1. 打开新的窗口并传送参数:
>~f]_puT DDZ@$L! 传送参数:
0]L"H<W response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
m'U0'}Ld}; N+|d3X! 接收参数:
m~|40) string a = Request.QueryString("id");
;"I^ZFYX string b = Request.QueryString("id1");
cK@wsA^4 <v2;p}A 2.为按钮添加对话框
)+^+sd Button1.Attributes.Add("onclick","return confirm(’确认?’)");
~Ei<Z`3}7" button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
h;Kx!5)y }vuARZ> 3.删除表格选定记录
K"6vXv4QO int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
iscz}E,Y string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
`V1]k_h sA~]$A;DM! 4.删除表格记录警告
Sdo-nt private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Ef\-VKh {
mDWG7 Asp switch(e.Item.ItemType)
i%/+5gq {
x;S @bY case ListItemType.Item :
S/ *E,))m case ListItemType.AlternatingItem :
gUlo]!$ case ListItemType.EditItem:
[^)g%|W TableCell myTableCell;
zA 3_Lx! myTableCell = e.Item.Cells[14];
kM6
Qp LinkButton myDeleteButton ;
NbobliC= myDeleteButton = (LinkButton)myTableCell.Controls[0];
e.> P8C<& myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
#E[0ys1O break;
9?$i? default:
(Z*!#}z` break;
.`lCWeHN }
!i50QA|(G I]575\bA }
' QG?nu 7pd$\$ 5.点击表格行链接另一页
txpgO1 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
K'bP@y_cq {
Z;i:]( //点击表格打开
Dv"9qk if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
W!X@ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
|4JEU3\$ }
45e~6", 7v kL1IA 双击表格连接到另一页
s%S dG{A~Z z 在itemDataBind事件中
g-A-kqo9 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
0@(&eH= {
EPm/r string OrderItemID =e.item.cells[1].Text;
;jXgAAz7 ...
*hx e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
vdZW%-A&\ }
d$RIS+V eDMO]5}Ht 双击表格打开新一页
]lbuy7xj63 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
M{@(G5 {
1^}+=~ string OrderItemID =e.item.cells[1].Text;
g(052]
...
f 2.HF@ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
q'DW~!>qX }
BLttb Wri<h:1 ★特别注意:【?id=】 处不能为 【?id =】
bsX[UF 6.表格超连接列传递参数
pkzaNY/q <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
.]u/O`c] <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
ZH8,KY" ?}0 ,o. 7.表格点击改变颜色
|N2#ItBbW if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
JI}'dU>*U: {
Pal=F0-Q\ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
&pRREu:[4L this.style.color=’buttontext’;this.style.cursor=’default’;");
AKC`TA*E }
KPF1cJ2N !zo{tI19 写在DataGrid的_ItemDataBound里
a9gLg
& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
CrLrw T {
3S{/>1Y e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
";F'~}bDA this.style.color=’buttontext’;this.style.cursor=’default’;");
C _Dn{ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
;+%rw 2Z,B }
;TYBx24vD' t0S1QC+ Cye.gsCT 8.关于日期格式
z_HdISy0 3w=J'(RU 日期格式设定
Vksuu@cch DataFormatString="{0:yyyy-MM-dd}"
Hka2 L,\Iasv 我觉得应该在itembound事件中
\hXDO_U e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
KoT\pY^7\ g#bRT*,L 9.获取错误信息并到指定页面
^W^OfY @dKTx#gZ 不要使用Response.Redirect,而应该使用Server.Transfer
7I}uZ/N 'DR!9De e.g
eFgA 8kY) // in global.asax
^[[P*NX3 protected void Application_Error(Object sender, EventArgs e) {
ax`o>_) if (Server.GetLastError() is HttpUnhandledException)
7! Nsm Server.Transfer("MyErrorPage.aspx");
Tk}]Gev j%kncGS //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
TH;hO).u }
TOt dUO &
21%zPm 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
ZVBXx\{s KO [Yi 10.清空Cookie
2G7Wi!J Cookie.Expires=[DateTime];
