.SuccessAudit;
cZL"e break;
ik~hL/JD\ }
Yl1@gw7 n*D)RiW EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
/eR @&!D ' //写入事件日志
LnZz= eventLog.WriteEntry(messageText, LogEntryType);
~;m~)D n<yV]i$ }
TO[5h Y\ catch {} //忽略任何异常
Q}]:lmqH }
3v:RLnB } //class ApplicationLog
: M0LAN }
.(;k]UP @tjC{?5Y 12.Panel 横向滚动,纵向自动扩展
\{?v|%n=/i <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
LEVNywk[ wb 4 4 13.回车转换成Tab
_a*Wk <script language="javascript" for="document" event="onkeydown">
hUGIy( if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
G`|mP:T:o event.keyCode=9;
sut j
G`m </script>
snj4MA@I] iCk34C7 onkeydown="if(event.keyCode==13) event.keyCode=9"
biGaP#"0 n2,b~S\e 14.DataGrid超级连接列
|#5JI#,vX DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
]2zx}D4f v}[KVwse 15.DataGrid行随鼠标变色
E_?3<)l)RI private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Q;r 0#" {
7F?^gMi if (e.Item.ItemType!=ListItemType.Header)
>1s:F5u" {
nEOhN e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
9FV#@uA}D e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
#D//oL"u] }
dJNYuTZ' }
.(9IAAwKn
e%'9oAz 16.模板列
f<|8NQ2y. <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
drtQEc>qT <ITEMTEMPLATE>
!;CY
@= <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
-oF4mi8S </ITEMTEMPLATE>
shn`>=0.& </ASP:TEMPLATECOLUMN>
mq'q@@:c 6t]oSxN <ASP:TEMPLATECOLUMN headertext="选中">
=#%e'\)a <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
aKCCFHq t! <ITEMTEMPLATE>
=K8`[iH <ASP:CHECKBOX id="chkExport" runat="server" />
Q1eiU Y6 </ITEMTEMPLATE>
|7%$+g <EDITITEMTEMPLATE>
WHAEB1c#Q <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
7\{<AM?* </EDITITEMTEMPLATE>
ci3{k" </ASP:TEMPLATECOLUMN>
d:sUh Gq-U}r 后台代码
t4s}w$4 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
>>^c_ 0"O {
oF,8j1 //改变列的选定,实现全选或全不选。
(:T~*7/" CheckBox chkExport ;
VdK-2O(.- if( CheckAll.Checked)
o'Tqqrr {
>y]YF3? foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
:X`J1E]Rjd {
&2?kD{ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
zP=J5qOZ8 chkExport.Checked = true;
bk4%lYJ" }
SKRD{MRsux }
]s,T`
(& else
OgH Wmb {
d\Dxmb]o foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
{8I93] {
2?-}(F;Z chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
8CEy#%7]} chkExport.Checked = false;
A;kAAM }
kf5921(P }
;ejC:3yO }
ZTS*E,U% NmtBn^t 17.数字格式化
%8{' XJ! yY_]YeeR 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
=~aJ]T}( <%#Container.DataItem("price","{0:¥#,##0.00}")%>
?# G_& cVulJ6 int i=123456;
^O892 -R string s=i.ToString("###,###.00");
2N)vEUyDV k7W8$8v 18.日期格式化
8%nTDSp&t Hh!x&;x} 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
3*arW|Xm aUA+% 显示为: 2004-8-11 19:44:28
dd4yS}yBlR PS=crU@"H 我只想要:2004-8-11 】
r&ToUU 5 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
VJr?`
eY4 A0[flIl 应该如何改?
yobi$mnsy!
