1. 打开新的窗口并传送参数:
N x/_+JWje
Ndqhc 传送参数:
W$u/tRF response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
3?yq*uE} .KE2sodq 接收参数:
{i:Ayhq~& string a = Request.QueryString("id");
EN~ha:9 string b = Request.QueryString("id1");
EP]O J$6I = k>ygD_ 2.为按钮添加对话框
2(NN QU@Uz Button1.Attributes.Add("onclick","return confirm(’确认?’)");
O`='8'6zW\ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
{@3p^b*E)1 8Sg:HU\ 3.删除表格选定记录
WJw
%[_W int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
tfq; KR string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
\ dZD2e4 )R"deb=s 4.删除表格记录警告
"z ;ky8 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
"?Xb$V7 {
yI}_
U switch(e.Item.ItemType)
Dq~D4| {
!\N|$-M case ListItemType.Item :
mX
QVL.P\ case ListItemType.AlternatingItem :
iC Z1ARi case ListItemType.EditItem:
7D wf0Re` TableCell myTableCell;
~bSjZ1` myTableCell = e.Item.Cells[14];
c^BeT; LinkButton myDeleteButton ;
X5Ff2@."y| myDeleteButton = (LinkButton)myTableCell.Controls[0];
vhu5w#]u* myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
:X~{,J break;
)x&OdFX default:
&oqzQ+H break;
Km,:7#aV }
St~a/Lq6 `1)n2<B }
7%Ii:5Bp (% f2ZNen 5.点击表格行链接另一页
(= ,w$ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
+#0,2wR# {
ttC+`0+H //点击表格打开
~:lN("9OI if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
mRC6m
K> e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
\j3XT} }
7Ys\=W1 P*sb@y>}O 双击表格连接到另一页
)K^5+oC17 +UC- 在itemDataBind事件中
A]"IQ- if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
1r;.r| {
7"Iagrgw string OrderItemID =e.item.cells[1].Text;
U4$CkTe2Y ...
0`l(c e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
'CO3b, }
k=qb YGK %.;`0}b 双击表格打开新一页
yW)X
asn if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
h"5!puN+ {
0'.7dzz string OrderItemID =e.item.cells[1].Text;
YkbZ 2J*- ...
(xhV>hsA e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
S)[$F} }
tcU4$%H/ Um\_G@ ★特别注意:【?id=】 处不能为 【?id =】
A/{0J\pA 6.表格超连接列传递参数
dk4|*l- <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
h2]gA_T` <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
G%RhNwm mBZg(TY 7.表格点击改变颜色
|Y\BI^ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
_f5n
t:- {
8]-c4zK e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
+XN/ bT this.style.color=’buttontext’;this.style.cursor=’default’;");
b".e6zev }
p[M*<==4 F),wj8#~>- 写在DataGrid的_ItemDataBound里
5W=jQ3 C if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
&fYV FRVkq {
-{'WIGm e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
wX*F'r"z this.style.color=’buttontext’;this.style.cursor=’default’;");
=jN9PzLk e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
WGrG#Kw[ }
z^r F/I`EV @$(@64r 8.关于日期格式
~)&im.Q4 H]/!J] 日期格式设定
zV8^Hxl DataFormatString="{0:yyyy-MM-dd}"
C7lBK<gQ %1oG<s 我觉得应该在itembound事件中
A#P]|i e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
17{$D,P YjM_8@< 9.获取错误信息并到指定页面
C%y!)v_x I>L@P`d 不要使用Response.Redirect,而应该使用Server.Transfer
Lw!Q*3c 79JU e.g
f.&((z?rC // in global.asax
Pwh0Se5Z protected void Application_Error(Object sender, EventArgs e) {
d*{NAq'9X if (Server.GetLastError() is HttpUnhandledException)
V
K)%Us- Server.Transfer("MyErrorPage.aspx");
o1(?j}:c| 4]$$ar) //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
iCrLZ"$M }
?H2{R: ~9KxvQzt 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
1-M\K^F dW8M^A& 10.清空Cookie
PRE\2lLY Cookie.Expires=[DateTime];
:>'4@{' Response.Cookies("UserName").Expires = 0
{a `#O9 {v>orP? 11.自定义异常处理
D7"RZF\) //自定义异常处理类
YzD6S*wb using System;
oTqv$IzqP using System.Diagnostics;
?QXc,*=N x.OCE` namespace MyAppException
BRg(h3 ED {
*?GV(/Q /// <summary>
8={"j /// 从系统异常类ApplicationException继承的应用程序异常处理类。
7CKh?> /// 自动将异常内容记录到Windows NT/2000的应用程序日志
lB
Y "@N /// </summary>
L~])?d public class AppException:System.ApplicationException
