1. 打开新的窗口并传送参数:
x$J.SbW ;=\5$J9 传送参数:
\(U" _NPp response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
vcJb\LW 'EET3RK-S 接收参数:
PeUd string a = Request.QueryString("id");
39aCwhh7v string b = Request.QueryString("id1");
C2=iZ`Z>T /uXRZ 2.为按钮添加对话框
[^}>AC*im Button1.Attributes.Add("onclick","return confirm(’确认?’)");
<*Kh=v button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
t^_{5 K#f`_SCW 3.删除表格选定记录
u$=ogp=0 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
w*xUuwi string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
x D=qU _Z66[T+M 4.删除表格记录警告
jw(>@SXz private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
26#Jhb E+ {
ngY+Ym switch(e.Item.ItemType)
&*]{"^ {
cov#Z
ux case ListItemType.Item :
@f5@0A\0 case ListItemType.AlternatingItem :
Ie&b<k case ListItemType.EditItem:
]pR fY9w TableCell myTableCell;
E?gu(\an@ myTableCell = e.Item.Cells[14];
'W?v.W & LinkButton myDeleteButton ;
JQ/t, v$G myDeleteButton = (LinkButton)myTableCell.Controls[0];
jo;uR l myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
ZG/8 Ds break;
Ei9_h
default:
i
B!h Ebz break;
QTjftcu }
<V:<x NBqV0>vR }
gAr`hXO |;.Pj3)- 5.点击表格行链接另一页
q
5v?`c private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
*)`kx {
s\Pt,I@Y_ //点击表格打开
!(]dz~sM if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
g#'fd/?Q e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
x*R8^BA]pR }
Q%n{*py wsJ%*
eYf 双击表格连接到另一页
#mRFUA ,bVS.A'o 在itemDataBind事件中
[UJEU~XC if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
TXJY2J*24 {
y KYP string OrderItemID =e.item.cells[1].Text;
iIGI=EwZ ...
A`x
-L e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
W`Q$t56 }
b$goF
}b'g ,u&tB|,W, 双击表格打开新一页
QlRoe|{ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
NlF0\+h {
rWFcIh5 string OrderItemID =e.item.cells[1].Text;
.@i0U ...
iF [?uF e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
{C/L5cZ]J }
c:llOHA =CjNtD2] ★特别注意:【?id=】 处不能为 【?id =】
&}nBenYp 6.表格超连接列传递参数
!]rETP_ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
pFsCd"zv <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
f8LrDR H}sS4[z 7.表格点击改变颜色
hg?j)jl| if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
XVrm3aj(m {
so!w !O@@ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
1tc]rC4h this.style.color=’buttontext’;this.style.cursor=’default’;");
)+n,5W }
QY~<~<d+G U/X|i / 写在DataGrid的_ItemDataBound里
~_u*\]- if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
15xd~V?ai: {
g5tjj. e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Q e>i{:N this.style.color=’buttontext’;this.style.cursor=’default’;");
G`]v_`> e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
x)ddRq
l }
af<NMgT2s~ IpWy)B>Fl3 j{{~Z M 8.关于日期格式
t['k%c ^)f{q)to 日期格式设定
;-KAUgL2 DataFormatString="{0:yyyy-MM-dd}"
aNE9LAms PPoI>J 我觉得应该在itembound事件中
%@}o'=[ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
GOy=p3mQ *xE"8pN/ 9.获取错误信息并到指定页面
\7Gg2;TA6o V#'26@@ 不要使用Response.Redirect,而应该使用Server.Transfer
e2AN[Ar Pz]bZPHn e.g
7?=43bZl // in global.asax
Q_&}^ protected void Application_Error(Object sender, EventArgs e) {
hrs#ZZ:E if (Server.GetLastError() is HttpUnhandledException)
m~)Fr8Wh6 Server.Transfer("MyErrorPage.aspx");
M.ZEqV+k jWH{;V&ZV //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
f^W[;w }
E?3 0J3S jM5_8nS&d 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
