1. 打开新的窗口并传送参数:
rfk{$g Y# }qXXZ>] 传送参数:
6 J>A U response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
4'z)J1M V8/4:Va7s 接收参数:
Qs\a&Q=0H string a = Request.QueryString("id");
q=pRe-{ string b = Request.QueryString("id1");
jJIP $ x*H#?.E 2.为按钮添加对话框
+j{Cfv$do Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Il
[~ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
!JXiTI! ~vz%I^xW 3.删除表格选定记录
1r=cCM int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
A,F~*LXm string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
:(]fC~G~ pq`uB 4.删除表格记录警告
,NQ!d4~D private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
F` 7v {
g
`s|]VNt switch(e.Item.ItemType)
0!,uo\` {
=.z;:0]'n case ListItemType.Item :
Wxj_DTi[1" case ListItemType.AlternatingItem :
j{lurb)y case ListItemType.EditItem:
%M`48TW) TableCell myTableCell;
fHd[8{;P: myTableCell = e.Item.Cells[14];
:|n[z jK/S LinkButton myDeleteButton ;
{.2\}7.c myDeleteButton = (LinkButton)myTableCell.Controls[0];
JaUzu3*= myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
'^TeV= break;
*b>RUESF default:
`,6|6.8# break;
V22z-$cb }
QdgJNT<=H, ;mEn@@{ }
O q$_ q UF7h{V}) 5.点击表格行链接另一页
f|,Kh1{e private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{_N9<i{T {
wPM&N@Pf //点击表格打开
s)- ;74( if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
O2 >c|=# e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
5TJd9:\Af }
o6vnl opa}z-7>^ 双击表格连接到另一页
+51heuu[o )'~Jsg- 在itemDataBind事件中
aqEZhMy if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
fk,Vry {
To(I<W|{ string OrderItemID =e.item.cells[1].Text;
GqHW.s5 ...
5hmfdj6 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
\'Ae,q|w }
*,JE[M @e<(o
UE 双击表格打开新一页
k4iiL<| if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
yU!1q}L! {
ES4Wtc)& string OrderItemID =e.item.cells[1].Text;
^:-GPr ...
Y5tyFi#w[ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
ai-s9r'MI? }
7}VqXUwabx 3`cA!ZVQ ★特别注意:【?id=】 处不能为 【?id =】
bVUIeX' 6.表格超连接列传递参数
n/skDx TE <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
#B5,k|"/,M <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
o{y}c-> ?)1Y|W'Rv 7.表格点击改变颜色
xoo,}EY if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
kY$EK]s {
~Fuq{e9` e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
XY| y1L 3[ this.style.color=’buttontext’;this.style.cursor=’default’;");
44}5o }
jM\{*!7b &1Ndi<Y^ 写在DataGrid的_ItemDataBound里
_ 94
W@dW if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
h&i*=&<HP6 {
VVDN3 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
\I!mzo this.style.color=’buttontext’;this.style.cursor=’default’;");
JVuju$k e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
nmU1xv_ }
XX/gS=NE#. \Sd8PGl*' ;Xt<\^e 8.关于日期格式
%[$HX'Y ~gpxK{ 日期格式设定
Kd-1EU DataFormatString="{0:yyyy-MM-dd}"
-qj[ck(y rk8pL[| 我觉得应该在itembound事件中
o^/
#i`) e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
| @AXW Y_CVDKdcY 9.获取错误信息并到指定页面
V^,gpTyv* _4N.]jr5 不要使用Response.Redirect,而应该使用Server.Transfer
mU-2s%X<.^ w5 . ^meU e.g
tkctwjD // in global.asax
/Q3>w -h protected void Application_Error(Object sender, EventArgs e) {
R->x_9y-R if (Server.GetLastError() is HttpUnhandledException)
|4mvB2r Server.Transfer("MyErrorPage.aspx");
-iiX!@ _uO$=4Sd //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
,m<YSMKX }
