1. 打开新的窗口并传送参数:
uRFNfX(* A_aO}oBX 传送参数:
fG3wc
l~ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
PMQb\%iE" G%Y*q(VrEu 接收参数:
7WXiG0 string a = Request.QueryString("id");
(&k')ff9K string b = Request.QueryString("id1");
75<el.'H )Gmb?!/^ 2.为按钮添加对话框
3mybG%39 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
am3V9"\ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
w{~" ;[@ 1R*1BStc 3.删除表格选定记录
tD865gi int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
N=.}h\{0 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
>}mNi:6xq nM=2"`@$ 4.删除表格记录警告
3F;EE: private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
*u58l(&`8 {
`Y0fst<, switch(e.Item.ItemType)
]!q
}|bP {
/\nJ case ListItemType.Item :
~0av3G case ListItemType.AlternatingItem :
BF>T*Z-Ki case ListItemType.EditItem:
g~eJ
YS, TableCell myTableCell;
%s]U@Ku(a myTableCell = e.Item.Cells[14];
r}Ltv?4 LinkButton myDeleteButton ;
nMLU-C!t myDeleteButton = (LinkButton)myTableCell.Controls[0];
Hi$#!OU myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
`Yg7,{A\J break;
gfV]^v default:
)8 oEs break;
RzMA\r;# }
X #&(~1O y|$vtD%c }
m9 ^m eog\pMv 5.点击表格行链接另一页
U<K|jsFo private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
*Rz!i m| {
jQO*oq} //点击表格打开
pHigxeV2 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
hkkF1
h e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
\dC.%# }
O 0Vn";Q 4 )j]gm i" 双击表格连接到另一页
V|+ `L- F|DR 在itemDataBind事件中
Z3OZPxm if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
,G/\@x% {
~GAlNIv] string OrderItemID =e.item.cells[1].Text;
d&O'r[S ...
lO%MyP e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
s@/B*r9 }
pK-_R# Q@PJ)fwN 双击表格打开新一页
oH!$eAU? if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
(7M^-_q]D {
@$2`DI{_^ string OrderItemID =e.item.cells[1].Text;
=ZxW8DK ...
Tnzco e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
z4 GN8:~x }
AN|jFSQ' 4he v
; ★特别注意:【?id=】 处不能为 【?id =】
zv8aV2?D 6.表格超连接列传递参数
r)) $XM <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
em f0sL <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
;D%$Eh&oma AsTMY02| 7.表格点击改变颜色
Fr1;)WV if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
9:bh3@r/ {
nF|#@O`1 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
#j(q/
T{x this.style.color=’buttontext’;this.style.cursor=’default’;");
\]tq7 }
<1;,B%_^ MzBfHt'Rk 写在DataGrid的_ItemDataBound里
23(B43zy
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
,-w-su=J_ {
`I]1l MJ)o e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
hY\Eh. this.style.color=’buttontext’;this.style.cursor=’default’;");
[Q2S3szbt6 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
7j9D;_(.^$ }
o=mq$Z:} 0X] ekq
T4%i`<i 8.关于日期格式
4d{"S02h r[C3u[ 日期格式设定
F{a0X0ru~ DataFormatString="{0:yyyy-MM-dd}"
S!`4Bl U89]?^|bb 我觉得应该在itembound事件中
:F!dTD$ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
8:3oH!n Y yQf 9.获取错误信息并到指定页面
@lb=-oR!~ pgLzFY[' 不要使用Response.Redirect,而应该使用Server.Transfer
2?#y
|/ rahHJp.Ws e.g
7Va#{Y;Zy // in global.asax
n?<#
{$ protected void Application_Error(Object sender, EventArgs e) {
.N2nJ/ if (Server.GetLastError() is HttpUnhandledException)
EOd.Tyb!/ Server.Transfer("MyErrorPage.aspx");
