1. 打开新的窗口并传送参数:
gZ-:4G|J w2jB6NQX 传送参数:
eu?P6>urA response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
ggpa!R %IDl+_j 接收参数:
~}SQLYy7Z string a = Request.QueryString("id");
j^eMi string b = Request.QueryString("id1");
E^m)&.+'M !3o/c w9 2.为按钮添加对话框
prB:E[1 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
QUg<~q)Oq button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
L X #. v[R_6 3.删除表格选定记录
)Y"t$Iw" int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
V343IT\ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
!!mGsgnW Ik@MIxLK 4.删除表格记录警告
=/ \l=* private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
}uO2x@ {
0UGAc]!/RZ switch(e.Item.ItemType)
]iZ-MG)J {
6;Mv)|FJF case ListItemType.Item :
2uMSeSx$ case ListItemType.AlternatingItem :
,S~A]uH' case ListItemType.EditItem:
AboRuHQ TableCell myTableCell;
P(3$XMx myTableCell = e.Item.Cells[14];
C\|HN=2eh LinkButton myDeleteButton ;
Ie8SPNY-H myDeleteButton = (LinkButton)myTableCell.Controls[0];
f9'dZ}B myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
G {a;s-OA3 break;
'lgS)m default:
3ZvQUH/{W break;
J`wx72/-ZW }
=H^~"16 s&DAO r!i }
.tK]-f2 Hq,NOP 5.点击表格行链接另一页
:%U
lNk private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
_cJ\A0h^ {
{P%\& \{F //点击表格打开
1W9uWkk_d if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
|voZ0U e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
"<"s&ws;k }
C4|79UG>s }q?q)cG 双击表格连接到另一页
c{jTCkzq 3p'(E\VJ 在itemDataBind事件中
AQc9@3T~Bi if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\JNWL yw {
3:b5#c?R- string OrderItemID =e.item.cells[1].Text;
R5<:3tk=X ...
,@Elw>^ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
I3Ad+]v }
y"zZ9HQM \u 6/nvZ]N 双击表格打开新一页
;Udx|1o if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
YO;@Tj2)x {
yeV|j\TJI. string OrderItemID =e.item.cells[1].Text;
SqoO"(1x ...
U^OR\=G^ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
-V||1@
| }
Sqla+L* q)tNH/ ★特别注意:【?id=】 处不能为 【?id =】
PxJvE*6^H 6.表格超连接列传递参数
yuF\YOA9 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
UR[UZ4G <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
_No<fz8 uecjR8\e 7.表格点击改变颜色
[ _&z+ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
1xsB@D {
et`rPK~m e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
$XrX(l5 this.style.color=’buttontext’;this.style.cursor=’default’;");
G\*`%B_ n }
g=S|lVQm KocNJ
TB 写在DataGrid的_ItemDataBound里
!]P=v`B. if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
.+-7 'ux {
M =GF@C;b e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Kuh)3/7 this.style.color=’buttontext’;this.style.cursor=’default’;");
YU1z\pK e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
<&}N[ }
HH^yruP\} Q_|Lv& "%+9p6/ 8.关于日期格式
SCXtBZ`.G 2!}rHw 日期格式设定
d?=r:TBU DataFormatString="{0:yyyy-MM-dd}"
^+9i~PjL FdMTc(> 我觉得应该在itembound事件中
iKgH
:[j e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
=OooTZb:x- 6Xt c3 9.获取错误信息并到指定页面
vi0nJ -Xg Iyt.`z 不要使用Response.Redirect,而应该使用Server.Transfer
{OW.^UIq^ 2Xp?O+b#"O e.g
6 kAXE\T // in global.asax
l~GcD protected void Application_Error(Object sender, EventArgs e) {
7 gT^ZL if (Server.GetLastError() is HttpUnhandledException)
I>spJ5ls Server.Transfer("MyErrorPage.aspx");
5x'
^.$K > +L#Q3}=s //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
^9oJuT!tu }
|&rxDf}W 0%]F&| 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
~.8p8\H N
uq/y= 10.清空Cookie