9InP2u\&: *Y(59J2 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
Y ]([K.I= +fk*c[FG 10.清空Cookie
7z$Z=cs Cookie.Expires=[DateTime];
]u5TvI,C Response.Cookies("UserName").Expires = 0
Hi09?AX QH-CZ6M 11.自定义异常处理
fi
HE`]0 //自定义异常处理类
2?~nA2+vm using System;
!}!KT(%% using System.Diagnostics;
:C_/K(Rkl D
5r H6*J namespace MyAppException
i%9vZ {
m ~&
/// <summary>
\( s `=(t /// 从系统异常类ApplicationException继承的应用程序异常处理类。
FFqK tj's /// 自动将异常内容记录到Windows NT/2000的应用程序日志
ya&=UoI /// </summary>
WkuCnT public class AppException:System.ApplicationException
jOV6% {
sa8O<Ab public AppException()
*/e$S[5 {
"\@J0|ppb if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Ve(<s
}
dCoP
qKy Gt&yz"?D public AppException(string message)
>.qFhO\1so {
iLnW5yy LogEvent(message);
i?/Q7D<P }
^^v3iCT J,Ki2'= public AppException(string message,Exception innerException)
50MM05aC {
Tm`@5 LogEvent(message);
rT `sY if (innerException != null)
!kSemDC {
fJ/INL LogEvent(innerException.Message);
B[ZQn]y }
L~5f*LE$1 }
k)3N0]q6 }K) AjZ //日志记录类
N 8[rWJ# using System;
x~5,v5R^] using System.Configuration;
1vo3aF using System.Diagnostics;
dLYM )-H`> using System.IO;
Wq3PN^ using System.Text;
W$jRS using System.Threading;
={xRNNUj_ 7;p/S#P: namespace MyEventLog
LhAN( [ {
.h
<=C&Yg /// <summary>
]lA}5 /// 事件日志记录类,提供事件日志记录支持
&n| <NF /// <remarks>
1#N`elm /// 定义了4个日志记录方法 (error, warning, info, trace)
n*9QSyJN] /// </remarks>
diNSF-wi,, /// </summary>
qK$O /g, public class ApplicationLog
8(n>99VVK {
nN&dtjoF /// <summary>
$@6q5Iz!& /// 将错误信息记录到Win2000/NT事件日志中
#Tc`W_- /// <param name="message">需要记录的文本信息</param>
Vb?wwx7= /// </summary>
/HUT6B public static void WriteError(String message)
2(!W
9#] {
iY`[dsT WriteLog(TraceLevel.Error, message);
#q:j~4)h }
eY`z\I 7a_8007$l /// <summary>
9%kO%j,3 /// 将警告信息记录到Win2000/NT事件日志中
1CJ1-]S(3 /// <param name="message">需要记录的文本信息</param>
Lf9s'o}.R /// </summary>
z2V ->UK) public static void WriteWarning(String message)
NCg("n,jx {
2XyyU}.$ WriteLog(TraceLevel.Warning, message);
Bj{J&{ }
|34k;l]E 2.nT k /// <summary>
IgJG,!>h /// 将提示信息记录到Win2000/NT事件日志中
kDJYEI9j> /// <param name="message">需要记录的文本信息</param>
JQ
?8yl
/// </summary>
f]10^y5& public static void WriteInfo(String message)
yx#!2Z0hw {
V+y|C[A
F
WriteLog(TraceLevel.Info, message);
gGNo!'o }
9+(6/< /// <summary>
KOR*y(* 8 /// 将跟踪信息记录到Win2000/NT事件日志中
d3a!s /// <param name="message">需要记录的文本信息</param>
0<uL0FOT /// </summary>
KYkS^v public static void WriteTrace(String message)
!JdZ0l {
0Bgj.?l WriteLog(TraceLevel.Verbose, message);
a:P+HU: }
\gT({XU? q !}~c /// <summary>
vZQraY nJ /// 格式化记录到事件日志的文本信息格式
R,.qQF\* /// <param name="ex">需要格式化的异常对象</param>
yuq o ^i /// <param name="catchInfo">异常信息标题字符串.</param>
lw8t#_P /// <retvalue>
Jm=3%H /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
0XljFQ /// </retvalue>
.`KzA] /// </summary>
\|vo@E public static String FormatException(Exception ex, String catchInfo)
p}~Sgi {
ymrnu-p o StringBuilder strBuilder = new StringBuilder();
,4,Bc< if (catchInfo != String.Empty)
F'wG% {
'ym Mu}q strBuilder.Append(catchInfo).Append("\r\n");
DQ$m@_/4w }
l^tRy_T:- strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Z[!kEW return strBuilder.ToString();
a"}ndrc* }
]/p>p3@1C EFU)0IAL[ /// <summary>
ENA"T-p /// 实际事件日志写入方法
w}/+3z /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