2EE#60 【格式化日期】
=
)(; L
YH9P-5H 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
>J8?n,* EKoCm)}d 【日期的验证表达式】
q(uu;l[ QT-rb~ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
N+}yw4lb ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
3rR(>}:[V 2,_BO6
!d B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
n!tC z<v ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
{h@R\bU T_gW't>
【大小写转换】
ruE.0V I@ HttpUtility.HtmlEncode(string);
)O7 Mfr HttpUtility.HtmlDecode(string)
y5R6/*;N. uNx3us- 19.如何设定全局变量
^Y'>3o21f ((?^B
Global.asax中
;wvVhQ O9>/WmLe Application_Start()事件中
CF>NyY:_ iWtWT1n8n 添加Application[属性名] = xxx;
E|^a7-}| z-,U(0 . 就是你的全局变量
_N<qrH^; V25u'.'v 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
7z+NR&'M$ X$st{@}ZB HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
a>Q7Qn U\b,W&%P 【ASPNETMENU】点击菜单项弹出新窗口
vO&1F@ Fir7z nRW 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
MOOL=Um3 <?xml version="1.0" encoding="GB2312"?>
6SidH_&C <MenuData ImagesBaseURL="images/">
p$"*U[%l <MenuGroup>
8Ipyr%l <MenuItem Label="内参信息" URL="Infomation.aspx" >
Y8CXinh <MenuGroup ID="BBC">
2oq>tnYyV[ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
{(aJrSE<z <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
8} S|iM ......
8"S0E(,mu Wxg|jP$~ 最好将你的aspnetmenu升级到1.2版
N:&Gv'` 0c`wJktWK 21.读取DataGrid控件TextBox值
S*\`LBl"nX foreach(DataGrid dgi in yourDataGrid.Items)
?. ~@ lE {
3[ Z? `X TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
&i!.6M2 tb.Text....
mirMDJsl% }
Z~P5SEg 2#py>rF(
23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
vwT?Bp rN>f"/J
| 〖思归〗
L;v#9^Fq <asp:TemplateColumn HeaderText="数量">
sa*hoL18 <ItemTemplate>
9vVYZ}HC <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
z1YC%Y|R onkeyup="javascript:DoCal()"
8cW]jm />
&d~6MSk @s@r5uR9B <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
UDxfS4yI </ItemTemplate>
Pu}2%P)p </asp:TemplateColumn>
`[`eg<xj b9"Q.*c<Z^ <asp:TemplateColumn HeaderText="单价">
?N`W, <ItemTemplate>
]i{-@Ven <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
[z Y9"B<3 onkeyup="javascript:DoCal()"
(s\Nm_j />
58=fT1
B b
~F85U2 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
DuCq16'0T :MJTmpq, </ItemTemplate>
*DU86JL` </asp:TemplateColumn>
O*c+TiTb G`TO[p]q <asp:TemplateColumn HeaderText="金额">
L]9*^al <ItemTemplate>
'5{gWV` <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
m@TU2 </ItemTemplate>
eLl;M4d </asp:TemplateColumn><script language="javascript">
[dUW3}APV function DoCal()
H'2pmwk {
$e0sa=/ var e = event.srcElement;
AC
3 ;i var row = e.parentNode.parentNode;
=G*<WcR var txts = row.all.tags("INPUT");
y5oiH if (!txts.length || txts.length < 3)
MF>?! ! return;
hGzj}t
W8d 0naegy?, var q = txts[txts.length-3].value;
R{Cj]:Ky var p = txts[txts.length-2].value;
C
!uwD a N_M if (isNaN(q) || isNaN(p))
,Y}HP3
return;
.,feRK>3 Vbz$dpT q = parseInt(q);
;B!&( 50e p = parseFloat(p);
[{'` |
X&(1DE txts[txts.length-1].value = (q * p).toFixed(2);
%m{h1UQQ+ }
I)n%aT fo8 </script>
!WAbO(l lKwI lp OBu$T& $S3C_.. _AK-AY 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