8=j_~&* Cookie.Expires=[DateTime];
mO^vKq4r. Response.Cookies("UserName").Expires = 0
lag%}^ dL>8| 11.自定义异常处理
3 3b 3v\N //自定义异常处理类
#
,27,# using System;
SFa~j)9'n using System.Diagnostics;
p ^Dm w0y DbvKpM H namespace MyAppException
I0C$ {
mEDi'!YE" /// <summary>
l*<RKY8 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
m}?(c)ST /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Y@[Dy /// </summary>
hZLwg7X! public class AppException:System.ApplicationException
"A,-/~cBV {
F<A[S" public AppException()
c~iAjq+c {
2$gOe^ & if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
eEMU,zCl }
[f\TnXq24 D]$X@2A public AppException(string message)
OO`-{HKt {
haIH `SY LogEvent(message);
0|@*`-:VO }
TClgywL o<8=@ ^T public AppException(string message,Exception innerException)
G,JNUok {
x9VR>ux& LogEvent(message);
AF-uTf if (innerException != null)
)%]`uj>*[ {
w#\*{EN LogEvent(innerException.Message);
gN/6%,H} }
2';f8JLY }
.@(9v.:_u fI1,L" //日志记录类
!_My]>S using System;
8\@&~&(y: using System.Configuration;
!L_\6;aP,x using System.Diagnostics;
%(y0,?* using System.IO;
q\a'pp9d using System.Text;
_qQB.Dzo: using System.Threading;
*T{P^q.s~[ .YcI . namespace MyEventLog
x*2' I {
!/Wp0E'A /// <summary>
or{X{_X7 /// 事件日志记录类,提供事件日志记录支持
%>Y86>mVz /// <remarks>
Pn|*(sTl /// 定义了4个日志记录方法 (error, warning, info, trace)
Pf?y!dK< /// </remarks>
iN+Tig?c /// </summary>
E||[(l,b public class ApplicationLog
`8rInfV {
s j{i /// <summary>
KZ;Q7 1 /// 将错误信息记录到Win2000/NT事件日志中
]K(>r#'nH /// <param name="message">需要记录的文本信息</param>
*Af:^>mh /// </summary>
[exIK public static void WriteError(String message)
jLu`DKB {
K}p!W"!o WriteLog(TraceLevel.Error, message);
&E&e5(&$ }
Ot#O];3 iI(7{$y /// <summary>
G 0;5I_D/ /// 将警告信息记录到Win2000/NT事件日志中
dy%#E2f /// <param name="message">需要记录的文本信息</param>
Ysz&/ry /// </summary>
ApxGrCu public static void WriteWarning(String message)
i-`n5, {
R<jt$--H WriteLog(TraceLevel.Warning, message);
}+4^ZbX+: }
ee|i 1EvK\ /// <summary>
{Ex*8sU%p% /// 将提示信息记录到Win2000/NT事件日志中
%t:pG}A>:C /// <param name="message">需要记录的文本信息</param>
_H+|Ic /// </summary>
Eu^?e public static void WriteInfo(String message)
vhQ IkB8 {
SsE8;IGH WriteLog(TraceLevel.Info, message);
39(]UO6^; }
. w_oW mD /// <summary>
F qW[L>M' /// 将跟踪信息记录到Win2000/NT事件日志中
vS{zLXg /// <param name="message">需要记录的文本信息</param>
05cyWg9a /// </summary>
- s,M+Q(< public static void WriteTrace(String message)
L| uoFG{ {
=6sL}$ WriteLog(TraceLevel.Verbose, message);
#gL$~.1 }
|/R)FT#i W%xg;uzp /// <summary>
MWxv\o /// 格式化记录到事件日志的文本信息格式
Mr3;B+S /// <param name="ex">需要格式化的异常对象</param>
9j;L- /// <param name="catchInfo">异常信息标题字符串.</param>
"X }@VT= /// <retvalue>
SXW8p>1Jw /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
(!@
Q\P /// </retvalue>
:DlgNR`bq /// </summary>
t<|S7EqIL public static String FormatException(Exception ex, String catchInfo)
&(]@L\A {
l12_&o"C~ StringBuilder strBuilder = new StringBuilder();
9$u'2TV if (catchInfo != String.Empty)
P~5[.6gW {
)Uv lEG'] strBuilder.Append(catchInfo).Append("\r\n");
@1w9!\7Vt }
e)WpqaI strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
!6UtwCVR return strBuilder.ToString();
o`8dqP }
K2u$1OKv ^K#PcPF-j /// <summary>
9{;cp?\)M /// 实际事件日志写入方法
!u0qF!/W /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
lo%:$2*'p /// <param name="messageText">要记录的文本.</param>
$]Vvu{ /// </summary>
5zqlK-$ private static void WriteLog(TraceLevel level, String messageText)
X(Wd {