p1GP@m,^n0 /// <param name="messageText">要记录的文本.</param>
2I suBX\[ /// </summary>
18~jUYMV private static void WriteLog(TraceLevel level, String messageText)
9h+TO_T@F {
>BJBM | try
wg
k[_i {
3 q8S EventLogEntryType LogEntryType;
^Et^,I:` switch (level)
L09r|g4Z {
N:KM8PZ&~ case TraceLevel.Error:
hw`pi6
LogEntryType = EventLogEntryType.Error;
w$]wd`N} break;
A]%*ye"NT case TraceLevel.Warning:
PXl%"O%d LogEntryType = EventLogEntryType.Warning;
Q4Wz5n1yp7 break;
?]*"S{Cq v case TraceLevel.Info:
lt'N{LFvc LogEntryType = EventLogEntryType.Information;
)C\/ ( break;
)`<&~>qp case TraceLevel.Verbose:
`p)U6J LogEntryType = EventLogEntryType.SuccessAudit;
25 U+L break;
=^zGn+@z default:
Fv(FRZ) LogEntryType = EventLogEntryType.SuccessAudit;
b5~p:f-&4B break;
Z>/
*q2 }
CZ^
,bad ]"O*& EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
~md06"AYJ //写入事件日志
h8k\~/iJ eventLog.WriteEntry(messageText, LogEntryType);
DoBQ$Ke p 4j,6t|T }
_/ 5 catch {} //忽略任何异常
vEE\{1 }
Vv`94aQTD } //class ApplicationLog
S]}}r) }
O#!|2qN [Tvdchl OC 12.Panel 横向滚动,纵向自动扩展
nXuy&;5TL, <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
@d8Nr: 2#qcYU 13.回车转换成Tab
CCC9I8rZD <script language="javascript" for="document" event="onkeydown">
#l* w=D? if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
M)JozD% event.keyCode=9;
Ag{)?5/d_ </script>
0XC3O 8q C%%gCPI^y onkeydown="if(event.keyCode==13) event.keyCode=9"
sA+K?_ +~1FKLu 14.DataGrid超级连接列
A58P$#)? DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
IW}Wt{'m @eESKg(, 15.DataGrid行随鼠标变色
jW^]N$> private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
t8lGC R {
,l,q;]C% if (e.Item.ItemType!=ListItemType.Header)
I4<_y5 {
ZBH^0 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
x*X{*?5@ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
H4wDF:n0H }
SpIiMu( }
|g!$TUS. FLG{1dS 16.模板列
0=9$k <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
q&:%/?)x <ITEMTEMPLATE>
McbbEs=) <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
[1Qg * </ITEMTEMPLATE>
+'w6=qI </ASP:TEMPLATECOLUMN>
!4z vkJO 4kK_S.& <ASP:TEMPLATECOLUMN headertext="选中">
V~-tp^ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
^%\MOjSN <ITEMTEMPLATE>
R9K~b^` <ASP:CHECKBOX id="chkExport" runat="server" />
_Wp.s]D [ </ITEMTEMPLATE>
" w /Odd <EDITITEMTEMPLATE>
4,=;:#n,J <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
ZBQ @S </EDITITEMTEMPLATE>
1bDXv,nD </ASP:TEMPLATECOLUMN>
>C5u>@%9O k|jr+hmn": 后台代码
tQ.H/; protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
kf95 )iLo {
ExFz@6@ //改变列的选定,实现全选或全不选。
"d0D8B7HI@ CheckBox chkExport ;
|WT]s B0Eq if( CheckAll.Checked)
c:B` < {
j]mnH`#BL foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
#B!M,TWf9s {
jnM}N:v chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
LXth-j=] chkExport.Checked = true;
Zx: h)I }
g">^#^hBE }
{=,I>w]T|W else
S`TQWWQo; {
y M-k]_ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
>oi?aD% {
HRCnjem/v\ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*
]D{[hV chkExport.Checked = false;
YB:}Lb }
I%<pS,p }
fMM%,/b{ }
hdmKD0 7^d7:1M 17.数字格式化
\W\*'C8q\ 9pWSvalw9 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
*dC&*6Rx <%#Container.DataItem("price","{0:¥#,##0.00}")%>
,.|/B^jV Q/h-Khmz int i=123456;
+A$>F@u string s=i.ToString("###,###.00");
*q[;-E(fZ# eq<!
