1. 打开新的窗口并传送参数:
?3O9eZY@ #Mg]GeDJ{ 传送参数:
M4WiT<|]R response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
7$rjlVe HV/c c" 接收参数:
=~I-]4 string a = Request.QueryString("id");
wKH ::! string b = Request.QueryString("id1");
2!Bd2 ^'jEnN( 2.为按钮添加对话框
N4*G{g Button1.Attributes.Add("onclick","return confirm(’确认?’)");
FW"^99mrnb button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
5E0eyW (5Sivw*mP 3.删除表格选定记录
c/5W4_J int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
F:#J:x' string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
.Gcy>Av `HuCT6O 4.删除表格记录警告
vzn{h)D private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
x3rlJs`$; {
'q * Bdx switch(e.Item.ItemType)
<|?K%FP7Z {
-TZ p
FT" case ListItemType.Item :
Ez{MU@Fk case ListItemType.AlternatingItem :
uGs;}<<8 case ListItemType.EditItem:
mA7m TableCell myTableCell;
>*$; myTableCell = e.Item.Cells[14];
ESoAzo,u LinkButton myDeleteButton ;
V]S1X^ myDeleteButton = (LinkButton)myTableCell.Controls[0];
?RzD Qy D myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
*MI*Rz?4 break;
y&_m4Zw" default:
c)&>$S8* break;
!Oi~:Pp }
NU(AEfF {J5JYdK }
_owjTo} D=TL>T.bf 5.点击表格行链接另一页
C!C|\$)- private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
|Oag,o" {
Ol$WpM //点击表格打开
8q)= if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
=e?$ M e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
'lZ.j& }
~L7:2weV[ LEEC W_: 双击表格连接到另一页
xLZd!>C 7-_vY[)/ 在itemDataBind事件中
UK*qKj.) if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_{~]/k {
hY<{t.ws string OrderItemID =e.item.cells[1].Text;
BpLEPuu30 ...
t5
a7DD e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
f=J<*h }
x?D/.vrOY [&Hkn5yq 双击表格打开新一页
l0tYG[ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_x1EZ&dh {
#~qAHJ< string OrderItemID =e.item.cells[1].Text;
HI&kP+,y ...
zGc(Ef5`M6 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
NE|[o0On }
VF0dE +pqM ^3t|y ★特别注意:【?id=】 处不能为 【?id =】
cjULX+h 6.表格超连接列传递参数
VanB>|p6 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
> 7`&0? <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
o07IcIo P"7ow- 7.表格点击改变颜色
|s gXh9%x< if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
-T/W:-M( {
9>,Qgp,w e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
2H?d+6Pt3 this.style.color=’buttontext’;this.style.cursor=’default’;");
;BH>3VK }
EEf ]u7 nv5u%B^ 写在DataGrid的_ItemDataBound里
8
|h9sn;P if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
9-jO,l {
+lO'wa7|3 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
kRIB<@{ this.style.color=’buttontext’;this.style.cursor=’default’;");
L*]E`Xxd9 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
:,*eX' fH }
xQt 3[(Z |k-XBp g{pQ4jKF 8.关于日期格式
K}I0o!(# 0kCQ0xB[a5 日期格式设定
a5`eyL[f DataFormatString="{0:yyyy-MM-dd}"
?p8k{N(1 <d$A)S};W 我觉得应该在itembound事件中
WBppKj_M e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
& QZV q" ehO:')XF 9.获取错误信息并到指定页面
4u:0n>nJ1 9F_6}.O 不要使用Response.Redirect,而应该使用Server.Transfer
&y:CW>T$/X m7 XjP2 e.g
f?0s &Xo // in global.asax
QdDtvJLf protected void Application_Error(Object sender, EventArgs e) {
@oH[SWx if (Server.GetLastError() is HttpUnhandledException)
U|fTb0fB Server.Transfer("MyErrorPage.aspx");
q9}2 -0~IY //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
kP,7Li\ }
-ID!pT vW PvOC5b 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
Lk(S2$)* -l.pA(O 10.清空Cookie