3\Ma)\>R\- {
g,N"o72) public AppException()
IfdgMELk {
7u9!:}Tu if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
*j0kb"# }
LYv$U;*+ hD5G\TR. public AppException(string message)
`Ko6;s# {
rcWr0q LogEvent(message);
Jm l4EW7 }
ED+tVXyw k5%:L2FO public AppException(string message,Exception innerException)
M!e$h?vB {
&b#O=LF LogEvent(message);
))qOsphN if (innerException != null)
z`:uvEX0 {
=U_WrY<F LogEvent(innerException.Message);
SqF9#&F }
9<ev]XaSl }
rprtp5C g V!Q1o!J //日志记录类
Alsr6uLT1 using System;
-%*w&',G using System.Configuration;
8"\g?/ using System.Diagnostics;
C/w!Y)nB= using System.IO;
c88I"5@[bD using System.Text;
$O/@bh1@p using System.Threading;
%;Dp~T`0 _26~<gU8 namespace MyEventLog
itmdY!;< {
dsh S+d /// <summary>
OEN!~-u /// 事件日志记录类,提供事件日志记录支持
Y^Olcz /// <remarks>
vZQ' /// 定义了4个日志记录方法 (error, warning, info, trace)
uNV\_'9>Y /// </remarks>
p+;[i%` /// </summary>
z&6TdwhV public class ApplicationLog
=h4*
^NJ {
O#e' .n!rI /// <summary>
BWbM$@'x /// 将错误信息记录到Win2000/NT事件日志中
!\0UEC /// <param name="message">需要记录的文本信息</param>
nM)q;9-ni /// </summary>
HktvUJ(Ii public static void WriteError(String message)
-|l^- Qf! {
-2dk8]KB] WriteLog(TraceLevel.Error, message);
<3;Sq~^ }
) DzbJ} ,c%>M^d /// <summary>
(>E70|T /// 将警告信息记录到Win2000/NT事件日志中
=psX2?%L /// <param name="message">需要记录的文本信息</param>
HW)4#nLhh /// </summary>
`nxm<~-\ public static void WriteWarning(String message)
kAEm#oz=g {
=3Y:DPMB WriteLog(TraceLevel.Warning, message);
4EO,9#0 }
U2DE" .5',w"R /// <summary>
f,?P1D\ /// 将提示信息记录到Win2000/NT事件日志中
]&')#YO /// <param name="message">需要记录的文本信息</param>
c:/H}2/C /// </summary>
bk**% ] public static void WriteInfo(String message)
[_&\wHX {
1?6;Oc^ WriteLog(TraceLevel.Info, message);
[HKTXF{n }
i U^tv_1 /// <summary>
<4gT8kQ$x /// 将跟踪信息记录到Win2000/NT事件日志中
.."= /// <param name="message">需要记录的文本信息</param>
;BsPms@U /// </summary>
RN0@Q~oTI public static void WriteTrace(String message)
_7AR2 {
BnLM ;5
> WriteLog(TraceLevel.Verbose, message);
5/:BtlFx }
VPB,8zb] bN6FhKg| /// <summary>
F9sVMV /// 格式化记录到事件日志的文本信息格式
+[MzF EE[ /// <param name="ex">需要格式化的异常对象</param>
R).?lnS /// <param name="catchInfo">异常信息标题字符串.</param>
Jv*(DFt!v /// <retvalue>
[dK5kO /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
GgoPwl#{ /// </retvalue>
a)+;<GZ~ /// </summary>
] Fx9!S public static String FormatException(Exception ex, String catchInfo)
1]L 0r {
88)F-St StringBuilder strBuilder = new StringBuilder();
io[$QTY if (catchInfo != String.Empty)
rpk
)i:k\ {
?I6us X9$ strBuilder.Append(catchInfo).Append("\r\n");
{ XN"L3A }
[>IAS> strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Fxu'(xa return strBuilder.ToString();
TwlrncK* }
&*wN@e(c @O7hY8", /// <summary>
H1]An'qz, /// 实际事件日志写入方法
q;dg,Om /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Pd99vq/ /// <param name="messageText">要记录的文本.</param>
w&eX)! /// </summary>
vjy 59m private static void WriteLog(TraceLevel level, String messageText)
kxJ! #%w {
d]JiJgfa% try
RJ ,a}w[9 {
jt?937{ EventLogEntryType LogEntryType;
#K|:BS switch (level)
=K6aiP$Ft {
V^a]@GK: case TraceLevel.Error:
LV4]YC LogEntryType = EventLogEntryType.Error;
TG\3T%gH/s break;
0] 'Bd`e case TraceLevel.Warning:
a9CY,+z5B LogEntryType = EventLogEntryType.Warning;
XwKB+Yj0 break;
r sf +dC case TraceLevel.Info:
]V,wIyC LogEntryType = EventLogEntryType.Information;
nu1s break;
B 4pJg case TraceLevel.Verbose:
R^`# xQ LogEntryType = EventLogEntryType.SuccessAudit;
S\"/=|\ break;
kKU,|>3h default:
\/3Xb LogEntryType = EventLogEntryType.SuccessAudit;
O@@=ZyYwc break;
GXV<fc"1 }
G@Z,Hbgm N`FgjnQ` EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
prf //写入事件日志
R<}n?f\#JZ eventLog.WriteEntry(messageText, LogEntryType);
}B{bM<dF ,&Iw5E[ }
l.ri]e catch {} //忽略任何异常
`'Fz:i }
A4lh`n5% } //class ApplicationLog
-6(u09mb_ }
J2\%rb, [FHSFr