*IMF4x5M >oM9~7f //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
=]5DYRhX] }
y]~+ `9 S0Rf>Eo4 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
7?n*t (hRgYwUa< 10.清空Cookie
89:?.' Cookie.Expires=[DateTime];
#cSw"A Response.Cookies("UserName").Expires = 0
e)ZyTuj Mipm&5R 11.自定义异常处理
U5@TaGbx //自定义异常处理类
Ee$"O6*! using System;
$ ufSNx(F using System.Diagnostics;
S<2CG)K[ Q
KcF1? namespace MyAppException
^a:vJ)WB7 {
e4>L@7 /// <summary>
7Ap~7)z[ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
XNkQk0i;g& /// 自动将异常内容记录到Windows NT/2000的应用程序日志
(dO'_s&M]/ /// </summary>
WwCK K public class AppException:System.ApplicationException
LX(iuf+l {
-Y
6.?z public AppException()
8JjU 9# {
s)o,Fi if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
k#IS,NKE }
R%]9y]HQ 7YQK@lS public AppException(string message)
!~w6"%2+7 {
?@g;[310` LogEvent(message);
#+k.b_LS }
&}L36|A: Eezlx9b public AppException(string message,Exception innerException)
\M'bY: {
V{AH\IV- LogEvent(message);
r0hta)xa if (innerException != null)
r[UyI3(i^ {
b.%B;qB LogEvent(innerException.Message);
yp^[]Mz= }
.JD4gF2N }
mER8>
< `DWi4y7 //日志记录类
5 vu_D^Q using System;
[#P`_hx using System.Configuration;
d<|lLNS using System.Diagnostics;
cc2 oFn using System.IO;
H>X\C;X[
using System.Text;
CwEWW\Bu using System.Threading;
w ;s ]n +qSr=Y:+ namespace MyEventLog
#0YzPMV {
QU,TAO /// <summary>
&)"7am(S` /// 事件日志记录类,提供事件日志记录支持
nM (=bEX /// <remarks>
Hq"<vp /// 定义了4个日志记录方法 (error, warning, info, trace)
_A~~L6C /// </remarks>
v,!Y=8~9 /// </summary>
}G,SqpcG public class ApplicationLog
@6i8RmOu} {
:}3qZX /// <summary>
iuU3*yyn /// 将错误信息记录到Win2000/NT事件日志中
wE8a4. /// <param name="message">需要记录的文本信息</param>
/F8\%l+ /// </summary>
xJF6l!` public static void WriteError(String message)
\$~oH3m& {
D?*sdm9r` WriteLog(TraceLevel.Error, message);
wTMHoU*> }
b0z{"
eB/hyC1 /// <summary>
u{{xnyl? /// 将警告信息记录到Win2000/NT事件日志中
#iqhm,u7D /// <param name="message">需要记录的文本信息</param>
$E9daUt8"J /// </summary>
ad3z]dUZ9 public static void WriteWarning(String message)
}JpslY*aS {
Edn$0D68u_ WriteLog(TraceLevel.Warning, message);
hOrk^iYN= }
+k(3+b$S- 9^
*ZH1 /// <summary>
~a8G 5M /// 将提示信息记录到Win2000/NT事件日志中
EfrkB" /// <param name="message">需要记录的文本信息</param>
Pguyf2/w /// </summary>
meM.?kk( public static void WriteInfo(String message)
|>/&EElD {
He71h(BHm WriteLog(TraceLevel.Info, message);
s?Qb{ }
M:1F@\< /// <summary>
-RqAT 1 /// 将跟踪信息记录到Win2000/NT事件日志中
,d [b"]Zy /// <param name="message">需要记录的文本信息</param>
O3w_vm' /// </summary>
/YugQ.>| l public static void WriteTrace(String message)
}Cq9{0by?a {
sh))[V"8 WriteLog(TraceLevel.Verbose, message);
J!K/7uS }
W1vAK xO9]yULgu /// <summary>
Z\gg<Q /// 格式化记录到事件日志的文本信息格式
d`],l\oC /// <param name="ex">需要格式化的异常对象</param>
{+UNjKQC /// <param name="catchInfo">异常信息标题字符串.</param>
v YmtpKNj% /// <retvalue>
aa YQ< /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
8yo6v3JqC /// </retvalue>
#u2&8-Gh /// </summary>
.jGsO0 public static String FormatException(Exception ex, String catchInfo)
|<Dx {
3NxaOO` StringBuilder strBuilder = new StringBuilder();
!wR{Y[Yu if (catchInfo != String.Empty)
U37?P7i's {
hC 4X Y strBuilder.Append(catchInfo).Append("\r\n");
HfeflGme* }
]R0A{+]n strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