18.日期格式化
Czy}~;_Ay yGV>22vv
M 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
gr@Ril^ I;G(Wj 显示为: 2004-8-11 19:44:28
j^hLn> /?S^#q>m% 我只想要:2004-8-11 】
xm=$D6O: <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
& Yx12B\ }iUpBn 应该如何改?
fILvEf4b ~Jj~W+h 【格式化日期】
Tgbq4xR( -]n%+,3L
取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
y(^\]-fE )dJx82"
l 【日期的验证表达式】
cVr+Wp7K#| G9GLRdP A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
ekmWYQ
~ ^((\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})))?$
|goK@< % w B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Fw}|c ^\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]))$
<zAYq=IU jmP;(j.| 【大小写转换】
',rK\&lL6 HttpUtility.HtmlEncode(string);
(I35i!F+tY HttpUtility.HtmlDecode(string)
G68@(<<Z ;=6EBP% 19.如何设定全局变量
,^DP 0y+i?y
9 Global.asax中
2n-kJl`: O h[<l2fy Application_Start()事件中
GY^;$ ? {.y_{yWo 添加Application[属性名] = xxx;
C46jVl #~.RJ% 就是你的全局变量
Io&HzQW^a lJT"aXt'M 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
7;&,LH Sn'
+~6i HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
L1y71+iqU Vobq|Rd/% 【ASPNETMENU】点击菜单项弹出新窗口
=+q\Jh j5]ul!ji 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Y4_xV& <?xml version="1.0" encoding="GB2312"?>
/?Mr2!3N <MenuData ImagesBaseURL="images/">
YhC|hDC <MenuGroup>
l@-h.tS <MenuItem Label="内参信息" URL="Infomation.aspx" >
ooC9a>X <MenuGroup ID="BBC">
A(cR/$fn6 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
;BKU
_}k= <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
(Q8r2*L ......
#l3)3k*; Tf?`_jL 最好将你的aspnetmenu升级到1.2版
!_B*Po -*Th=B- 21.读取DataGrid控件TextBox值
9QL%q;
# foreach(DataGrid dgi in yourDataGrid.Items)
Zs ,6}m\ {
&
Y2xO TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Bvh{|tP4 tb.Text....
1i'y0]f }
1uB$@a\ KD H<T4#x 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?
:F@goiuC A
r>BL2@ 〖思归〗
Xkg <asp:TemplateColumn HeaderText="数量">
i$<")q <ItemTemplate>
>mG64N <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
7q5*grm onkeyup="javascript:DoCal()"
Z&P\}mm />
P|]r*1^5 U4yl{? <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
pVrY';[,| </ItemTemplate>
Uqy/~n-v< </asp:TemplateColumn>
-|>T?
t'K EbVva{;#$; <asp:TemplateColumn HeaderText="单价">
i"
)_Xb_1 <ItemTemplate>
nj0]c`6rN@ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
siT`O
z|, onkeyup="javascript:DoCal()"
U~;tk@ />
+lhCF*@*N %H2ios[UO <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
o
P;6i &g1\0t </ItemTemplate>
a6 0rJ#GD </asp:TemplateColumn>
F[`dX E0EK88 <asp:TemplateColumn HeaderText="金额">
<gfRAeXA <ItemTemplate>
V*@Y9G <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
A^A)arJS </ItemTemplate>
N;6o=^ic </asp:TemplateColumn><script language="javascript">
g|7o1{ function DoCal()
Id>4fF:o {
t8rFn var e = event.srcElement;
D|Wlq~IpQ var row = e.parentNode.parentNode;
D}j`T var txts = row.all.tags("INPUT");
cC+2%q B if (!txts.length || txts.length < 3)
`|nCnT' return;
V/kndV[j oD1k7Gq1 var q = txts[txts.length-3].value;
Xc}XRKiy{ var p = txts[txts.length-2].value;
<c:H u{D U V*Ruy- if (isNaN(q) || isNaN(p))
7]ysvSM return;
KB(W'M_D\ :Jv5Flxl q = parseInt(q);
/>/e p = parseFloat(p);
wJCw6&D,/ 6N5(DD txts[txts.length-1].value = (q * p).toFixed(2);
1 <+aF, }
+}a(jO </script>
Jww#zEK X;Sb^c"j1 Y:t?W :zLf~W T<?kH 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。
FO:L+&hr?> page_load
^\?Rh(pu page.smartNavigation=true
s&-MJ05y aekke//y 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 ?
