1. 打开新的窗口并传送参数:
N
P+vi@Ud }apno|W& 传送参数:
Itv cN response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
,Y6]x^W lyFlJm i,r 接收参数:
SPRTJdaC9 string a = Request.QueryString("id");
PYWFz string b = Request.QueryString("id1");
2}XRqa.| j1qU 4#Y 2.为按钮添加对话框
fMUh\u3 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Y 'm;xA button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
/O.Ql,6[ u?fM.=/N 3.删除表格选定记录
7P(jMalq int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
vf@j d}? string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
uF|_6~g sbX7VfAR` 4.删除表格记录警告
K> 4w private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Zk lpnL*! {
X<. l(9$ switch(e.Item.ItemType)
^^7@khmNl {
Jn d_cJ ]a case ListItemType.Item :
9XtO#!+48 case ListItemType.AlternatingItem :
RQ[/s
lg case ListItemType.EditItem:
2Sa{=x
N) TableCell myTableCell;
=No#/_ myTableCell = e.Item.Cells[14];
g(X`.0 LinkButton myDeleteButton ;
Cw(yp u myDeleteButton = (LinkButton)myTableCell.Controls[0];
qD\9h`a myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
a%U#PF6
break;
OomC%9/=, default:
F(."nUrf break;
Q|{b8K }
LTzdg >\oJ 0wNlt#G;{ }
YaSBIq{z "0Z/|& 5.点击表格行链接另一页
/ [49iIzC private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
9O-~Ws ; {
n{MTh_C4n //点击表格打开
XD8I.q if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
SPdEO3 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
)sdHJ }
:x[()J~N ]i6*$qgma 双击表格连接到另一页
tbR XC~"T6F 在itemDataBind事件中
bri8o" if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
g9JZ#B gZ {
r9N?z2X string OrderItemID =e.item.cells[1].Text;
MG.c`t/w ...
,q#SAZ/N e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
WHv6E!^\_ }
`5h^!=" J|^XD<Y 双击表格打开新一页
T-STM"~% if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
L>1y[
Q {
v@GhwL string OrderItemID =e.item.cells[1].Text;
cMT:Ij]; ...
gy,)%{,G e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
({C[RsY=6 }
u&S0 H.>EO|p ★特别注意:【?id=】 处不能为 【?id =】
B=n90XO | 6.表格超连接列传递参数
Dzu//_u <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
@|t]9 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Z?=o(hkd CYE[$*g6y 7.表格点击改变颜色
V[*>}XQER if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
:NWIUN {
~F,YBX e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
AhA&=l
i; this.style.color=’buttontext’;this.style.cursor=’default’;");
P/[RH e }
yFmy G}l9 [lE 写在DataGrid的_ItemDataBound里
1QD49) if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
>jmHe^rH {
(G./P@/[ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
H? z~V-8 this.style.color=’buttontext’;this.style.cursor=’default’;");
1twpOZ> e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
3J
5,V }
fDW:|%{Y, \*{Mg wF | Z7j
s" 8.关于日期格式
L?|}! 7R79[:uwJ 日期格式设定
"HqmS DataFormatString="{0:yyyy-MM-dd}"
tw
zV-8\ rf@47H 我觉得应该在itembound事件中
S~fP$L5 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
D~i 5E9s5 (*6 .-Xn 9.获取错误信息并到指定页面
*$DD+]2 wM7Iu86 不要使用Response.Redirect,而应该使用Server.Transfer
LdOme[C1 M"p%CbcI] e.g
Ev3'EA~` // in global.asax
)h0>e9z>Y protected void Application_Error(Object sender, EventArgs e) {
}|;j2'(R if (Server.GetLastError() is HttpUnhandledException)
DQ/rx`BG Server.Transfer("MyErrorPage.aspx");
E.Th}+ IOC$jab@ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
eE
.wnn }
?Q"<AL>Z "m6G;cv Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
,ZY\})`p +eH`mI0f 10.清空Cookie