t1{%FJ0F return strBuilder.ToString();
vhquHy.qi# }
Q"K >ML>0 []N$;~R7 /// <summary>
/HJ(Wt
q /// 实际事件日志写入方法
4ysdna\+ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
I#hg(7|", /// <param name="messageText">要记录的文本.</param>
C=_-p"O# /// </summary>
:_YG/0%I private static void WriteLog(TraceLevel level, String messageText)
a$ ! {Tob2 {
!9<RWNKV)Y try
=!P?/ {
Iv|WeSL. EventLogEntryType LogEntryType;
UG?C=Tf switch (level)
5@Lxbe(
q {
(7jB_ p% case TraceLevel.Error:
n\ ',F LogEntryType = EventLogEntryType.Error;
io33+/ break;
GqD!W8+ case TraceLevel.Warning:
Lvj5<4h; LogEntryType = EventLogEntryType.Warning;
m<'xlF break;
|KrG3-i3X case TraceLevel.Info:
.8PO7# LogEntryType = EventLogEntryType.Information;
e%v4,8 break;
${?ex nb$ case TraceLevel.Verbose:
8W<)c LogEntryType = EventLogEntryType.SuccessAudit;
&'ETx" break;
QKaj4?p$|S default:
u+gXBU LogEntryType = EventLogEntryType.SuccessAudit;
2"Uk}Yz| break;
Q]g 4gj }
GxDF7
z%& oY6|h3T=Q$ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
NUnc"@ //写入事件日志
'%RK KA eventLog.WriteEntry(messageText, LogEntryType);
<VxpMF MJ/%$ }
#|_UA}Y catch {} //忽略任何异常
AW;)_|xM }
'>mb@m } //class ApplicationLog
].f,3itg& }
}nY^T&?` f]A6Mx6 12.Panel 横向滚动,纵向自动扩展
`rdfROKv <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
WAmoKZw2 ?G>TaTiK# 13.回车转换成Tab
#bZ=R <script language="javascript" for="document" event="onkeydown">
JTB~nd> if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
+e4<z%1 event.keyCode=9;
CU`Oc>;*T </script>
g!Yh=kA'N pfQZ|*>lkb onkeydown="if(event.keyCode==13) event.keyCode=9"
Hi"
n GH l}-`E@w 14.DataGrid超级连接列
6F&]Mk]V8 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
K2MNaB iEgM~ 15.DataGrid行随鼠标变色
IS4K$Ac. private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
W#\};P
{
32|L
$o if (e.Item.ItemType!=ListItemType.Header)
$H@)hY8wA {
N3c)ce7[ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
}=m?gF%3 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
jMWwu+w }
=yhfL2`aw }
]9< 9F ? UpseU8Wo 16.模板列
[,$mpJCI <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
K}/`YDu <ITEMTEMPLATE>
-LK(C`gB <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
f=O>\ </ITEMTEMPLATE>
g+r{>x </ASP:TEMPLATECOLUMN>
L?C~
qS2g @=#s~ 3 <ASP:TEMPLATECOLUMN headertext="选中">
kCjI`=7$[ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Hg_
XD, <ITEMTEMPLATE>
gH//
TbS <ASP:CHECKBOX id="chkExport" runat="server" />
)hJjVitG </ITEMTEMPLATE>
1nTaKK
q <EDITITEMTEMPLATE>
p}|wO&4h <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
L=wFo^N </EDITITEMTEMPLATE>
G/3lX^Z> </ASP:TEMPLATECOLUMN>
=}GyI_br;8 sH,)e'0 后台代码
x Bw.M{ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
V+~{a:8[pq {
iwjl--)@K //改变列的选定,实现全选或全不选。
m9w
;a CheckBox chkExport ;
I%C:d#p if( CheckAll.Checked)
Bo\v-97 {
]sP9!hup foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
[#6Esy8| {
!enz05VW6. chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
EjE`S_i= chkExport.Checked = true;
XTaWd0Y }
RW[<e }
\0T*msYQ else
Xt*%"7yTp {
iSLf: foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
f>[;|r@K {
JP@m%Yj chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
X&oy.Roo chkExport.Checked = false;
-vfu0XI~ }
f_2^PF>? }
o?