*kg->J private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
|iUC\F=- {
g$?^bu dxv for(int i=0;i<e.Item.Cells.Count-1;i++)
Q{L:pce- if(e.Item.ItemType==ListItemType.EditType)
]+W){W=ai {
O=(F46 M e.Item.Cells.Attributes.Add("Width", "80px")
EwA* }
4gsQ:3 }
7bihP@I! ZDgT"53 26.对话框
?4Rd4sIM$u private static string ScriptBegin = "<script language=\"JavaScript\">";
V|$PO
Qa3 private static string ScriptEnd = "</script>";
p?,<{mAe "wTCO1 public static void ConfirmMessageBox(string PageTarget,string Content)
o5NmNOXm {
=\5WYC string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
G[yzi hr 6j+p: ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
}&e HU C49\'1\6 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
X.k8w\~ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
V<jj'dZfW //Response.Write(strScript);
J&,hC%] }
%oTBh* K'o x5BS|3W$a 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
h\w;SDwOk ,)#rD9ZnC 1.1 取当前年月日时分秒
MK)}zjw currentTime=System.DateTime.Now;
1BU97!
5)lcgvp 1.2 取当前年
1p$(\ int 年= DateTime.Now.Year;
"8ellKh Kq-1 b 1.3 取当前月
h%ys::\zF int 月= DateTime.Now.Month;
Vb\g49\o/ 2a
eH^:u 1.4 取当前日
/}8Au$nA int 日= DateTime.Now.Day;
,.cR @5qI _G/R;N71 1.5 取当前时
jgIG";:Q int 时= DateTime.Now.Hour;
abR<( H12 qpYgTn8l7 1.6 取当前分
vf{$2rC int 分= DateTime.Now.Minute;
{L%J DJ o&Xp%}TI 1.7 取当前秒
=-fM2oiI: int 秒= DateTime.Now.Second;
w.(W G+ phjM(lmCo 1.8 取当前毫秒
SYA~I-OYc int 毫秒= DateTime.Now.Millisecond;
e,_Sj(R8 0lg'QG> 28.自定义分页代码:
(4/"uj5 $Z#~wsw 先定义变量 :
}%/mPbd# public static int pageCount; //总页面数
]$r]GVeN}H public static int curPageIndex=1; //当前页面
yVmp,""a aO&{.DO2 下一页:
A_wf_.l4h if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
bHnKtaK4c {
<m`CLVx8m DataGrid1.CurrentPageIndex += 1;
/-[vC$B" curPageIndex+=1;
iIX%%r+ }
A'z]?xQR PKrG6%
W+ bind(); // DataGrid1数据绑定函数
9u{[e" &'W7-Z\j- 上一页:
oOpEpQ}}q if(DataGrid1.CurrentPageIndex >0)
(l{8Ixs {
;P)oKx DataGrid1.CurrentPageIndex += 1;
-^CW}IM{ I curPageIndex-=1;
w!6{{m }
E0+L?(; sT2`y$' bind(); // DataGrid1数据绑定函数
7CH&n4v KJec/qca 直接页面跳转:
cLf90|YFp int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
L{%L*z9J ,5;M(ft# if(a<DataGrid1.PageCount)
`J,>#Y6(J {
p7Wt(A this.DataGrid1.CurrentPageIndex=a;
}vZf&ib-
}
-J+1V{ ~iH a^i?2* bind();
pJ/]\>#5 qr%N/7 29.DataGrid使用:
)y*&&q
*mp:#' 添加删除确认:
$5 mGYF] private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
3Jizv,? {
SqPqL<,e foreach(DataGridItem di in this.DataGrid1.Items)
&@oI/i&0B {
]j>xQm\ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
uK" T~ {
$\J5l$tU ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
p-.kBF }
h#r~2\q4ei }
/e>%yq<9B }
D=z~]a31! -\f7qRW^U 样式交替:
@`L;_S+ ListItemType itemType = e.Item.ItemType;
V*\hGNV S}JOS}\^j if (itemType == ListItemType.Item )
l}L81t7f {
\[3~*eX6 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
h6D4CT e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
)mm0PJF~q }
_{k*JT2 else if( itemType == ListItemType.AlternatingItem)
({t^/b*8 {
+=E\sEe e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
S2'a i e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
zBy} > Jx }
.yy*[56X HC$%"peN1b 添加一个编号列:
Wf3BmkZzz DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
5eff3qrH{ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
BC.3U.