=\~E n5 r0\cc6 10.清空Cookie
?EI'^xg Cookie.Expires=[DateTime];
op hH9D Response.Cookies("UserName").Expires = 0
f._l105. =X-^YG3x 11.自定义异常处理
#ZG3|#Q=L //自定义异常处理类
<y@,3DD3A9 using System;
p91`<>Iw using System.Diagnostics;
|@ikx{W
<^lJr82 namespace MyAppException
}3v'Cp0L {
$[Tt#CJw /// <summary>
zRwb" /// 从系统异常类ApplicationException继承的应用程序异常处理类。
v5(q)h /// 自动将异常内容记录到Windows NT/2000的应用程序日志
!p}`kG /// </summary>
}.0Bl&\UK public class AppException:System.ApplicationException
^)&Ly_xrU {
ecr886 public AppException()
Ua):y) A {
_&8O~8tW if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
j*uXB^4 }
)^4ko ipG5l public AppException(string message)
x|]\1sb" {
16"#i LogEvent(message);
;wJ~ha C }
$o]r]#B+ :w@F?:C public AppException(string message,Exception innerException)
^vJ"-{ {
7OB%A& LogEvent(message);
v# if (innerException != null)
v`y6y8:> {
Z+g1~\ LogEvent(innerException.Message);
!CVuw }
<0CzB"Ap }
#EJhAJ fJaubDxa //日志记录类
J.#(gFBBl\ using System;
]b 3/Es+ using System.Configuration;
,eR8~(`= using System.Diagnostics;
6SE6AL<b using System.IO;
$tI]rU using System.Text;
@.'z* |z using System.Threading;
Y[2Wt%2\6 &e5(Djz8t namespace MyEventLog
g3Z:{@m {
l
:/&E 6 9 /// <summary>
_w 5RK( /// 事件日志记录类,提供事件日志记录支持
g%ubvu2t] /// <remarks>
pgT9hle/ /// 定义了4个日志记录方法 (error, warning, info, trace)
[`d$X^<y; /// </remarks>
p8Iw!HE /// </summary>
OFA{
KZga public class ApplicationLog
3P1&; {
nSS>\$ /// <summary>
P`
#QGZ> /// 将错误信息记录到Win2000/NT事件日志中
[r(Qs| /// <param name="message">需要记录的文本信息</param>
;x-(kIiE /// </summary>
#? dUv# public static void WriteError(String message)
f\fdg].! {
|'tW= WriteLog(TraceLevel.Error, message);
MU'@2c }
zF8'i=b& PocYFhWQ` /// <summary>
D3`}4 A /// 将警告信息记录到Win2000/NT事件日志中
;6ky5}z /// <param name="message">需要记录的文本信息</param>
({4] /// </summary>
9:5:`'b public static void WriteWarning(String message)
f;gZ|a {
'Gjq/L/x WriteLog(TraceLevel.Warning, message);
XAPYpBgm }
~4\,&HH @9Q2$ /// <summary>
'B_\TU0
O /// 将提示信息记录到Win2000/NT事件日志中
p,F^0OU2}: /// <param name="message">需要记录的文本信息</param>
9IA$z\<<w /// </summary>
%a]; public static void WriteInfo(String message)
.-0%6]
cFD {
$6T3y8 WriteLog(TraceLevel.Info, message);
'_dzcN,z }
K$H
<}e3 /// <summary>
piOXo=9H. /// 将跟踪信息记录到Win2000/NT事件日志中
BYi)j6" /// <param name="message">需要记录的文本信息</param>
UNDi_6Dy /// </summary>
NBjeHtT public static void WriteTrace(String message)
6 "U8V?E {
-I":Z2.fR WriteLog(TraceLevel.Verbose, message);
C9qJP^F }
4,G w#@ |ETiLR=& /// <summary>
ubYG /// 格式化记录到事件日志的文本信息格式
'xnnLCm. /// <param name="ex">需要格式化的异常对象</param>
X<]qU3k5 /// <param name="catchInfo">异常信息标题字符串.</param>
Rrg8{DZhv /// <retvalue>
*f5l=lDOB /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
EVt?C+ /// </retvalue>
2Vk\L~K /// </summary>
F2 ~%zNe public static String FormatException(Exception ex, String catchInfo)
w5KPB5/zu {
1f#mHt:( StringBuilder strBuilder = new StringBuilder();
fr[3:2g-_ if (catchInfo != String.Empty)
r[_4Lo@G {
"CQw/qZw strBuilder.Append(catchInfo).Append("\r\n");
|Ps% M|8~ }
-h#mn2U~3r strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
N
j4IQ<OV return strBuilder.ToString();
,Q/Ac{C }
W2Luz;(U :B|Dr
v /// <summary>
Lq (ZcEKo /// 实际事件日志写入方法
7\XE,;4> /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
9b;A1gu /// <param name="messageText">要记录的文本.</param>