{$TZ}z"DA Cookie.Expires=[DateTime];
J@bW^>g*6u Response.Cookies("UserName").Expires = 0
|>sv8/! rye)qp| 11.自定义异常处理
Tt6{WDscZ //自定义异常处理类
.98.G4J> using System;
p5SX1PPQ using System.Diagnostics;
3h JH(ToO Gc5VQ^] namespace MyAppException
!`C?nY {
utd:&q|} /// <summary>
Z t`j\^4n /// 从系统异常类ApplicationException继承的应用程序异常处理类。
)<LI%dQ:'l /// 自动将异常内容记录到Windows NT/2000的应用程序日志
]GS~i+ =M /// </summary>
|e"/Mf[ public class AppException:System.ApplicationException
V
[4n'LcE {
v!!;js^ public AppException()
97x%2.\: {
.wri5 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
T:#S86m }
X<K9L7/* }*-u$=2 public AppException(string message)
5byeWH0n3 {
4Bo<4 4-, LogEvent(message);
$F1_^A[ }
.WO/=#O .P%ym~S public AppException(string message,Exception innerException)
#[,= 1Od(q {
q4k`)?k9 LogEvent(message);
SauHFl8? if (innerException != null)
B$DZ]/< {
h+xA?[c= LogEvent(innerException.Message);
%ph"PR/t? }
#'g^Za }
;&7,73! -Qg,99M //日志记录类
-=>U
=| using System;
o]p#%B?mZ using System.Configuration;
Q4CJ]J` using System.Diagnostics;
NJ>,'s using System.IO;
_2; ^v`[ using System.Text;
z[Z2H5[ using System.Threading;
tU(y~)] iW;}%$lVX namespace MyEventLog
gs-@hR.,s0 {
s`r-v/3l /// <summary>
Jxn3$ /// 事件日志记录类,提供事件日志记录支持
">4PePt.n /// <remarks>
]79~:m[C /// 定义了4个日志记录方法 (error, warning, info, trace)
"I@v&(Am; /// </remarks>
KjBOjD'I /// </summary>
(Hl8U public class ApplicationLog
U>in2u9 {
hR!}u}ECd /// <summary>
f.J9) lfb /// 将错误信息记录到Win2000/NT事件日志中
{v,{x1 /// <param name="message">需要记录的文本信息</param>
!e&rVoA /// </summary>
](_{,P public static void WriteError(String message)
Oy:QkV9 {
mF}c-
D WriteLog(TraceLevel.Error, message);
m$,cH>E }
IX"ZS %3rTQ:X /// <summary>
(*MNox?w /// 将警告信息记录到Win2000/NT事件日志中
qw5&Y$(( /// <param name="message">需要记录的文本信息</param>
sr;:Dvx~ /// </summary>
phr2X*Z/)Y public static void WriteWarning(String message)
9LH=3Qt {
1;aF5~& WriteLog(TraceLevel.Warning, message);
8~.iuFp }
*X~B-a |nJ kkT3wP /// <summary>
sfyBw /// 将提示信息记录到Win2000/NT事件日志中
P@2tR5<R /// <param name="message">需要记录的文本信息</param>
NvUu. /// </summary>
vc )9Re$ public static void WriteInfo(String message)
m dC`W&r {
SOhSg]g WriteLog(TraceLevel.Info, message);
D!X>O} }
^eT@!N /// <summary>
Vu_&~z7h /// 将跟踪信息记录到Win2000/NT事件日志中
c/b%T /// <param name="message">需要记录的文本信息</param>
xy$vYDAFw /// </summary>
m{vT_ei public static void WriteTrace(String message)
%I_&Ehu {
-T 2~W! WriteLog(TraceLevel.Verbose, message);
^CfM|L8> }
giaD9$C T}V7SD. /// <summary>
y>@v>S /// 格式化记录到事件日志的文本信息格式
m
&9)'o /// <param name="ex">需要格式化的异常对象</param>
mgo'MW\ /// <param name="catchInfo">异常信息标题字符串.</param>
Uc\|X;nkRk /// <retvalue>
`oB' ( /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
^a086n /// </retvalue>
>BJ2v=RA /// </summary>
2^cAK t6bC public static String FormatException(Exception ex, String catchInfo)
w/qQ(]n8 {
'&RZ3@}+ StringBuilder strBuilder = new StringBuilder();
BXT80a\ if (catchInfo != String.Empty)
Pbc`LN/s| {
#x, ]D strBuilder.Append(catchInfo).Append("\r\n");
;n3uV`\ }
NdM}xh strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
PXOrOK return strBuilder.ToString();
mw:3q6 }
YnKFcEJrT OI'uH$y /// <summary>
hCU)W1q# /// 实际事件日志写入方法
;~}-AI- /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
d8xk&za /// <param name="messageText">要记录的文本.</param>
+<'uw /// </summary>
C*"Rd private static void WriteLog(TraceLevel level, String messageText)
c80
}1 {