_rz*7-ks= try
]}~[2k. {
El}."}l& EventLogEntryType LogEntryType;
=D2jJk?AX switch (level)
l<]@5"wN {
9,4Lb] case TraceLevel.Error:
LXIQpD,M LogEntryType = EventLogEntryType.Error;
*hP9d;-Ar break;
%$)[qa3 case TraceLevel.Warning:
c<`Z[EY(t LogEntryType = EventLogEntryType.Warning;
-Tw96 dv break;
#Tjv(O[& case TraceLevel.Info:
-xc*R%k LogEntryType = EventLogEntryType.Information;
B|~tW21 break;
;!JI$_-\ case TraceLevel.Verbose:
S-^RZ" LogEntryType = EventLogEntryType.SuccessAudit;
i9qn_/<c break;
=-r[ s%t& default:
&3SQVOW ~T LogEntryType = EventLogEntryType.SuccessAudit;
8e`'Ox_5a break;
{PXN$p:' }
GtC bzNY l 4zl|6% EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
c3X'Sv //写入事件日志
yj6o533o eventLog.WriteEntry(messageText, LogEntryType);
0<8pG:BQ +$hqwNh@Z@ }
5w\>Whbd catch {} //忽略任何异常
;<JyA3i^V, }
nty^De% } //class ApplicationLog
1@j0kTJ~m }
cBl
F =,/08Cs 12.Panel 横向滚动,纵向自动扩展
S+mZ.aFS0z <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
~i4h.ZLj _k0X)N+li 13.回车转换成Tab
q"|,HpQ <script language="javascript" for="document" event="onkeydown">
\a|FhhI if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
#+vIq? event.keyCode=9;
RJo"yB$1e6 </script>
~VRt6C j{i3lGaN onkeydown="if(event.keyCode==13) event.keyCode=9"
7gL N7_2 :
"|M 14.DataGrid超级连接列
1e 8J-Nkj DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
I.f)rMl+h
+J^-B}v 15.DataGrid行随鼠标变色
e;y\v/A private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
yEnurq%J {
5Iv3B|u if (e.Item.ItemType!=ListItemType.Header)
2{v$GFc/ {
TTS.wBpR, e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
I.[2-~yf e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
U;Iqz1S }
^^u{W|'CaH }
hPs7mnSW eY)JuJ? 16.模板列
g:l5,j.K <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
woctnT%"Q/ <ITEMTEMPLATE>
nN=o/z d <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
K0|8h!WF+ </ITEMTEMPLATE>
Ue>;h9^ </ASP:TEMPLATECOLUMN>
~nQv
yM!$ R6^U9fDG <ASP:TEMPLATECOLUMN headertext="选中">
dE<}X7J% <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
r[
UZHX5+S <ITEMTEMPLATE>
3yWu-U \k <ASP:CHECKBOX id="chkExport" runat="server" />
As&=Pb9 </ITEMTEMPLATE>
)T-C/ 3 <EDITITEMTEMPLATE>
He#5d!cf:M <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
xz-z"
8d </EDITITEMTEMPLATE>
uQwKnD?F+e </ASP:TEMPLATECOLUMN>
Xknp*(9 MZyzc{c, 后台代码
,t`u3ykh protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
Y:GSjq {
VJK?"mX //改变列的选定,实现全选或全不选。
:^c' P<HM CheckBox chkExport ;
#J1vN]g if( CheckAll.Checked)
FKTdQg|NZ {
J}Q4.1WG$ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
*hhPCYOm {
LL|uMe"Jb chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
DrfOz#a0Uu chkExport.Checked = true;
w4m-DR5 }
3{gD'y4j }
8oM]gW;J~ else
?-40bb {
|\yVnk!c foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
i+x$Y)= {
F/MzrK\':m chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
&+@~;p5F chkExport.Checked = false;
f`zH#{u }
Q.3oDq }
Q&zEa0^rG6 }
gnW]5#c@ lzJ[ `i. 17.数字格式化
"pP5;*^f V-#OiMWa~ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
AqPE.mf <%#Container.DataItem("price","{0:¥#,##0.00}")%>
T7vSp<i/ YL(7l|^! int i=123456;
85>WK+= string s=i.ToString("###,###.00");
i%1ny`Q 5Ocd2T' 18.日期格式化
+(v<_#wR- qH3<,s* 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
G+k[. N!7r~B
显示为: 2004-8-11 19:44:28
.AEOf0t ZG=B'4W 我只想要:2004-8-11 】
'S_kD! BO <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
wz!a;]agg ^tWt"GgC 应该如何改?