E,5 12.Panel 横向滚动,纵向自动扩展
sb"etc`w%- <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
y^vB_[6l -nbo[K 13.回车转换成Tab
J. ;9- <script language="javascript" for="document" event="onkeydown">
:wn9bCom?M if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
f%Y'7~9bA event.keyCode=9;
9%>GOY </script>
xEt".K l6^IX0&p onkeydown="if(event.keyCode==13) event.keyCode=9"
f;<qGM.#| ZXP9{Hh 14.DataGrid超级连接列
3g!tk9InG DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
UADD 7d oMH-mG7:K 15.DataGrid行随鼠标变色
R;2tb7 o private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
}%K)R5C {
<!ewb=[_$ if (e.Item.ItemType!=ListItemType.Header)
3jMHe~.E< {
otQulL)T/ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
;A~efC^< e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Tw|cg B }
>
YHwWf- }
O s*B%,} dg9
DBn# 16.模板列
(1`z16 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
2!Ip!IQ: <ITEMTEMPLATE>
ZJCD)?]=3 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
C-Q]f </ITEMTEMPLATE>
>7yOu!l </ASP:TEMPLATECOLUMN>
YGRv` `( D^+#RR'#, <ASP:TEMPLATECOLUMN headertext="选中">
!a"RHg:HO <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
tDF=Iqu)a <ITEMTEMPLATE>
=D<{uovQB <ASP:CHECKBOX id="chkExport" runat="server" />
Algk4zfK2, </ITEMTEMPLATE>
kPt9(E] <EDITITEMTEMPLATE>
yi7m!+D3 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Z x9oj </EDITITEMTEMPLATE>
g3r4>SA </ASP:TEMPLATECOLUMN>
~NYy@l Q;m:o8Q5 后台代码
#/u% sX`#y protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
9>y6zFTV {
?&Zfb //改变列的选定,实现全选或全不选。
}cov"o CheckBox chkExport ;
iGG; if( CheckAll.Checked)
MdzG2uZT {
jSLNQ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
`~zY!sK {
GfEg][f chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
4CR.= chkExport.Checked = true;
{0J TN%e }
9,h'cf`F }
:JBvCyj4PE else
Qqt< {
%nU8 Ca foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
9.F+)y@ {
s bf\;_! chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*h=|KOS chkExport.Checked = false;
>Qk4AMIO }
[nQ<pTg~r }
N1dp%b9W( }
9cJzL"yi y'ZRoakz) 17.数字格式化
u="VJ3 9EryHV| 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
eGZ{%\PH< <%#Container.DataItem("price","{0:¥#,##0.00}")%>
a@[y)xa$Z
EAVB:gE int i=123456;
Tvd=EO string s=i.ToString("###,###.00");
oz!;sj{,D x1\a_Kt 18.日期格式化
<S*o}:iB Jg I+k Nx 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
'g<0MOq{ seT?:PCA 显示为: 2004-8-11 19:44:28
`^t0379e 3*13XQ 我只想要:2004-8-11 】
9(.P2yO <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
4~<
:Pj &.sfu$] 应该如何改?
; Drt4fOxX -p|@En n 【格式化日期】
577H{;pW Jf<+VJ>t 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
(A.%q1h <"|BuK 【日期的验证表达式】
~HbZRDcJc O2[uN@nY A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
:Oz! M&Ov ^((\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})))?$
-rYOx9P4 *,w9#?2x B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
[[{y?-U ^\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]))$
tx=~bm"*? wO6`Ap
t1: 【大小写转换】
Etk`>,]Y>y HttpUtility.HtmlEncode(string);
^rd]qii" HttpUtility.HtmlDecode(string)
&%QtUPvr9 B dHLow 19.如何设定全局变量
ulM6R/V:? i#$N,kt Global.asax中
92}UP=RW! a0y7a/@c Application_Start()事件中
>3HLm3 T 6 /T_+K.k 添加Application[属性名] = xxx;
&lg+uK !C&!Wj 就是你的全局变量
A;~u"g 'z& 52-Gk2dp 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Go>_4)jy k(>hboR5n HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
_h#SP+> 5f&+(Wqw 【ASPNETMENU】点击菜单项弹出新窗口
8+5-7) we6']iaV 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
b<UZDy N~ <?xml version="1.0" encoding="GB2312"?>
K*Tj; <MenuData ImagesBaseURL="images/">
`&2AN%Xz <MenuGroup>
Y
}*[Krw <MenuItem Label="内参信息" URL="Infomation.aspx" >
I4%&/~! <MenuGroup ID="BBC">
Q<$I,C] <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
S:qML]RO <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
_9!_fIY ......