p6<E=5RRd1 try
3{ .9O$ {
=@bXGMsV! EventLogEntryType LogEntryType;
@).WIs switch (level)
vN{vJlpY {
wk-Mu\ case TraceLevel.Error:
2z.k)Qx!Z LogEntryType = EventLogEntryType.Error;
1.hOE>A% break;
Wwn5LlJ^ case TraceLevel.Warning:
~*66 3pA LogEntryType = EventLogEntryType.Warning;
2N6Pa(6 break;
<ol$-1l#9 case TraceLevel.Info:
&M!4]pow LogEntryType = EventLogEntryType.Information;
3&.TU5]`- break;
h1Ke$#$6 case TraceLevel.Verbose:
uKLOh<oio LogEntryType = EventLogEntryType.SuccessAudit;
'0\0SL break;
rC=p;BC@dD default:
Z&~k]R0y LogEntryType = EventLogEntryType.SuccessAudit;
pHI%jHHJ break;
Wh#_9); }
`~w%Jf ,gFL Wb`B' EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
UiGUaB mF* //写入事件日志
TE*> a5C| eventLog.WriteEntry(messageText, LogEntryType);
9*GL@_c !Szgph"ul }
lB5[#z catch {} //忽略任何异常
&lXx0"-$ }
'W<a54T?z } //class ApplicationLog
18[?dV }
d\1:1ucV [T$$od[. 12.Panel 横向滚动,纵向自动扩展
U 8qKD <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
7|{%CckN
(HTk;vbZm 13.回车转换成Tab
e!:?_z." <script language="javascript" for="document" event="onkeydown">
.R<s<] if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
,M+h9_&0? event.keyCode=9;
(rY1O:*S </script>
`9G$p|6 R'1vjDuv onkeydown="if(event.keyCode==13) event.keyCode=9"
H|(*$!~e `*uuB; 14.DataGrid超级连接列
IdC k DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
K4VPmkG g-T X;( 15.DataGrid行随鼠标变色
<O`q3u'l private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
JydQA_ {
5. +$v4 if (e.Item.ItemType!=ListItemType.Header)
x""Mxn]gD {
x.yb4i=Jq e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
h} b^o* e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
R!M|k%( }
`6l24_eKf }
@Tj
6!v :67d>wb 16.模板列
>P]I&S-. <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
w~FO:/ <ITEMTEMPLATE>
XN 0RT>@ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
'!|E+P- </ITEMTEMPLATE>
H 29 _ / </ASP:TEMPLATECOLUMN>
\gPNHL* =tvm= <ASP:TEMPLATECOLUMN headertext="选中">
V.OoZGE>] <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
[wpt[zG <ITEMTEMPLATE>
|SJ%
_#=i <ASP:CHECKBOX id="chkExport" runat="server" />
d+$[EDix </ITEMTEMPLATE>
%y^Kw <EDITITEMTEMPLATE>
0"D?.E"$r <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
fPuQ,J2= </EDITITEMTEMPLATE>
a1Y _0 </ASP:TEMPLATECOLUMN>
f@V{}&ZWp >Gu>T\jpe. 后台代码
Ml_:Q]kl^ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
:-jP8X {
%L=h}U13 //改变列的选定,实现全选或全不选。
'5+, lRu CheckBox chkExport ;
Jut'xA2Dr if( CheckAll.Checked)
~'YSVx& ) {
oz5lt4 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
9?mOLDu}Q0 {
AXv3jH,HF chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
f>JzG,- chkExport.Checked = true;
N`mC_) }
[}g5Z=l }
=GS_ G;Dz else
L bK1CGyA {
FU3IK3} foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
OsuSx^} {
pmXWI`s chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
:.o0< chkExport.Checked = false;
3n"&$q6 }
g&20F`.N*> }
{>qrf: }
xuC6EK+ sg~/RSJ3 17.数字格式化
=:T:9Y_ i J'oz P^N 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
PzG:M7 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
2/W0y!qh1 w@D@,q'x int i=123456;
]>j_
Y, string s=i.ToString("###,###.00");
e70*y'1fu /zAx`H 18.日期格式化
o^J&c_U\3' HRh".!lxy 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
@[lr
F7`o 4Yk(ldR~ 显示为: 2004-8-11 19:44:28
CdjGYS %&NK|M+n 我只想要:2004-8-11 】
v.J#d>tvf <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
C\K-- nIT=/{oyi 应该如何改?