?,v&
o>* Cookie.Expires=[DateTime];
r
20! Response.Cookies("UserName").Expires = 0
^["D>@yIR w;Fy/XQ 11.自定义异常处理
toD!RE //自定义异常处理类
[Rq|;p using System;
ONpvx5'# using System.Diagnostics;
Ce}m$k SD%3B!cpX namespace MyAppException
H<ovIMd {
kRwY# /// <summary>
BT0;I /// 从系统异常类ApplicationException继承的应用程序异常处理类。
8q6Le{G /// 自动将异常内容记录到Windows NT/2000的应用程序日志
>f^kp8`3{Y /// </summary>
`.pd %\ public class AppException:System.ApplicationException
Z<AZO ^ {
lsj9^z7 public AppException()
OKau3T] {
r7}KV| M if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Yg&/^ }
(yuOY/~k/ Jc5YGj 7 public AppException(string message)
D8E^[w! {
1\/vS$bi( LogEvent(message);
r+#g }
n|Y}M]u, GeB-4img public AppException(string message,Exception innerException)
KkzG#'I1 {
^jpQfD e6 LogEvent(message);
J%q)6& if (innerException != null)
y!S:d {
${ DSH LogEvent(innerException.Message);
\f Kn} ]kG }
N^F5J }
>bhF{*t#;y wM;=^br //日志记录类
/']`}*d using System;
#ifjQ7(: using System.Configuration;
~K|ha26W using System.Diagnostics;
?l
@=}WN using System.IO;
`)w=@9B)" using System.Text;
#1}%=nAsi using System.Threading;
9]G~i`QQ *h5L1Eq namespace MyEventLog
qn{9vr {
{Ngut /// <summary>
+yk 0ez /// 事件日志记录类,提供事件日志记录支持
) R5[aO /// <remarks>
,*x/L?.Z! /// 定义了4个日志记录方法 (error, warning, info, trace)
CSWA/#&8> /// </remarks>
U
=g&c
` /// </summary>
.p'McCV= public class ApplicationLog
$kR%G{j 4 {
md\Vw?PkU /// <summary>
O_
$ zK /// 将错误信息记录到Win2000/NT事件日志中
,]9p&xu /// <param name="message">需要记录的文本信息</param>
]D2d=\ /// </summary>
4QiV@#o: public static void WriteError(String message)
1[a#blL6W {
\qG` ts WriteLog(TraceLevel.Error, message);
mv$gL }
Fy6Lz.baB !{g>g%2! /// <summary>
%(\et%[] /// 将警告信息记录到Win2000/NT事件日志中
s!F8<:FRJD /// <param name="message">需要记录的文本信息</param>
(CYQ>)a /// </summary>
M4d4b public static void WriteWarning(String message)
CzDg?w b {
3|URlz WriteLog(TraceLevel.Warning, message);
K[9P{0hA }
RO'b)J:j9 $c+:dO|Fb /// <summary>
^p%3@)& /// 将提示信息记录到Win2000/NT事件日志中
.NF3dC\ /// <param name="message">需要记录的文本信息</param>
iWe'|Br /// </summary>
WE
/1h public static void WriteInfo(String message)
99~-TiU {
u*7>0o|H: WriteLog(TraceLevel.Info, message);
es$<Vkbp }
ZJjm r,1 /// <summary>
p%\&M bA /// 将跟踪信息记录到Win2000/NT事件日志中
eQ=6< ^KZ /// <param name="message">需要记录的文本信息</param>
%=vU
Z4 /// </summary>
!]z4'* )W public static void WriteTrace(String message)
y]ya.YG {
!}"P Hby5N WriteLog(TraceLevel.Verbose, message);
`cRRdD:dA }
OuPfB VY!A]S" /// <summary>
sA,2gbW /// 格式化记录到事件日志的文本信息格式
`2G%&R,k"D /// <param name="ex">需要格式化的异常对象</param>
5J6~]J /// <param name="catchInfo">异常信息标题字符串.</param>
S=`#X,Wo /// <retvalue>
+OOmy /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
nc#} \ /// </retvalue>
qcBamf /// </summary>
,esUls'nz' public static String FormatException(Exception ex, String catchInfo)
[ofZ1hB4 {
bI)%g StringBuilder strBuilder = new StringBuilder();
~=$d>ZNQ if (catchInfo != String.Empty)
<;!#+|L/ {
^`9O$.'@ strBuilder.Append(catchInfo).Append("\r\n");
L5]uT`Twa }
Lhxg5cd strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
RJD(c#r$ return strBuilder.ToString();
)gxZ &n6 }
2)|G%f_lS (S63:q&g /// <summary>
w.-J2%J /// 实际事件日志写入方法
rJCu6 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
B5#>ieM* /// <param name="messageText">要记录的文本.</param>
S@WT;Q2Z /// </summary>
AhNz[A private static void WriteLog(TraceLevel level, String messageText)