-8sm^A>C K+3dwQo 【格式化日期】
>C6wm^bl 0FA
N9u2 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
$D`~X` (&n4^tJ+_ 【日期的验证表达式】
ls5s}X L0v& m A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
\,:3bY_d ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
^%)H; r?{$k3Vl B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Y^zL}@ ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
2_^{Vez@I 6XVr-ef 【大小写转换】
{fkW0VB; HttpUtility.HtmlEncode(string);
F[q:jY HttpUtility.HtmlDecode(string)
2k\i/i/Y 68m (%%E@ 19.如何设定全局变量
\/ rK0|2A z^+`S: Global.asax中
8.Q;o+NU U) tqo_ Application_Start()事件中
mL\j^q,Y %bM^/7 添加Application[属性名] = xxx;
yY,O=yOjq %O5
k+~9 就是你的全局变量
Vf:w.G A ~ vD7BO` 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
1<hj3 goYRA_%cX HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
1WGcv O)< n@pm5f 【ASPNETMENU】点击菜单项弹出新窗口
t;P%&:"@M 3"28=)o 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
@(XX68 <?xml version="1.0" encoding="GB2312"?>
w7b?ve3- <MenuData ImagesBaseURL="images/">
R[eQ}7;+ <MenuGroup>
wJ_E\v P <MenuItem Label="内参信息" URL="Infomation.aspx" >
Fs^d-I <MenuGroup ID="BBC">
ld~8g, <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
=^.f) <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
!FhK<# ......
0qXkWGB >|<8QomD 最好将你的aspnetmenu升级到1.2版
#q{i<E 07 S~WsGLF s 21.读取DataGrid控件TextBox值
EjsAV F
[@ foreach(DataGrid dgi in yourDataGrid.Items)
f
=H,BQ {
qaBjV6loy TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
=Qt08,.bW tb.Text....
Ndj9B|s_ }
'}a[9v76 \~H;Wt5 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?
3c5=>'^F vkE[Ur> 〖思归〗
te?R(& <asp:TemplateColumn HeaderText="数量">
hJ8|KPgdw <ItemTemplate>
'jp nQcwxx <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
D:Zpls. onkeyup="javascript:DoCal()"
^H'zS3S />
uVoM2n?D%^ uMm/$#E <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
ZoJ:4uo
N` </ItemTemplate>
MRvtuE|g </asp:TemplateColumn>
7p""5hw }Sa2s&[< <asp:TemplateColumn HeaderText="单价">
#pJ^w>YNy <ItemTemplate>
J-g#zs <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
EUdu"'=4a onkeyup="javascript:DoCal()"
7+aTrE{ />
"rz|sbj y}jX/Ln <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Va"_.8n|+ M 7j0&>NTG </ItemTemplate>
x;NCW </asp:TemplateColumn>
KK-9[S- Dx/!^L02 <asp:TemplateColumn HeaderText="金额">
pyK|zvr-r <ItemTemplate>
A:3bL:
;t <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
ehO@3%z30c </ItemTemplate>
xw-x<7 </asp:TemplateColumn><script language="javascript">
'tK5s>gv< function DoCal()
se](hu~w {
;czMsHu0X var e = event.srcElement;
pfW0)V1t var row = e.parentNode.parentNode;
1
O+4A[cr var txts = row.all.tags("INPUT");
o"@y=n/ if (!txts.length || txts.length < 3)
d)|{iUcW return;
IC}?oXs5G }zVPdBRfm var q = txts[txts.length-3].value;
ADRjCk}I var p = txts[txts.length-2].value;
nGA'\+zjL c@:L7#8 if (isNaN(q) || isNaN(p))
v#0R return;
q#B^yk|Y >'eOzMBn q = parseInt(q);
v%3mhk# p = parseFloat(p);
89KX.d P[PBoRd2 txts[txts.length-1].value = (q * p).toFixed(2);
>`DbT:/< }
]X+3" </script>
fc lmxTy x#"|Z&Dw0 :u#Ls,OZz WAiEINQ^) {Q8DPkW 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