(AV j_Cw page_load
rfoLg page.smartNavigation=true
gh3_})8c 8BBuYY{ 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
$FS
j^v] private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
ys09W+B7 {
~
M@8O for(int i=0;i<e.Item.Cells.Count-1;i++)
T+Du/ERL if(e.Item.ItemType==ListItemType.EditType)
*<]ulR2 {
Fb.wm e.Item.Cells.Attributes.Add("Width", "80px")
UG 9uNgzQ/ }
k${25*M!3 }
)g+~"&Gcx 1@;Dn' 26.对话框
Un@d Wf6' private static string ScriptBegin = "<script language=\"JavaScript\">";
A"d=,?yE private static string ScriptEnd = "</script>";
$,F1E VJ '\=aSZVO public static void ConfirmMessageBox(string PageTarget,string Content)
E%2]c?N5 {
V+-%$-w> string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
FAo\`x Jro) ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
8FU8E2zo }cEcoi<v! Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
`l'z#\ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
<Zn]L: //Response.Write(strScript);
b-\ 1D;] }
2w+w'Ag_R G[ @RZ~o4 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
i=nd][1n h b_"E, `F 1.1 取当前年月日时分秒
B[epI3R currentTime=System.DateTime.Now;
Y'mtMLfMc >-0Rq[) 1.2 取当前年
/&_$+Iun int 年= DateTime.Now.Year;
cY0NQKUk~ VMXccT9i! 1.3 取当前月
b<n*wH int 月= DateTime.Now.Month;
jH({Qc,97 fX2sjfk 1.4 取当前日
#Ipi 3 int 日= DateTime.Now.Day;
F}wy7s2i Z8%?ej`8 1.5 取当前时
pE,2pT2> int 时= DateTime.Now.Hour;
E{k$4 9$$dSN\& 1.6 取当前分
3 f@@|vZF int 分= DateTime.Now.Minute;
|6v
$!wBi A+de;& 1.7 取当前秒
@>cz$##` int 秒= DateTime.Now.Second;
&N:Iirg <A^sg?s<' 1.8 取当前毫秒
kUGOkSP8[ int 毫秒= DateTime.Now.Millisecond;
C.].HQ k{d] 28.自定义分页代码:
2RG6m=Y8y ~G,_4}#"pM 先定义变量 :
w;W# 'pE public static int pageCount; //总页面数
]l>LU2 sx public static int curPageIndex=1; //当前页面
%PM&`c98z7 "ngULpb{R 下一页:
!K*(# [ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
{7'Wi$^F {
}IEwGoDwNs DataGrid1.CurrentPageIndex += 1;
=h0vdi%{ curPageIndex+=1;
%;_94!(hC }
Xdh2 cD6S;PSg bind(); // DataGrid1数据绑定函数
hz:h>Hwy 0xVw{k}1U 上一页:
=HMa<"-8 if(DataGrid1.CurrentPageIndex >0)
M#nlKj< {
*,& 2?E8 DataGrid1.CurrentPageIndex += 1;
J/LsL
k curPageIndex-=1;
Kv0V`}<Yc }
lg"aB 5.1z9[z bind(); // DataGrid1数据绑定函数
<yl%q*gls 5(>SFxz"t 直接页面跳转:
,2YZB*6h{ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
~=va<%{
U ;NU-\<Q{ if(a<DataGrid1.PageCount)
`6$|d,m5 {
'_d4[Olu this.DataGrid1.CurrentPageIndex=a;
5EU~T.4C< }
7UIf {Y-~7@ bind();
`+z^#3l A]Bf&+V 29.DataGrid使用:
Jvc:)I1NE7 bTU[E 添加删除确认:
<Pzy'9 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
<qg4Rz\c] {
J2<kOXXJ9 foreach(DataGridItem di in this.DataGrid1.Items)
ijsoY\V50 {
p8Z?R^$9H if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
|Dt_lQp# {
sYjhQN=Y* ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
jr,N+K(@T }
jc!m; U t }
'2GnA ws^ }
nv0\On7wd #u}%r{T 样式交替:
o^XDG^35` ListItemType itemType = e.Item.ItemType;
SQ_Je+X Q$uv
\h; if (itemType == ListItemType.Item )
fIl;qGz85 {
>H^#!eaqw e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
z/u^ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
8N%nG(
0 }
|BbzRis else if( itemType == ListItemType.AlternatingItem)