COlqcq'qAu Response.Cookies("UserName").Expires = 0
>Tgv11[ ll^#JpT[S 11.自定义异常处理
<I?Zk80 //自定义异常处理类
-RwE%cr using System;
fC`&g~yK' using System.Diagnostics;
X'srL j. dV_G1' namespace MyAppException
?`s8 pPc4 {
e6*8K@LHB /// <summary>
_>+Ld6.T6 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
lxx2H1([ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
RZLq]8pM /// </summary>
.#gzP2 [q public class AppException:System.ApplicationException
MtdG>TzUn {
^q5#ihM public AppException()
XS#Qu=,- {
Hl"N} if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
#mdc [. }
4(+PD&_J %b$>qW\*& public AppException(string message)
)A6<c%d =x {
q V=!ORuj LogEvent(message);
)9g2D`a4 }
|Cv!,]9:r (.:e,l{U% public AppException(string message,Exception innerException)
teRTu {
/^ts9: LogEvent(message);
>MZ/|`[M if (innerException != null)
h p1Bi {
<'u'#E@"sl LogEvent(innerException.Message);
X'ag)|5ot }
BGSw~6 }
y29m/i: { 6il`>=C //日志记录类
* 4'"2" using System;
{7[Ox<Ho using System.Configuration;
N2G{<>= using System.Diagnostics;
$'v U2L using System.IO;
5pX6t using System.Text;
6nn*]|7 using System.Threading;
/~1+i'7V., ("KF'fp&M2 namespace MyEventLog
|!ELV7?( {
"oyo#-5z /// <summary>
wwqEl( /// 事件日志记录类,提供事件日志记录支持
w;M#c
Y /// <remarks>
81F9uM0 /// 定义了4个日志记录方法 (error, warning, info, trace)
vM={V$D& /// </remarks>
e\rp)[>' /// </summary>
$xsd~L& public class ApplicationLog
]Wup/o {
:gv"M8AP /// <summary>
a?1Wq /// 将错误信息记录到Win2000/NT事件日志中
KI.unP% /// <param name="message">需要记录的文本信息</param>
*. t^MP /// </summary>
W?&%x(6M public static void WriteError(String message)
tQVVhXQ7 {
^iA9%zp WriteLog(TraceLevel.Error, message);
7V>M] }
Xw1*(ffk *~`(RV /// <summary>
h[ ZN+M /// 将警告信息记录到Win2000/NT事件日志中
i8p6Xht /// <param name="message">需要记录的文本信息</param>
jXJyc'm7 /// </summary>
6BlXLQ,8q public static void WriteWarning(String message)
JF]JOI6.e {
sOY:e/_F WriteLog(TraceLevel.Warning, message);
+@UV?"d }
42{~Lhxt gYj'(jB /// <summary>
(7Qo /// 将提示信息记录到Win2000/NT事件日志中
hH.G#-JO /// <param name="message">需要记录的文本信息</param>
BtZ yn7a /// </summary>
sW$XH1Uf# public static void WriteInfo(String message)
0RfZEG) {
u*R_\*j@ WriteLog(TraceLevel.Info, message);
c-w)|-ac. }
z:O8Ls^\T /// <summary>
)7@0[> /// 将跟踪信息记录到Win2000/NT事件日志中
)oZ dj` /// <param name="message">需要记录的文本信息</param>
lZ0 =;I /// </summary>
okXl8&mi public static void WriteTrace(String message)
9WHddDA {
gw(z1L5
n WriteLog(TraceLevel.Verbose, message);
K3C <{#r }
kfNWI#'9
f1? >h\F8 /// <summary>
WIOV2+ /// 格式化记录到事件日志的文本信息格式
ICCc./l| /// <param name="ex">需要格式化的异常对象</param>
M5B# TAybC /// <param name="catchInfo">异常信息标题字符串.</param>
zs;JJk^ /// <retvalue>
[QTV9 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
CTK;dM'uQ /// </retvalue>
*Ex|9FCt$ /// </summary>
1YA% -~ public static String FormatException(Exception ex, String catchInfo)
@HW*09TG {
ESs\O?nO StringBuilder strBuilder = new StringBuilder();
:Tc^y%b0
if (catchInfo != String.Empty)
iLT}oKF2N; {
9mgIUjz strBuilder.Append(catchInfo).Append("\r\n");
^Cmyx3O^ }
9Flb|G% strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
H]s.=.Ki return strBuilder.ToString();
6@o*xK7L }
)0MB9RMk1 \v{=gK /// <summary>
V~bD)?M /// 实际事件日志写入方法
X]=t> /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
$e\M_hp*J /// <param name="messageText">要记录的文本.</param>
`/g
UV /// </summary>
)"LJ
hLg private static void WriteLog(TraceLevel level, String messageText)