.E|Hk,c9 page_load
yEUF K page.smartNavigation=true
Ak%M,``(L Sv.z9@S 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
:bMCmY private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
"iE9X.6NMu {
-bSe=09;S| for(int i=0;i<e.Item.Cells.Count-1;i++)
tYyva if(e.Item.ItemType==ListItemType.EditType)
2X2,(D! {
GP ;c$pC e.Item.Cells.Attributes.Add("Width", "80px")
rAD5n,M] }
QLo^6S5! }
W5*%n]s~ kNfqdCF{P 26.对话框
]B0>r^ private static string ScriptBegin = "<script language=\"JavaScript\">";
FQ?,&s$Bmd private static string ScriptEnd = "</script>";
j[YzBXd
V [6qa"Ie public static void ConfirmMessageBox(string PageTarget,string Content)
~T<#HSR` {
HGmgQ>q@M$ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
s)<#a(! 1QM*oj: ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
J=>?D@K eSXt"t Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
/B"h#v-o ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
[@[!esC //Response.Write(strScript);
aR.1&3fE }
9"R]"v3BA 6\4ny 0 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
9}kN9u BR\%aU$u 1.1 取当前年月日时分秒
+NPk9jn currentTime=System.DateTime.Now;
dC@aQi6{6 (+>~6SE 1.2 取当前年
OxX{[|!` int 年= DateTime.Now.Year;
rKq/=Avv ?_ [xpK() 1.3 取当前月
UiS9uGj int 月= DateTime.Now.Month;
8WV1OIL Rk^Fasg" 1.4 取当前日
=nOV!!
int 日= DateTime.Now.Day;
boo,KhW'Y *=0Wh@?0 1.5 取当前时
2}]6~i int 时= DateTime.Now.Hour;
WZ5[tZf Mw7!w-1+ 1.6 取当前分
+Tc4+q! int 分= DateTime.Now.Minute;
"5e~19 >]Hz-2b 1.7 取当前秒
@~fg[)7M int 秒= DateTime.Now.Second;
*=dFTd"# /ee:GjUkB 1.8 取当前毫秒
>ZkcL7t9 int 毫秒= DateTime.Now.Millisecond;
4cL
NPl< Mm-FdP
m 28.自定义分页代码:
:SG9ygq' XEV-D9n 先定义变量 :
.%`|vGF public static int pageCount; //总页面数
)7=B]{B_ public static int curPageIndex=1; //当前页面
P]T(I/\g (w]w
2&YD 下一页:
FQB)rxP if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
BDxrS q,H {
;6t>!2I>C DataGrid1.CurrentPageIndex += 1;
PC/fb-J curPageIndex+=1;
KgVit+4u/ }
"e g`3v %@ $h?HP bind(); // DataGrid1数据绑定函数
q#v.-013r Y\BB;"x1 上一页:
'T7JXV5 if(DataGrid1.CurrentPageIndex >0)
RGhl`; {
o^4qY DataGrid1.CurrentPageIndex += 1;
<1&kCfE& curPageIndex-=1;
~X5yHf3 }
+,7dj:0S rui}a=rs bind(); // DataGrid1数据绑定函数
[e3|yE6 -'JTVfm. 直接页面跳转:
;|w &n int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
z=!$3E ecr C!XI0d
if(a<DataGrid1.PageCount)
KoiU\r {
MjE.pb this.DataGrid1.CurrentPageIndex=a;
EG&^;uU }
n=r}jRH1 EVNTn`J_ bind();
B+);y FR0zK=\ 29.DataGrid使用:
aRq7x~j
)\ 8_>\A=
E
添加删除确认:
:84ja>`c private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
hiaj!&+Q {
G#5Cyu<r! foreach(DataGridItem di in this.DataGrid1.Items)
@iUzRsl {
3`TC* if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
v Q+}rHf`[ {
qh0)~JL4 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
&o^ wgmS }
/`\-.S9 }
vPmP<c)cb }
h@Ea$1'e, dVVeH\o 样式交替:
b-]E-$Uz ListItemType itemType = e.Item.ItemType;
7;;W{W% ro@Zbm;P if (itemType == ListItemType.Item )
#i ?@S$ {
N$pwTyk e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
|C'w] QYm e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
/2>-h-zBjw }
7zr\AgV9 else if( itemType == ListItemType.AlternatingItem)