"Y6mM_flq B(U`Zd 【格式化日期】
>Li?@+Zl $Vh82Id^ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
w0SgF/"@ Vy VC#AK, 【日期的验证表达式】
-0Ek&"=Z^ )i>KgX A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
otx7J\4 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
;2~Q97c0 FB`HwE< B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
-W,b*U ^\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]))$
c+c^F/ _BV:i:z 【大小写转换】
7BnP,Nd"W HttpUtility.HtmlEncode(string);
I._=q HttpUtility.HtmlDecode(string)
9#7zjrB "-oC,;yq 19.如何设定全局变量
!ywc). ]e {lA@I*_lj Global.asax中
wl4yNC ~czt= Application_Start()事件中
A
[JV*Dt idq= US 添加Application[属性名] = xxx;
"Q( 8FF [F$3mzx 就是你的全局变量
e0P1FD<@ - U|4`{PP 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
l`k3!EZDS G[mYx[BTz HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
cVMTT]cj1 wFD.3! 【ASPNETMENU】点击菜单项弹出新窗口
NZ#z{JI=+ a)e2WgVB/E 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
6ZE]7~X <?xml version="1.0" encoding="GB2312"?>
DbDpdC; <MenuData ImagesBaseURL="images/">
!PgYn <MenuGroup>
&1&*(oi]X <MenuItem Label="内参信息" URL="Infomation.aspx" >
Wd7*sa3T <MenuGroup ID="BBC">
px*MOHq K <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
eP)RP6ON{ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
9M6&+1XE ......
bFpwq#PDW> KLk37IY2\ 最好将你的aspnetmenu升级到1.2版
lyyi?/W% ? DPL7 21.读取DataGrid控件TextBox值
ci!c7 ,'c foreach(DataGrid dgi in yourDataGrid.Items)
SFjN5u {
xc!"?&\* TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Bn.8wMB tb.Text....
5o,82Kti }
!`u)&.t7 ~9{.!7KPc 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
FY'f{gD^ MKbW^: 〖思归〗
?h{ & <asp:TemplateColumn HeaderText="数量">
oyUf/Sl <ItemTemplate>
h:|aQJG5 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Co'dZd( onkeyup="javascript:DoCal()"
UZyo:*yB />
Nz m
7E] wm}i+ApK <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
yEH30zSt </ItemTemplate>
EfOJ%Xr[,l </asp:TemplateColumn>
4`i_ 4&TS aJub(" <asp:TemplateColumn HeaderText="单价">
rA9"CN <ItemTemplate>
yPL@uCzA@ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
t({:TQ onkeyup="javascript:DoCal()"
C&Rv)j />
!a
/ km *$;Nli <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
6JJ%`Uojh YYhRdU/g </ItemTemplate>
. uhP( </asp:TemplateColumn>
/
JlUqC rt f}4. <asp:TemplateColumn HeaderText="金额">
,9=a(j" <ItemTemplate>
z7NaW e <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
LdA&F&
pI </ItemTemplate>
0%v
p'v </asp:TemplateColumn><script language="javascript">
CYz]tv}g: function DoCal()
t;
"o,T {
Z(Xu>ap var e = event.srcElement;
D{c`H}/` var row = e.parentNode.parentNode;
PX+$Us var txts = row.all.tags("INPUT");
!tN]OQ)' if (!txts.length || txts.length < 3)
[9X1;bO#f return;
dY|( /,wG$b+ var q = txts[txts.length-3].value;
q_JES4ofx var p = txts[txts.length-2].value;
uYF_sf Wo\NX05-? if (isNaN(q) || isNaN(p))
O]`CSTv'_ return;
R:-^,/1 cSQvP. q = parseInt(q);
jf@#&%AC9 p = parseFloat(p);
/&a[D2 <Xv]Ih?@f` txts[txts.length-1].value = (q * p).toFixed(2);
[26"?};"% }
A6=
Um%T </script>
0Kq\ oMn t\S}eoc xrS;06$ \f05(ld mKfT4t 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。
v~9PS2 page_load
5'Y @c page.smartNavigation=true
["kk.*& V_$ BZm%8J 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 ?