rR,2UZR /// </summary>
8i}<
k$S private static void WriteLog(TraceLevel level, String messageText)
GX&b;N {
U47}QDh try
vyI%3+N@ {
^V3v{>D> EventLogEntryType LogEntryType;
0)!Ll*L!p switch (level)
&\C [@_ {
93O;+Z5J case TraceLevel.Error:
O7t(,uox3y LogEntryType = EventLogEntryType.Error;
Vp}^NNYf break;
&v!WVa? case TraceLevel.Warning:
pV(lhDNoQ LogEntryType = EventLogEntryType.Warning;
wGsRS[ break;
B*1W`f case TraceLevel.Info:
nkDy!"K LogEntryType = EventLogEntryType.Information;
|3hY6aty break;
=Z G:x<Hg case TraceLevel.Verbose:
S/ [E8T" LogEntryType = EventLogEntryType.SuccessAudit;
*[+)7 break;
%Sk@GNI_ default:
v4Ga0]VN$8 LogEntryType = EventLogEntryType.SuccessAudit;
RthT\%R break;
WO</Mw }
LN2D <3okiV=ox EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
^pnG0(9 //写入事件日志
Avlz=k1* eventLog.WriteEntry(messageText, LogEntryType);
C\ZkGX J;$N{"M }
*e#<n_%R catch {} //忽略任何异常
F^k.is
}
SP]IUdE\ } //class ApplicationLog
p4K.NdUH }
o4b~4h{% ]aryV?!6 12.Panel 横向滚动,纵向自动扩展
JUAS$Y <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
~z5R{;Nbz| 8>WVodv 13.回车转换成Tab
V DS23Bo <script language="javascript" for="document" event="onkeydown">
D4JLtB'= if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
TXXy\$ event.keyCode=9;
4Kwh?8. </script>
WQNE2Q f:B>zp;N onkeydown="if(event.keyCode==13) event.keyCode=9"
;Lm=dd@S: 5kNzv~4B,; 14.DataGrid超级连接列
X^9d/}uTa DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
fq[;%cr4 +>~?m*$ 15.DataGrid行随鼠标变色
YW\0k5[ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
R%D'`*+ {
U$dh1; if (e.Item.ItemType!=ListItemType.Header)
gk[{2HgN {
VdSv e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
WKz>
!E% e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
9`//^8G:= }
^YdcAHjK }
Sn4[3JV $l 2lKV#9" 16.模板列
?E%ELs_Dl <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
R"MRnr_4K <ITEMTEMPLATE>
iJ' xh n <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
"1`Oh<={b </ITEMTEMPLATE>
ph>7?3;t </ASP:TEMPLATECOLUMN>
Cxod[$8 K$K^=>I"o <ASP:TEMPLATECOLUMN headertext="选中">
@H>@[+S# <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
K_?W\Yg <ITEMTEMPLATE>
klgy;jSEr <ASP:CHECKBOX id="chkExport" runat="server" />
!+)AeDc:j </ITEMTEMPLATE>
z@Q@^
&0Mr <EDITITEMTEMPLATE>
5 <wnva <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
mI*[>#q> </EDITITEMTEMPLATE>
oh"O07 </ASP:TEMPLATECOLUMN>
h7*W*Bd `Q3s4VEC 后台代码
l!}:|N Yh! protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
-<v~snq' {
`@[c8j7 //改变列的选定,实现全选或全不选。
4wd&55=2 CheckBox chkExport ;
+YLejjQ if( CheckAll.Checked)
zA+~7;7E {
)*; zW!H foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
'Jf^`ZT} {
!zj0/Q G\ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
/xGmg`g<# chkExport.Checked = true;
~c)~015` }
^<e@uNGg }
r:&`$8$ else
53-v|'9' {
ay "'#[ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
\I"Z2N>^z {
]?x:
Qm'yo chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
<<=WY_m} chkExport.Checked = false;
jdE5~a+ }
-C(b,F%% }
9% l% }
Yt|6
X:l YEkh3FrbwH 17.数字格式化
.<tquswg { -|{xBd 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
'>$]{vQ3 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
E0%~!b s&\I=J. int i=123456;
B+^(ktZp@ string s=i.ToString("###,###.00");
\AL
f$88>@ h~{aGo 18.日期格式化
N]KxAttt OGl$W>w1 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
yaq'Lt` A)%A!