"@9O? }
9}$dwl( D c.W vUM 17.数字格式化
j=% -b] k#NMD4(%O 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
cD@lorj <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Y8'_5?+ 0 QjN3j*@ int i=123456;
g@f/OsR76 string s=i.ToString("###,###.00");
N%E2BJ? (MiOrzT 18.日期格式化
tS|zf,7 ^l9
*h 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
jV&W[xKa E?D{/k,zZ 显示为: 2004-8-11 19:44:28
FGhrf ']e4! 我只想要:2004-8-11 】
Xtnmh)'K~# <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
'z!#E!i f|1FqL+T] 应该如何改?
<f{`}drp/ Cy'W!qH 【格式化日期】
<%uZwk># &YP>"< 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
k\Tm?^L) `9{C/qB 【日期的验证表达式】
sc>)X{eb u`,R0=<4 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
A_U0HVx_ ^((\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})))?$
K
:ptfD N ] /d B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
3"D00~ ^\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]))$
x+`3G. R:x04!} 【大小写转换】
c}s3c
>`d HttpUtility.HtmlEncode(string);
|sM#g1D@ HttpUtility.HtmlDecode(string)
;K-t :S6 <v0`Z 19.如何设定全局变量
vJ} vz5RS Global.asax中
m|FONQ,@D LOkDx2@g Application_Start()事件中
S9055`v5 )X$n'E 添加Application[属性名] = xxx;
=DwH*U/YR tO3B_zC 就是你的全局变量
"z4E|s yE{UV>ry 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
UpBYL?+L RVy 87_J1 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
>&Lu0oHH iPNsEQ0We 【ASPNETMENU】点击菜单项弹出新窗口
k
rjd:*E baG I(Dk 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
k-0e#"B <?xml version="1.0" encoding="GB2312"?>
uRhH_c-6C <MenuData ImagesBaseURL="images/">
NH6!|T <MenuGroup>
czi!q1<vg <MenuItem Label="内参信息" URL="Infomation.aspx" >
<)rH8]V <MenuGroup ID="BBC">
?IO/zkeXg <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
3_-m>J**
<MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
W7>_nK+g? ......
:Xr3 3 74wa 最好将你的aspnetmenu升级到1.2版
D)6|| z} RlIqH;n 21.读取DataGrid控件TextBox值
oC>~r1.j foreach(DataGrid dgi in yourDataGrid.Items)
1&nrZG9 {
* OFT)S TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
o62gLO]z@ tb.Text....
wj~8KHan }
f2f$aZ ^E*C~;^S 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?
)A;<'{t #L f89<o#bm7h 〖思归〗
36UWoo <asp:TemplateColumn HeaderText="数量">
Yb/^Qk59 <ItemTemplate>
^>uGbhBp <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
C.p*mO&N onkeyup="javascript:DoCal()"
w=2X[V} />
w`:KexD+ .1M>KRSr, <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
ePdzQsnVe </ItemTemplate>
k Er7,c </asp:TemplateColumn>
:D-vE7 4}j}8y2)H <asp:TemplateColumn HeaderText="单价">
5@5="lNjS <ItemTemplate>
N`fY%"5U> <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Fd'L:A~ onkeyup="javascript:DoCal()"
X/"H+l />
W0hLh<Go cH ?]uu( <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
)~ kb7rfl qIp`'.#m </ItemTemplate>
EB,>k1IJ </asp:TemplateColumn>
Yb*}2 Xu0*sQK <asp:TemplateColumn HeaderText="金额">
#y%Ao\~kG <ItemTemplate>
9a unv <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
vS<e/e+ </ItemTemplate>
2YQ$hL ~ </asp:TemplateColumn><script language="javascript">
$E6uA}s function DoCal()
H&+s&