m|# y
>4 {
ivPg9J1S try
j pOp. {
zi:BF60]= EventLogEntryType LogEntryType;
0V]s:S switch (level)
l%ZhA=TKQ {
=sFTxd_"iQ case TraceLevel.Error:
mmsPLv6 LogEntryType = EventLogEntryType.Error;
wBzC5T%, break;
]9L
oZ) case TraceLevel.Warning:
fVwUe _Y LogEntryType = EventLogEntryType.Warning;
Q\)F;: | break;
p<2,=*2 case TraceLevel.Info:
*"kM{*3:v LogEntryType = EventLogEntryType.Information;
.pq%?& break;
E4!Fupkpf case TraceLevel.Verbose:
\jA~9 LogEntryType = EventLogEntryType.SuccessAudit;
GfG|&VNlz break;
'S~5"6r default:
~
1 pr~ LogEntryType = EventLogEntryType.SuccessAudit;
*=n:- break;
l~.-e^p? }
JRFtsio* )+M0Y_r EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
hSMH,^Io$ //写入事件日志
z2c6T.1M eventLog.WriteEntry(messageText, LogEntryType);
z~Q)/d,Ac zzz3Bq~ }
07)yG:q*x catch {} //忽略任何异常
ddo#P%sH' }
8Y3I0S } //class ApplicationLog
+RXoi2"-q@ }
Wm|lSisY eFAnFJ][L 12.Panel 横向滚动,纵向自动扩展
k8Xm n6X <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
1cGmg1U; :LTN!jj 13.回车转换成Tab
9cgUT@a <script language="javascript" for="document" event="onkeydown">
zJXplvaL;
if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
C>~TI,5a3 event.keyCode=9;
.-=vx r </script>
uMv1O{ *kVV+H<X|b onkeydown="if(event.keyCode==13) event.keyCode=9"
b\ PgVBf9 +3`alHUK 14.DataGrid超级连接列
8_tQa^.n\ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
':}\4j&{E .l|$dE/E 15.DataGrid行随鼠标变色
ExM,g' 7 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
!+ njS {
f-d1KNY if (e.Item.ItemType!=ListItemType.Header)
|' . {
uocGbi:V'; e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
8[>zG2 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
W`&hp6Jq }
L(o15 }
6,uX,X5 ?8 {"x8W; 16.模板列
m3ff;, <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
4sM.C9W <ITEMTEMPLATE>
4~=l}H>& <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
66 Tpi![ </ITEMTEMPLATE>
)jC%a6G! </ASP:TEMPLATECOLUMN>
Ha#>G<;n WKU=.sY <ASP:TEMPLATECOLUMN headertext="选中">
SB7c.H, <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
>Se,;cB'/] <ITEMTEMPLATE>
vI]N^j2% <ASP:CHECKBOX id="chkExport" runat="server" />
_~pbqa,
</ITEMTEMPLATE>
2JFpZU"1 <EDITITEMTEMPLATE>
2-b6gc7 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
=mGez )T5\ </EDITITEMTEMPLATE>
MW{8VH6+ </ASP:TEMPLATECOLUMN>
T>GM%^h,7- o14cwb 后台代码
4 OX^( protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
_
J[ {
c|1&lYal; //改变列的选定,实现全选或全不选。
|)81Lz CheckBox chkExport ;
i?~3*#IpD if( CheckAll.Checked)
!Uc T RI {
d7i]FV foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
xm@_IL&P {
qFNes)_r chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
2
FFD%O05 chkExport.Checked = true;
05k0n E }
$A`VYJtt# }
03(4 x'z else
2m[<]$ {
K@#L)VT! foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
EIQ
p>|5 {
-(#iIgmP chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Q&V;(L62! chkExport.Checked = false;
gdoLyxQ }
-gWZwW/lD }
PT9*)9<L }
Faf&U%]*` ~nPtlrQa#* 17.数字格式化
7yba04D) Lxk[;j+ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
rD>f|kA?L <%#Container.DataItem("price","{0:¥#,##0.00}")%>
B]$GSEB <|\Lm20G] int i=123456;
+]50D xflA string s=i.ToString("###,###.00");
Yuc> fFA )/EO&F 18.日期格式化
'ah[(F<*@e \G3rX9xG 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
X|8c>_} m9A!D 显示为: 2004-8-11 19:44:28
9E6R0D} /SrAW`;" 我只想要:2004-8-11 】
@]#1(9P <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
[h:T*(R? \j)E5b+ 应该如何改?