d]poUN~x {
h5SJVa e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
q.p.$) e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
,jOJ\WXP }
8[;vC$ ,DZvBS 添加一个编号列:
<+k"3r{y" DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
|>yWkq DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
8l_M 0F, ')U~a for(int i=0;i<dt.Rows.Count;i++)
MB!9tju {
zcKQD )] dt.Rows["number"]=(i+1).ToString();
Q_U.J0 }
3V<@Vkf5 #8|LPfA DataGrid1.DataSource=dt;
i|J%jA DataGrid1.DataBind();
tLBtE!J$[ =A.$~9P DataGrid1中添加一个CheckBox,页面中添加一个全选框
z%OKv[/N private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
@^xtxtjzux {
&W,jR|B
foreach(DataGridItem thisitem in DataGrid1.Items)
K#YQB3rX {
.^?zdW ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
&)Xc'RQ.C }
%WgN+A0 }
b~J)LXj]w
27EK+$ 将当前页面中DataGrid1显示的数据全部删除
@eJCr)#} foreach(DataGridItem thisitem in DataGrid1.Items)
HwFX,? {
Iko]c_W0 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
VG);om7`PD {
|5bLV^mv]i string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Ttt'X<9 Del (strloginid); //删除函数
uMJ\ }
/]_ t-> }
<7M-?g:vj y3zP`^
30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
L5-|-PP|; MKl0 d 在Application_Start中添加以下代码:
TxX =(7V Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
s_'&_>D AppSettings["ConnStr"].ToString();
WwDM^}e 3 r& 31. 变量.ToString()
O$<>v\NC? :OG I|[ 字符型转换 转为字符串
iQ;p59wSzL 12345.ToString("n"); //生成 12,345.00
T#))_aC 12345.ToString("C"); //生成 ¥12,345.00
wY8:j 12345.ToString("e"); //生成 1.234500e+004
{_QdB;VwH 12345.ToString("f4"); //生成 12345.0000
1u
9hA~rj 12345.ToString("x"); //生成 3039 (16进制)
p+CUYo( 12345.ToString("p"); //生成 1,234,500.00%
iRzFA!wH <s9?9^!!V^ 32、变量.Substring(参数1,参数2);
cJ;Nh>ey k, HC"?K 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
w&q[%(G_ s/E|Z1pg3 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Xw-[Sf]p <SCRIPT language="javascript">
Y{p$% <!--
g8W,Xq+ function gook(pws)
uM-,}7f7 {
XBQt:7[< frm.submit();
Yc:%2KZ" }
(N7uaZ?Z //-->
CL|/I:%0 c$O8Rhx </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
,o&C"sb <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
S#7YJ7
K"N <tr>
MUO<o <td>
\$ytmtf5 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
0!T`.UMI <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
YmziHns`b <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
b:m+I
54gr'qvr <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
-U d^\Yy <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
o~Se[p 6l#x1o; </td>
,NSf .Pb-{!$Ni </tr>
:DD<0 Lo%n{*if </form>
\N,ox(f?gW 9)Fx;GxL 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
tt"<1
z@ NRi5 Vp2= 下面是获取用户输入的登陆信息的代码:
&X=7b@r string name;
CXa[%{[n name=Request.QueryString["EmailName"];
eb62(:=N6 f"ZlJV a try
~}Xus?e {
A,}M ^$@ int a=name.IndexOf("@",0,name.Length);
o).deP
s- f_user.Value=name.Substring(0,a);
(}: s[cs f_domain.Value=name.Substring(a+1,name.Length-(a+1));
P@{x@9kI f_pass.Value=Request.QueryString["Psw"];
UUah5$Iy }
!"rPSGK* xa>| k>I catch
=>jp\A {
J:xGEa t Script.Alert("错误的邮箱!");
Ql*zl Server.Transfer("index.aspx");
dY*q[N/pO }