p3cb_ {
%$+bO/f try
@`rC2-V {
<*HsJwr)u EventLogEntryType LogEntryType;
=O~Y6| switch (level)
81S0: = {
D'"l%p case TraceLevel.Error:
d+IN-lR( LogEntryType = EventLogEntryType.Error;
.2*h!d)E break;
F<Z13]| case TraceLevel.Warning:
c/-PEsk_TP LogEntryType = EventLogEntryType.Warning;
J!5&Nc break;
#i-b|J+% case TraceLevel.Info:
9&OhCrxW- LogEntryType = EventLogEntryType.Information;
Q6%Pp_$k break;
&nwk]+,0W# case TraceLevel.Verbose:
dY.NQ1@" LogEntryType = EventLogEntryType.SuccessAudit;
'F Cmbry break;
2%~+c|TH.) default:
%[k"A LogEntryType = EventLogEntryType.SuccessAudit;
OBnvY2)Ri break;
7G
3e }
hU5_ dV u'Z^|IVfo EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Ap!i-E,"J //写入事件日志
BYb"[qPV eventLog.WriteEntry(messageText, LogEntryType);
@e^(V$ap \qB.>f"%p| }
Poxoc-s catch {} //忽略任何异常
B8?j"AF }
NdM \RD_R } //class ApplicationLog
co>IJzg }
#e&LyYx4 a*!9RQ 12.Panel 横向滚动,纵向自动扩展
q
7hoI] <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
#[sJKW TZa LB}4 13.回车转换成Tab
Nq[-.}Z6 <script language="javascript" for="document" event="onkeydown">
X@%4N< if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
nSq$,tk( event.keyCode=9;
;rt\ </script>
IgKrcpK#}? @4P_Yfn onkeydown="if(event.keyCode==13) event.keyCode=9"
XZj3x',; 6Bn}W ? 14.DataGrid超级连接列
Q*R9OF DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
<|VV8r93 /D;cm 15.DataGrid行随鼠标变色
5)p! }hWs private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
`i6q\-12n {
P$"s*otr if (e.Item.ItemType!=ListItemType.Header)
3SI%>CO} {
s~g]`/h$r e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
`k3sl
0z% e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
bJFqyK:6 }
J&;' gT }
[m9=e-KS$Q /X?%K't2r 16.模板列
/cx
Ei6I- <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Ob|v$C <ITEMTEMPLATE>
&8hW~G>(m <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
k(_^Lq f- </ITEMTEMPLATE>
,/UuXX </ASP:TEMPLATECOLUMN>
dSbz$Fc t CA,2&v" <ASP:TEMPLATECOLUMN headertext="选中">
Gvquv\ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
W7.QK/@ <ITEMTEMPLATE>
%wIb@km <ASP:CHECKBOX id="chkExport" runat="server" />
>S:+&VN`M </ITEMTEMPLATE>
ccgV-'IG9 <EDITITEMTEMPLATE>
T,v5cc:nO <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
^PowL: </EDITITEMTEMPLATE>
7:wf!\@I </ASP:TEMPLATECOLUMN>
!$fF3^8- pYX!l:hk 后台代码
!GtCOr\' protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
/(Ryh6M {
Z xR //改变列的选定,实现全选或全不选。
'PdUSv|lH CheckBox chkExport ;
EP8R[Q0_" if( CheckAll.Checked)
x.>[A^ {
N0UZ%,h\ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
iLf*m~Q {
d&%}u1 . chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
ZnD(RM chkExport.Checked = true;
3s Mmg` }
'#CYw=S+ }
l"9$lF} else
qj,^"rp1: {
DcEGIaW foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
ilFS9A3P {
^c:I]_Ww chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
_ Zzne chkExport.Checked = false;
I.)9:7 }
P@Av/r }
{0Ej*% }
\,yg@R /4,U@s)"/ 17.数字格式化
910N1E ^Rmrre`uU 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
l7uEUMV <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Z4tc3e
p *GAs
C int i=123456;
42 0cbD3a string s=i.ToString("###,###.00");
(t"rzH .KF(_
92 18.日期格式化
o^<W3Z I9kBe}g3 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
KL8WT6!RZ WFMQ; 显示为: 2004-8-11 19:44:28
1:Xg&4s ~D!Y]
SK 我只想要:2004-8-11 】
Kg#s<# h <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
aN~x3G H]>7IhJ 应该如何改?