显示为: 2004-8-11 19:44:28
[,2|Flf
e yV_4?nh 我只想要:2004-8-11 】
h/B>S <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
D]c`B /Q~gU< 应该如何改?
A,r*%&4~ vad12WrG< 【格式化日期】
yG Wnod' ` PYJ^I0 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
f2,jh}4 >pU:Gr 【日期的验证表达式】
*@d&5 EkGQ(fZ1| A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
~QvqG{bFB ^((\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})))?$
"\0v,!@ 6#IU* B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
/axIIfx- ^\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]))$
ui (^k $ 0b4R 【大小写转换】
CR6R?R3b HttpUtility.HtmlEncode(string);
P!"&%d HttpUtility.HtmlDecode(string)
6mKjau{r_ )_/5*Ly@ 19.如何设定全局变量
u%~igt@x +cD!1IT: Global.asax中
6N)!aT9eo 3O7!`Nm@ Application_Start()事件中
$Of0n` e #j *d^j& 添加Application[属性名] = xxx;
PJ='tJDj 5/po2V9) 就是你的全局变量
?nP*\8 ('-JY 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
;FZ@:%qDm Sm~l:v0% HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
o]
mD"3_ 2h[85\4 【ASPNETMENU】点击菜单项弹出新窗口
0P\$2lk
Z*-g[8FO 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
UI>Y0O <?xml version="1.0" encoding="GB2312"?>
3e(ehLc4DJ <MenuData ImagesBaseURL="images/">
P(t[
eXe <MenuGroup>
K_K5'2dE <MenuItem Label="内参信息" URL="Infomation.aspx" >
4lBU#V7 <MenuGroup ID="BBC">
D@!=d@V. <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
=m5SK5vLKT <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
gn3jy^5 ......
Nbp!teH6 ?B:a|0pf 最好将你的aspnetmenu升级到1.2版
'Ysx= R'S0 zp6 21.读取DataGrid控件TextBox值
hAHq\ foreach(DataGrid dgi in yourDataGrid.Items)
97ql5 {
Z!U)I-x& TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
M`ip~7" tb.Text....
Yv:55+ e!| }
@xB*KyUW sJ]taY ou 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
;A#`]-i C JA)] _H
P 〖思归〗
Ot]Ru,y->+ <asp:TemplateColumn HeaderText="数量">
`[C!L *#, <ItemTemplate>
dDF
.qXq. <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
WJ_IuX51' onkeyup="javascript:DoCal()"
:]J Ye* />
?(R]9.5S JGuN:c$ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
?wO-cnl </ItemTemplate>
B, 9w0 </asp:TemplateColumn>
Br`IW tO0!5#-VR <asp:TemplateColumn HeaderText="单价">
[H=) <ItemTemplate>
4q<=K= F <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
P3oI2\)*i onkeyup="javascript:DoCal()"
R+Y4| />
e*L.U~ZR y
K"kEA[; <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
%Qj;, #z %Q.&ZhB </ItemTemplate>
ZcaX'5}!S </asp:TemplateColumn>
4fe7U=# ;Y Fy.\7CL> <asp:TemplateColumn HeaderText="金额">
9~ l
hsH <ItemTemplate>
_U/!4A <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
6C-z=s)P& </ItemTemplate>
Ox@sI:CT </asp:TemplateColumn><script language="javascript">
1bH;!J function DoCal()
D:Zy {
vBog0KD);s var e = event.srcElement;
z`\F@pX%wC var row = e.parentNode.parentNode;
|m2X+s9 var txts = row.all.tags("INPUT");
DG?"5:Zd if (!txts.length || txts.length < 3)
Ps 8%J; return;
CP6LHkM9 Qci4J var q = txts[txts.length-3].value;
i F+vl] var p = txts[txts.length-2].value;
n/h,Lr)Z %?m$`9yU if (isNaN(q) || isNaN(p))
hiUD]5Kp return;
0@EwM qM.bF&&Go q = parseInt(q);
%DdJ ^qHI p = parseFloat(p);
v{A
KEX* eGX%KT"O txts[txts.length-1].value = (q * p).toFixed(2);
.j-IX1Sa }
{6}eN|4~# </script>
?]x|Zy k2AJXw L =8rH5 g>J<%z,}2 0lv%`, 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。
!&"<oPjr+ page_load
t
89!Ihk page.smartNavigation=true
Ovj^IjG-` 4)("v-p 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 ?