VYhbx
'e |a%Tp3Q~ 【格式化日期】
V/;B3t~f .%OR3"9@ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
-R6)ROGl TuYCR>P[ 【日期的验证表达式】
#!m.!?
O (3&?w y_l A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
;Q&5,<
N)j ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
FkRo
_? wuqJr:q*# B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
}#E[vRf ^\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]))$
N"y)Oca{ _{Hj^}+$ 【大小写转换】
*~H Sy8s HttpUtility.HtmlEncode(string);
u?{H}V HttpUtility.HtmlDecode(string)
_]*>*XfF( pXK^Y'2C! 19.如何设定全局变量
&yol_%C vI)LB)Q Global.asax中
27<
Enq] Q1l '7N Application_Start()事件中
C{XmVc. /[>sf[X\I9 添加Application[属性名] = xxx;
T${Q.zHY[! ,-e{(L 就是你的全局变量
vFK<J Sk! j9OG\m 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
d&s9t;@= O5t[ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
O s.4) -\n@%$M]G 【ASPNETMENU】点击菜单项弹出新窗口
'oC)
NpnH _H=Uwi_g 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
~BkCp pI <?xml version="1.0" encoding="GB2312"?>
}Ys>(w <MenuData ImagesBaseURL="images/">
AZ}Xj>= <MenuGroup>
Bng@-#`/ <MenuItem Label="内参信息" URL="Infomation.aspx" >
d$AWu{y <MenuGroup ID="BBC">
5-xX8-ElYz <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
E1U",CMU <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
Ezv
Y"T@ ......
Gm.]sE?. Q&|\r 最好将你的aspnetmenu升级到1.2版
9,'ncw$/C H1(Uw:V8 21.读取DataGrid控件TextBox值
q\527^ZM foreach(DataGrid dgi in yourDataGrid.Items)
LAe6`foW/ {
Sa`Xf\ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
v2;`f+ tb.Text....
,T8 ~L#M~ }
nmi|\mof e,XYVWY% 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?
w~?~g<q xLZG:^(I 〖思归〗
a"g!e^ <asp:TemplateColumn HeaderText="数量">
*%t^;&x? <ItemTemplate>
M>8A\;" <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
%\Mo-Ow!\ onkeyup="javascript:DoCal()"
a,#j = />
B[?CbU Y,e B| <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
0|\$Vp </ItemTemplate>
~PahoRS </asp:TemplateColumn>
\qK&q ?vHU# <asp:TemplateColumn HeaderText="单价">
:+|Z@KB <ItemTemplate>
[o5Hl^ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
A4<Uu~ onkeyup="javascript:DoCal()"
m&?r%x />
A1?2*W %lGfAYEM= <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
p >t#@Eu| JNUt$h </ItemTemplate>
u21EP[[, </asp:TemplateColumn>
6ez<g
Uf 0aa&m[Mk <asp:TemplateColumn HeaderText="金额">
5vZ^0yFQ <ItemTemplate>
g5QZ0Qkj <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
x&T [*i </ItemTemplate>
WoRZW% </asp:TemplateColumn><script language="javascript">
N;j)k; function DoCal()
"s_lP&nq {
-JjM y X var e = event.srcElement;
`&sH-d4v var row = e.parentNode.parentNode;
E5lBdM>2 var txts = row.all.tags("INPUT");
/U)D5ot< if (!txts.length || txts.length < 3)
*m,k(/> return;
_ T):G6C8 -rli(RR)| var q = txts[txts.length-3].value;
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