s:Z1
ZAxv H^8t/h 【格式化日期】
>2;KPV0H gYfOa`k 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
8:}$L)[V 6>-Gi 【日期的验证表达式】
wm/>_ rOXh?r A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
2T}FX4' ^((\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})))?$
Ui;PmwQc& kF7`R4Sz B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
<^B!.zQ ^\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]))$
1Yy*G-7} 7'TXR[ 【大小写转换】
q<?r5H5 HttpUtility.HtmlEncode(string);
cUZ^,)8
Z HttpUtility.HtmlDecode(string)
&^@IAjxn v*EErQML8b 19.如何设定全局变量
D[CEg2$y Zj2tQ}N Global.asax中
;X[23A{ _c6 zzGtH Application_Start()事件中
QD*(wj [LHfH3[gU 添加Application[属性名] = xxx;
}J\KnaKo d)jX%Z$LC 就是你的全局变量
D_Cd^;b Qv:J#uVw?O 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
XX'Rv]T b:(*C HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
E9n7P'8 &|)
(lX 【ASPNETMENU】点击菜单项弹出新窗口
<D{_q.`vA }8&L?B;90 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
XP_V <?xml version="1.0" encoding="GB2312"?>
~yuj;9m3 <MenuData ImagesBaseURL="images/">
@ei:/~y3 <MenuGroup>
OL)M`eVQ' <MenuItem Label="内参信息" URL="Infomation.aspx" >
LjA>H>8%[ <MenuGroup ID="BBC">
'aW<C> <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
/-jk_8@a <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
<IL$8a ......
$2\k| @)s _Vxk4KjP5 最好将你的aspnetmenu升级到1.2版
>VWH
bo LXQ-J 21.读取DataGrid控件TextBox值
_fQBXG2 foreach(DataGrid dgi in yourDataGrid.Items)
cYMlcwS {
a
uz2n TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
h*-j
tb.Text....
L(!mm }
)51H\o m]NyEMYg 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?
^zr]#`@G t'0dyQ%u 〖思归〗
&D 4Ci_6k <asp:TemplateColumn HeaderText="数量">
]1<O [d <ItemTemplate>
|%~sU,Y\( <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
A_WtmG_9 onkeyup="javascript:DoCal()"
<C9_5Ce~ />
-dn\*n5 pZ4]oK\* <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
I5J9,j </ItemTemplate>
ard<T}|N </asp:TemplateColumn>
:9`T.V<? =pP0dvn <asp:TemplateColumn HeaderText="单价">
|VL(#U <ItemTemplate>
C,xM)V^a <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
2 nRL;[L*. onkeyup="javascript:DoCal()"
-a[]#v9 />
!~&vcz0>)9 ^3L6mOoA <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
5/O;&[l Yy MMfcY
3#% </ItemTemplate>
;ip"V 0` </asp:TemplateColumn>
B|Rnh;B- |E)Es!dr <asp:TemplateColumn HeaderText="金额">
ui: <ItemTemplate>
Uaho.(_GP <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
+)Pv6Zog[ </ItemTemplate>
ji[O? </asp:TemplateColumn><script language="javascript">
lnFOD+y9 function DoCal()
XACbDKyS {
.f V-puE var e = event.srcElement;
vRLkz4z var row = e.parentNode.parentNode;
F-)lRGw var txts = row.all.tags("INPUT");
3 G?^/nB if (!txts.length || txts.length < 3)
J2`b:%[ return;
h7-!q@ {P_~_5o_ var q = txts[txts.length-3].value;
V6,D~7 var p = txts[txts.length-2].value;
Q)c$^YsI xP.B,1\X if (isNaN(q) || isNaN(p))
U/2g N
H return;
L)'JkX J " -4V48ci q = parseInt(q);
&X
+Qi p = parseFloat(p);
/vl]Oa&U A/N$ txts[txts.length-1].value = (q * p).toFixed(2);
\#[W8k<Z }
_dj<xPO </script>
~y}M
GUEC 6u3DxFiTm oW-Tw@D Wiqy".YY n*^g^gp 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。
0Ng6Xg(QHc page_load
O`O{n_o^u page.smartNavigation=true
!ZbNW4rIP BJk:h-m [ 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 ?