!=N"vD* private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
fXc m|U,ho {
Lliqj1& for(int i=0;i<e.Item.Cells.Count-1;i++)
N"3b{Qio if(e.Item.ItemType==ListItemType.EditType)
$ >EYhLBa {
phgm0D7 e.Item.Cells.Attributes.Add("Width", "80px")
aAB`G3 }
=J ym%m }
q#8 [ 0q'w8]m 26.对话框
L>YU,I\o private static string ScriptBegin = "<script language=\"JavaScript\">";
Z"AQp _ private static string ScriptEnd = "</script>";
rSJ9v: ?|39u{ public static void ConfirmMessageBox(string PageTarget,string Content)
9[^gAR {
d,=r9. string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
q5#J~n8Wr y>aZXa ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
.<Zy|1
4 Q*b]_0Rb Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
w.0qp)} ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
<^lRUw //Response.Write(strScript);
/jRRf"B }
qu-/"w<3$ $bsG] 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
]X^rU`": t8dm)s[r8 1.1 取当前年月日时分秒
PoT`}-9 currentTime=System.DateTime.Now;
)'4k|@8| #/Eb*2C`b 1.2 取当前年
W]5USFan int 年= DateTime.Now.Year;
P<f5*L#HD 6C+"`(u%V 1.3 取当前月
)lZp9O int 月= DateTime.Now.Month;
dx+hhg \L /, ! B2 1.4 取当前日
kJ Mf int 日= DateTime.Now.Day;
Ba/Yl qIAoA. 1.5 取当前时
FG)$y[* int 时= DateTime.Now.Hour;
l@ap]R oD$J0{K6 1.6 取当前分
>`%'4<I int 分= DateTime.Now.Minute;
9t#S= DP 2!$gyu6bpG 1.7 取当前秒
yd?x=| int 秒= DateTime.Now.Second;
#jxe%2'Ot q2et|QCru 1.8 取当前毫秒
fOMvj%T@2 int 毫秒= DateTime.Now.Millisecond;
zBe8,, e `IY/9'vT 28.自定义分页代码:
\
5,MyB2/` ~PHB_cyth 先定义变量 :
B!\;/Vk public static int pageCount; //总页面数
7%{ | public static int curPageIndex=1; //当前页面
*7wAkljP =F;.l@: 下一页:
:bC40@ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Z>^pCc\lH {
`2PLWo DataGrid1.CurrentPageIndex += 1;
Ed
,D8ND curPageIndex+=1;
4M^G`WA}t9 }
D7S'*;F MC{
2X bind(); // DataGrid1数据绑定函数
44F`$.v96 Rh>}rGvCUN 上一页:
91xB9k1zO if(DataGrid1.CurrentPageIndex >0)
qvv2O1c"A {
r{rQu-|. DataGrid1.CurrentPageIndex += 1;
Uv4`6>Ix
curPageIndex-=1;
HO''&hz }
[l8jRT=R 3hK#'."`N bind(); // DataGrid1数据绑定函数
8 P>#l. # oI#a_/w 直接页面跳转:
0s>/mh; int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
|a#f\ ;Yg{zhJX~ if(a<DataGrid1.PageCount)
-^ C=]Medl {
[V)
L this.DataGrid1.CurrentPageIndex=a;
u3o#{~E/# }
_Y[jyD1> L^{|uP15N bind();
PtTH PAKj 5=1^T@~#& 29.DataGrid使用:
D2,z)O%VK nM0[P6p 添加删除确认:
[u._q:A private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
u@4V7;L {
P(K>=O foreach(DataGridItem di in this.DataGrid1.Items)
,yTjU{<" {
<fs2fTUeqF if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
s\P2Bp_{ {
2^^=iU=!<| ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
d`/tE?Gw }
G7CG~:3h+ }
zH*KYB }
UAyC.$! m{7(PHpw 样式交替:
Ogp"u b 8 ListItemType itemType = e.Item.ItemType;
\~5C7^_ YLVPAODY if (itemType == ListItemType.Item )
Y9`5G% {
DzheoA-+L' e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
XyOl:>%L!P e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
]7rj/l$u }
8zBWIi else if( itemType == ListItemType.AlternatingItem)
3ux0Jr2yT {
V14B[|YM< e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