d9S/_iCI for(int i=0;i<dt.Rows.Count;i++)
ny13+Q`^ {
{FvFah dt.Rows["number"]=(i+1).ToString();
5/'Q0]4h }
t7-]OY7%w_ 3Sfd|0^ DataGrid1.DataSource=dt;
%RV81H9B DataGrid1.DataBind();
; H ;h[ y`n?f|nf DataGrid1中添加一个CheckBox,页面中添加一个全选框
Q ")Xg: private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
B.G6vx4yp {
BQPmo1B foreach(DataGridItem thisitem in DataGrid1.Items)
D{B?2}X {
\"ahs7ABT ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
Bz } nP9 }
FM6{%}4 }
M5WB.L[@q [M[#f&=Z 将当前页面中DataGrid1显示的数据全部删除
.S|7$_9;b foreach(DataGridItem thisitem in DataGrid1.Items)
?]D&D:Z?I {
6m?<"y8] if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
7/~=[#]* {
myfTztJ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
( 5!'42 Del (strloginid); //删除函数
qg#YQ'vWte }
vcu@_N 1Dc }
]\^O(BzB X,w X)9]J 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)
eX#.Zt] Cqnuf5e>L 在Application_Start中添加以下代码:
Z4/D38_ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
e7GYz7 AppSettings["ConnStr"].ToString();
c~(61Sn] PI*@.kqR- 31. 变量.ToString()
,]1f)> HU>>\t?d 字符型转换 转为字符串
m)L50ot:/ 12345.ToString("n"); //生成 12,345.00
."ZG0Zg 12345.ToString("C"); //生成 ¥12,345.00
k'O.1 12345.ToString("e"); //生成 1.234500e+004
QtnNc!,n 12345.ToString("f4"); //生成 12345.0000
[voZ=+/ 12345.ToString("x"); //生成 3039 (16进制)
~Fh+y+g? 12345.ToString("p"); //生成 1,234,500.00%
+ytP5K7 F62 uDyY 32、变量.Substring(参数1,参数2);
RWR{jM]V 5?$MZaT 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);
_R ]s1 &7\}Sqp 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)
m,\+RUW' <SCRIPT language="javascript">
y]yl7g =~ <!--
t)W=0iEd9 function gook(pws)
jm%s#`)g {
9jI muSZ frm.submit();
H[.)&7M\ }
cV6H!\ //-->
b, a7XANsh 129\H<
m </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
.Qrpz^wdt <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
H]tD~KM< <tr>
d\>XfS <td>
01o<eZ, <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
yP3I^>AZ3 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Ua
\f]y <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
$CMye; yL #3*cA!V.< <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
Ct-eD-X{ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
\Ki3ls Ac U@H0 </td>
AwG0E`SU S'HA] </tr>
4k^P1 CjPdN#*l </form>
!Np7mv\7 WS[Z[O 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
RI8*'~ix] VLm\P S
下面是获取用户输入的登陆信息的代码:
yJ!26 string name;
&UH0Tw4 name=Request.QueryString["EmailName"];
/(8"]f/ 4eB'mPor try
8lx}0U {
6V$ )ym*F int a=name.IndexOf("@",0,name.Length);
UY9*)pEE f_user.Value=name.Substring(0,a);
1,=:an f_domain.Value=name.Substring(a+1,name.Length-(a+1));
)zO|m7 f_pass.Value=Request.QueryString["Psw"];
8F>9CO:&N }
?{ '_4n3O T`@brL catch
X% 05[N {
<J%Z?3@T Script.Alert("错误的邮箱!");
Kkq-x'gt^ Server.Transfer("index.aspx");
Y$v d@Q }