owTW_V private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
"_ b
Sy {
YNbs*i& for(int i=0;i<e.Item.Cells.Count-1;i++)
BbZ-dXC< if(e.Item.ItemType==ListItemType.EditType)
=y8HOT}8 {
,~FyC_%*
e.Item.Cells.Attributes.Add("Width", "80px")
5M{N-L_eC }
l!\C"f1o, }
PGMu6$ .s|n}{D_i 26.对话框
[] 0`>rVq private static string ScriptBegin = "<script language=\"JavaScript\">";
t'4hWNR'
private static string ScriptEnd = "</script>";
)_b#c+ :Tw3Oo_~S public static void ConfirmMessageBox(string PageTarget,string Content)
geWis(#J {
+&tY&dQQB string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Ly\$?3h ?V#%^ 57p ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
UuAn`oYhV (o{-1Dg) Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
<\?ySto ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
Kwfrh? //Response.Write(strScript);
m:/@DZ }
F&;g<
SD h$~ NPX 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
N7%Jy?-+ b,7:=-D 1.1 取当前年月日时分秒
4r-jpVN~ currentTime=System.DateTime.Now;
P$2J`b[H$ N2;T\xx, 1.2 取当前年
4XQ v int 年= DateTime.Now.Year;
Ka2U@fK" n<\^&_a 1.3 取当前月
AZorz Q]s int 月= DateTime.Now.Month;
(iGk]Rtzt W+a>*#* 1.4 取当前日
%B3E9<9>U int 日= DateTime.Now.Day;
Q <^'v>~n ;7 i0ko9 1.5 取当前时
qDhz|a# int 时= DateTime.Now.Hour;
%fh
,e5(LT }@4m@_gR? 1.6 取当前分
6=90 wu3 int 分= DateTime.Now.Minute;
DkA cT[ i5|A\Wv" 1.7 取当前秒
X~5TA)h;~ int 秒= DateTime.Now.Second;
k x6%5% Ws4aCH 1 1.8 取当前毫秒
bU=!~W5 int 毫秒= DateTime.Now.Millisecond;
v/8K?$"q s41<e" 28.自定义分页代码:
Dq*>+1eW2 /81Ux@,(e 先定义变量 :
{08UBnR public static int pageCount; //总页面数
YQ4;X8I`r public static int curPageIndex=1; //当前页面
D._q'v< 9O?.0L 下一页:
XkCbdb if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
engql; {
:"3WCB DataGrid1.CurrentPageIndex += 1;
p<`q^D curPageIndex+=1;
4B<D.i ;} }
b,~4O~z C
z4"[C`; bind(); // DataGrid1数据绑定函数
[}9R9G>" _V1O =iu- 上一页:
vy[*xT] if(DataGrid1.CurrentPageIndex >0)
/o.wCy,J< {
6BFtY+.y DataGrid1.CurrentPageIndex += 1;
ub{<m^|) curPageIndex-=1;
7sC$hm] }
MQD UJ^I$ )mB+#T<k- bind(); // DataGrid1数据绑定函数
x{Gb4=?l xFHc+m' m~ 直接页面跳转:
vXR-#MS`} int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
<3LyNG. 'vhgR2/ if(a<DataGrid1.PageCount)
9|D!&=8
{
:w#Zs)N this.DataGrid1.CurrentPageIndex=a;
vy,ER< }
{Lk~O)E s59v*
/ bind();
QSW03/_f f%an<>j^w 29.DataGrid使用:
,`^B!U3m @7"xDgA 添加删除确认:
G{knO?BK private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
F8Rd#^9PD {
zob^z@2 foreach(DataGridItem di in this.DataGrid1.Items)
T3@wNAAU {
7;5?2)+=6 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
w_ kHy_) {
X<x"\Yk ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
Lf3Ri/@ p }
d?oupW}uu }
[kt!\- }
y{uRh>l drBWo|/ 样式交替:
2wlrei ListItemType itemType = e.Item.ItemType;
%+L:Gm+^g# Tt`|26/ if (itemType == ListItemType.Item )
2L[/.| {
QjWv?tm e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
1/jJ;}
e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
ua/A &XQx }
U)=StpTT else if( itemType == ListItemType.AlternatingItem)
`l9Pk\X[ {
Pg{Dy>&2`I e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