.YZgOJi e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
_Dwqy( }
ykFJ%sw3X %/rMg"f: 添加一个编号列:
1u|Rl:Q DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
ZZyDG9a>7 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
j6g[N4xr A mwa) for(int i=0;i<dt.Rows.Count;i++)
# (- Qx {
%~QO8q_7 dt.Rows["number"]=(i+1).ToString();
LbII?N8`N }
MG?0>^F }E7:ihy DataGrid1.DataSource=dt;
Q3y;$ " DataGrid1.DataBind();
+nT'I!// R9!Uo DataGrid1中添加一个CheckBox,页面中添加一个全选框
TET`b7G private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
zR32PG>9 {
bUY>st' foreach(DataGridItem thisitem in DataGrid1.Items)
_H^^y$+1 {
SKW%X8 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
L-9~uM3@\ }
ys#i@ }
>[1W:KQA 2>l,no39t+ 将当前页面中DataGrid1显示的数据全部删除
ZoB{x*IH foreach(DataGridItem thisitem in DataGrid1.Items)
nA~E
"* {
NzW`B^p if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
NxLXm, {
/CIh2
]#e string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
X@|&c]] Del (strloginid); //删除函数
d
O~O
|Xsb }
fkSwD( }
ILic.@st [JaS??ig 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
wlPx,UqZ @p|$/Z%R, 在Application_Start中添加以下代码:
F]I=+T Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
$.:mai AppSettings["ConnStr"].ToString();
W k}AmC X.TI>90{ 31. 变量.ToString()
Ea(,aVlj @K:N,@yq 字符型转换 转为字符串
1>Q'R 12345.ToString("n"); //生成 12,345.00
<vUVP\u~$ 12345.ToString("C"); //生成 ¥12,345.00
lW 81q2n 12345.ToString("e"); //生成 1.234500e+004
P%MfCpyj 12345.ToString("f4"); //生成 12345.0000
3!
~K^Z] 12345.ToString("x"); //生成 3039 (16进制)
Mzd[fR5a8 12345.ToString("p"); //生成 1,234,500.00%
Vj!rT
<@ wP/A^Rs 32、变量.Substring(参数1,参数2);
Eaqca{%/^ ?J,AB #+ 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);
j.:h5Y^N
x3zj?- 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)
D\ H/ <SCRIPT language="javascript">
ayBRWT0 <!--
AE@NOM7u function gook(pws)
Urgtg37 {
TH &qX frm.submit();
Y+qQI MZ }
tW;:- //-->
s[Ur~Wvn 1J?dK|% b </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
"EV!>^Z <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
_Zc%z@} <tr>
vEG'HOP <td>
fKtV'/X;Q <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
c={Ft*N <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
.O0O-VD+a <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
9GdB#k6W` 3u33a"nL8 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
7}_! <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
RB?V7 uX T%R:NQf </td>
yE} dj)wd 5yVkb*8HS </tr>
wLV~F[:
~l~Tk6EM </form>
B[9 (FRX PNeh#PI6) 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。
0W^dhYO {k(eNr, 下面是获取用户输入的登陆信息的代码:
A*tKF&U5 string name;
2ij#
H
; name=Request.QueryString["EmailName"];
ueG|*[ ir3VTqz try
^ZTGJ(j7~ {
,1/}^f6 int a=name.IndexOf("@",0,name.Length);
[4J6iF f_user.Value=name.Substring(0,a);
H@uE> f_domain.Value=name.Substring(a+1,name.Length-(a+1));
EC6k{y}bA f_pass.Value=Request.QueryString["Psw"];
:"o
o> }
8p1ziz`4>$ @$eT~ C catch
/hv#CB>1x {
ug`NmIQP Script.Alert("错误的邮箱!");
;PyZ?Z; Server.Transfer("index.aspx");
9F;S+)H4 }