9H`Q
|7g(5 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
Y 8EL {
}PUQvIGZZ& for(int i=0;i<e.Item.Cells.Count-1;i++)
i.C+{QH if(e.Item.ItemType==ListItemType.EditType)
+m^ gj:yL {
XnV*MWv e.Item.Cells.Attributes.Add("Width", "80px")
N[~RWg }
TkM8GK-3 }
g/)mbL>= 1.6yi];6 26.对话框
|L11?{ K private static string ScriptBegin = "<script language=\"JavaScript\">";
Mpzt9*7R private static string ScriptEnd = "</script>";
<j+DY@* N`h, 2!(j public static void ConfirmMessageBox(string PageTarget,string Content)
*VG#SK {
!?,7Cu.5#6 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
L'iENZI$ GWsvN&nr ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
4V@raI- c|.~f+ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
0z1m!tr ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
W2?6f: //Response.Write(strScript);
|3<tDq@+ }
0K<y
} x1VBO.t=* 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
N_Q)AXr) |`B*\\ 1 1.1 取当前年月日时分秒
bFD
vCF currentTime=System.DateTime.Now;
hLK5s1#K -.<fGhmU 1.2 取当前年
R/Y9t8kk int 年= DateTime.Now.Year;
z~f Zg6 _IYd^c 1.3 取当前月
pBl'SQccp int 月= DateTime.Now.Month;
,j E'd'$ -5B>2K F 1.4 取当前日
s\O4D*8 int 日= DateTime.Now.Day;
s&&8~
)H .
7*k}@k 1.5 取当前时
Zq1ZrwPF int 时= DateTime.Now.Hour;
69/aP= 7~& 1.6 取当前分
W}jel}: int 分= DateTime.Now.Minute;
k@:M#?(F cBcfGNTJ~ 1.7 取当前秒
oHh~!#u int 秒= DateTime.Now.Second;
qV]p\/a. w(Jf;[o 1.8 取当前毫秒
$.HZz int 毫秒= DateTime.Now.Millisecond;
Xf
0)i >2vUFq`H 28.自定义分页代码:
0#Ivo<V ufl[sj%^| 先定义变量 :
7 6 nrDE public static int pageCount; //总页面数
W3Gg<!*Uo public static int curPageIndex=1; //当前页面
v\lhbpk b-!+Q) 下一页:
oW
! Z=; if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
J n>3c {
=f~8"j DataGrid1.CurrentPageIndex += 1;
Odn`q= curPageIndex+=1;
y0}3s)lKv }
_L8|ZV./ +|0f7RB+R bind(); // DataGrid1数据绑定函数
&BOq%*+ 1F|e/h%^ 上一页:
1PGY/c
if(DataGrid1.CurrentPageIndex >0)
x)}.@\&% {
mM#[XKOC< DataGrid1.CurrentPageIndex += 1;
LOO<)XFJ curPageIndex-=1;
wmV7g7t6 }
vM3 b\yp 9Gh:s6 bind(); // DataGrid1数据绑定函数
wqnrN6$jf s2f6;Yc 直接页面跳转:
C\`*_t int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
>PbB /-> /E %^s3S. if(a<DataGrid1.PageCount)
y,/Arl}yc {
[[XbKg`"? this.DataGrid1.CurrentPageIndex=a;
;6)Onwx }
/`kM0=MMa ~7 w"$H8 bind();
DYf3>xh>xb &"gQrBa 29.DataGrid使用:
F=g+R~F D[H #W[ 添加删除确认:
/LK,:6 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
?y/LMja {
[`n)2}
k foreach(DataGridItem di in this.DataGrid1.Items)
[,a2A {
)JsmzGC0 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
k>.n[`>$6| {
dje}CbZ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
-dyN
Ah?= }
K@<%Vc>L( }
EEJ OJ< }
WU+OS( )` z{T 样式交替:
o"gtWAGH ListItemType itemType = e.Item.ItemType;
w,x'FZD DG-XX.:z if (itemType == ListItemType.Item )
/idrbc {
bu:%"l e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
NsN =0ff e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
"6t# }
O<>cuW(l else if( itemType == ListItemType.AlternatingItem)
wa%;'M& {
oYmLJzCf e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