V9`VFO e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
54_CewL1P] }
R61.!ql%w c_~)#F%P 添加一个编号列:
~%qHJ4C DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
` Xhj7%> DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Ett%Y*D+J /+1+6MqRn* for(int i=0;i<dt.Rows.Count;i++)
cWl {
R3TdQ6j dt.Rows["number"]=(i+1).ToString();
gGxgU$`#c }
&{!FE`ZC_ WogJ~N,d53 DataGrid1.DataSource=dt;
%`F6>J DataGrid1.DataBind();
skh6L!6*< &?"(al? DataGrid1中添加一个CheckBox,页面中添加一个全选框
= 7d{lK private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
KS!mzq- {
%E}f7GT4 foreach(DataGridItem thisitem in DataGrid1.Items)
c/DB"_}!a {
3Wa^:8N ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
|a%&7-; }
dZFf/BXU }
( n;# Z, 5D8V)i 将当前页面中DataGrid1显示的数据全部删除
W=|sy-N{2 foreach(DataGridItem thisitem in DataGrid1.Items)
{u{n b3/jl {
%D< =6suW if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
1Jg&L~Ws" {
;{[&&qMwU string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
0-M.>fwZ= Del (strloginid); //删除函数
@d:TAwOI' }
5,cq-` }
9_)*b hm*1w6 = 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)
Hphvsre< 9gVu:o 1/ 在Application_Start中添加以下代码:
15U]/?jv8 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
2kzm(K AppSettings["ConnStr"].ToString();
lK;|ciq"c7 h)fJ2]JW8W 31. 变量.ToString()
[0<N[KZ) P /|2s 字符型转换 转为字符串
1vk&; 12345.ToString("n"); //生成 12,345.00
8;K'77h 12345.ToString("C"); //生成 ¥12,345.00
MKzIY:ug 12345.ToString("e"); //生成 1.234500e+004
.Y|5i^i9{ 12345.ToString("f4"); //生成 12345.0000
d|#sgGM<8 12345.ToString("x"); //生成 3039 (16进制)
@ px2/x 12345.ToString("p"); //生成 1,234,500.00%
gg
$/ BQ!v\1'C 32、变量.Substring(参数1,参数2);
xo3bY6<n }TE4)vXs 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);
V|[Y9<* )RV.N}NU 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)
uflRW+-2 <SCRIPT language="javascript">
6/e+=W2 <!--
KYBoGCS > function gook(pws)
ZyAm:yO {
_voU^- frm.submit();
j0P+< @y }
7HfA{.|m //-->
L-SWs8 DvL/xlN </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
[HO=ii]Wb <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
vk;]9o j* <tr>
$;~ <td>
yvN;|R
<input id="f_user" type="hidden" size="1" name="f_user" runat="server">
VaKBS/y" <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
mtfEK3?2* <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
3s25Rps !| ObNS <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
j!m42 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
QxUsdF?p 1:{BC2P </td>
Xh'_Vx{.j` Zq[aC0%+ </tr>
lxSCN6 EGD&/%aC </form>
Wbra*LNU GJLe733o 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
JIJ79HB \9FWH}| 下面是获取用户输入的登陆信息的代码:
.|d2s string name;
xNLvK:@0p name=Request.QueryString["EmailName"];
)wFr%wNe FEoH$.4 try
@)hrj2Jw {
6B pm+} int a=name.IndexOf("@",0,name.Length);
@20~R/vh f_user.Value=name.Substring(0,a);
ccCe@1RI f_domain.Value=name.Substring(a+1,name.Length-(a+1));
HW,2x} [ f_pass.Value=Request.QueryString["Psw"];
uW@o,S0: }
)'pc 1I W'0(0;+G/j catch
'5:P,1tWU {
~sk{O%OI Script.Alert("错误的邮箱!");
Tw)"#Y!T Server.Transfer("index.aspx");
,?zIt6Z }