U`FybP2R~ {
WeuV+}\b e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
'`"LX!"ZO e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
-_uL;9r }
2-llT ifTVTd7O 添加一个编号列:
|rdG+> DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
{,IWjt &> DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
?MKf=!w P)1@HDN== for(int i=0;i<dt.Rows.Count;i++)
2@08 V| {
`"AjbCL dt.Rows["number"]=(i+1).ToString();
}S*6+4 }
FPaj
p )@eBe^ DataGrid1.DataSource=dt;
:FG}k Y DataGrid1.DataBind();
Q)#<T]~= ;T#t)oV DataGrid1中添加一个CheckBox,页面中添加一个全选框
HZ8
j[kO private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
UgJlXB|a%2 {
~(aq3ngo. foreach(DataGridItem thisitem in DataGrid1.Items)
ejgg.G ^ {
Z ;% ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
yel>-=Vn }
CSr{MF`]e }
(ZShh y8g *Z{$0K 将当前页面中DataGrid1显示的数据全部删除
1"/V?ArfL foreach(DataGridItem thisitem in DataGrid1.Items)
+ A0@#:B {
qu[w_1%S if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
4c2P%X(
C {
V.y+u7<3} string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
W3<O+ S& Del (strloginid); //删除函数
KNY<"b }
0p2 0Rt }
QMtt:f]?i q{U -kuui 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
LWVO%@)w wW%I < M 在Application_Start中添加以下代码:
`W]a
@\EYA Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
T{uktIO/ AppSettings["ConnStr"].ToString();
@;rVB ykM#EyN 31. 变量.ToString()
N"r ;d+LTL _'I9rGlx3 字符型转换 转为字符串
'')G6-c/ 12345.ToString("n"); //生成 12,345.00
7y[B[$P 12345.ToString("C"); //生成 ¥12,345.00
M<ad>M 12345.ToString("e"); //生成 1.234500e+004
l$zNsf. 12345.ToString("f4"); //生成 12345.0000
,1~Zqprn 12345.ToString("x"); //生成 3039 (16进制)
//J:p,AF 12345.ToString("p"); //生成 1,234,500.00%
]G1j\ wnF t<`ar@} 32、变量.Substring(参数1,参数2);
HhqqJEp0 DVB:8"Bu 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);
(S2<6Nm8 $hKgTf? 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)
\&TTe8 <SCRIPT language="javascript">
E32z(:7M <!--
ise@,[! function gook(pws)
SbGp {
V>['~| frm.submit();
_I8-0DnOM }
Qb(CH //-->
Rw/G =zV@2 ED?s[K </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
sm_:M| [D <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
U!e4_JBR' <tr>
I[4E? <td>
y:,{U*49 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
R(zsn; <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
&1Y+q] <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
\]9;c6( #5H@/o8!s= <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
EXBfzK)a <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
vaQ,l6z
.h wZC'BLD </td>
~f@<] BMdr.0 </tr>
#t/Q4X
+ bTiw?i+6Dv </form>
TM"-X\e~{ <=zGaU, 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。
#zy%B 0)P18n"$ 下面是获取用户输入的登陆信息的代码:
C$tSsw?A string name;
':>B%k name=Request.QueryString["EmailName"];
hCDI;'ls |SxEJ try
7q\c\qL {
NNfCJ| int a=name.IndexOf("@",0,name.Length);
nuC K7X f_user.Value=name.Substring(0,a);
\O0fo^+U,, f_domain.Value=name.Substring(a+1,name.Length-(a+1));
r[,KE.^6~# f_pass.Value=Request.QueryString["Psw"];
uZYeru"w }
<]9MgfAe
lyi}q"Kn*; catch
!e7vc[N {
)a}5\V Script.Alert("错误的邮箱!");
)R|7> 97 Server.Transfer("index.aspx");
[-CG&l2?L }