N<e72x e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
[bh8Nj\E }
V`& O` zDohp 5, 添加一个编号列:
yt[vd8O'c DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
|r<#>~* DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
vPce6 Cl* S{fFpe- for(int i=0;i<dt.Rows.Count;i++)
n6C]JWG\/U {
SCL8.%z D dt.Rows["number"]=(i+1).ToString();
nXJG4$G }
_j sJS<21 xcM*D3 DataGrid1.DataSource=dt;
3PUyua' DataGrid1.DataBind();
zI{~;`tzN L/KiE+Y DataGrid1中添加一个CheckBox,页面中添加一个全选框
i(mQbWpN private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Hw1:zro {
]9PQKC2& foreach(DataGridItem thisitem in DataGrid1.Items)
.8dlf7* , {
=-%10lOI ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
?2nF1>1 }
T=,A p a }
kK~,?l %DhM }f 将当前页面中DataGrid1显示的数据全部删除
@;t6Slc"~ foreach(DataGridItem thisitem in DataGrid1.Items)
;"w?@ELE {
$!v:@vNMs if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
py }`thx {
NbPNcjPL string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
_?oofE:{ Del (strloginid); //删除函数
@8eQ|.q]Q }
1"wZ [. }
%EEQ^lm ~A@HW!*Z@ 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
LTw.w:"J Bdr'd? u<A 在Application_Start中添加以下代码:
<?FkwW\? Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
D~b_nFD AppSettings["ConnStr"].ToString();
M2!2J zVvL! 31. 变量.ToString()
bPA >xAH vHXCT?FuG 字符型转换 转为字符串
s8.SEk|pB 12345.ToString("n"); //生成 12,345.00
!:wA\mAd 12345.ToString("C"); //生成 ¥12,345.00
*2>kic
aH 12345.ToString("e"); //生成 1.234500e+004
Xv<K>i>k 12345.ToString("f4"); //生成 12345.0000
b_Dd$NC 12345.ToString("x"); //生成 3039 (16进制)
g[Q+DT 12345.ToString("p"); //生成 1,234,500.00%
"'74GY8, I=2b)"t0 32、变量.Substring(参数1,参数2);
CB^.N>' A)_HSIVi 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);
`8/D$ 26ae|2?
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)
ipC
<p?PpR <SCRIPT language="javascript">
"A]#KTP <!--
\l1==,wk function gook(pws)
4n} a%ocv^ {
'81c>qA frm.submit();
9Cz|?71 }
nc^DFP //-->
TPVB{
107 >%H(0G#X </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
l5/gM[0_7 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
E N rcIZ <tr>
VWK%6Ye0 <td>
?$#P
=VK <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
d:pGdr& . <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
{zalfw{+
<input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
C6'K)P[p 3sD|R{ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
&2bqL!k <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
{H* 3EHB~rL/C </td>
8Si3
aq3 tl;b~k </tr>
1Qw_P('} wC?$P </form>
uUb`Fy9 ey6ujV7! 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。
h[mJ=LIrg <eZ*LK? 下面是获取用户输入的登陆信息的代码:
c \;_jg string name;
t.#ara{ name=Request.QueryString["EmailName"];
{&J~P&,k pI_dV44W try
2 w6iqLr? {
/;kSa}"Q int a=name.IndexOf("@",0,name.Length);
p zZ+!d f_user.Value=name.Substring(0,a);
pp{2[> f_domain.Value=name.Substring(a+1,name.Length-(a+1));
L5'?.9] f_pass.Value=Request.QueryString["Psw"];
3W%j^nM }
?:h*=0> v-BQ>-& s catch
md,KRE {
+D2I~hC0' Script.Alert("错误的邮箱!");
t3h ){jZ Server.Transfer("index.aspx");
txvo7?Y*4 }