Xz`?b4i =y"
lX{}G 最好将你的aspnetmenu升级到1.2版
T7eo_Mn B|#*I[4`w@ 21.读取DataGrid控件TextBox值
Hd(|fc{2 foreach(DataGrid dgi in yourDataGrid.Items)
MqXN,n+`k {
SooSOOAx[ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Z/=x(I0 tb.Text....
Pyc/6~? }
I~lX53D ]m0MbA 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?
bg$df 0 `.PZx%= 〖思归〗
;Wjb}_V:_ <asp:TemplateColumn HeaderText="数量">
PfTjC"`, <ItemTemplate>
D0(QZrVa <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
q|)8VmVV onkeyup="javascript:DoCal()"
3RpDIl`0 />
]Y!$HT7\ lxTW1kr <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
D.G+*h@ g </ItemTemplate>
DJSSc </asp:TemplateColumn>
3DRXao { Z<4 <asp:TemplateColumn HeaderText="单价">
F5Tah{ <ItemTemplate>
b?U!<s. <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
xmz83Ll9 onkeyup="javascript:DoCal()"
S[!-M\b />
VIo %(( :5?g<@ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
>U @7xeK A@^e4\ </ItemTemplate>
/I~iUND"G </asp:TemplateColumn>
@A(*&PU>j 56(S[ <asp:TemplateColumn HeaderText="金额">
XBv:$F.>$ <ItemTemplate>
M/
@1;a@\ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
yP\KIm! </ItemTemplate>
+,=DUsI} </asp:TemplateColumn><script language="javascript">
<_&H<]t%rI function DoCal()
Y>z~0$ {
Y4,~s64e var e = event.srcElement;
|}paa var row = e.parentNode.parentNode;
A$G>D3 var txts = row.all.tags("INPUT");
IDbqhZp( if (!txts.length || txts.length < 3)
Y*iYr2?; return;
l v]TE" f,Vj8@p)x var q = txts[txts.length-3].value;
w|?<;+ var p = txts[txts.length-2].value;
1MI/:vy- R.Xh&@f` if (isNaN(q) || isNaN(p))
(Nd5VuI return;
DYlu`j_ux "`Q~rjc$2 q = parseInt(q);
Q:$<`K4) p = parseFloat(p);
qn}w]yGW ,.Ac= "f txts[txts.length-1].value = (q * p).toFixed(2);
=}5;rK }
)F;`07 </script>
Q/ rOIHiI >YuBi:z VYj hU?I I,
9!["^| @O b$w1c 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
_W]qV2j page_load
HgJ:R f] page.smartNavigation=true
+VSJve | \vbU| a 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
g+h)s!$sB private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
#|76dU {
U-(2;F) for(int i=0;i<e.Item.Cells.Count-1;i++)
o*H j E if(e.Item.ItemType==ListItemType.EditType)
VH1PC {
Eh\0gQ= e.Item.Cells.Attributes.Add("Width", "80px")
5I9~OJ> }
_gZ8UZ) }
?2l#=t?PP [xiZkV([ 26.对话框
VA*~RS private static string ScriptBegin = "<script language=\"JavaScript\">";
1ipfv-hb6 private static string ScriptEnd = "</script>";
Hm@+(j(N96 k4iu`m@^H public static void ConfirmMessageBox(string PageTarget,string Content)
WT$m*I {
i8A{DMc,U string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
ZaQgSE>Y :X-Z|Pv8 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Fl\X&6k Z3E957} Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
FHWzwi*u} ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
*x3";%o //Response.Write(strScript);
a=bP }
~`M>&E@Y_/ (h> Jz 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
37'@,*m` 6#P\DT 1.1 取当前年月日时分秒
jH26-b< currentTime=System.DateTime.Now;
$ )ps~ sU"D%G 1.2 取当前年
%''z~LzJ8 int 年= DateTime.Now.Year;
rug^_d =B K8CjZpzq 1.3 取当前月
`WvNN>R int 月= DateTime.Now.Month;
F;p>bw DI O @Zo 1.4 取当前日
)%'Lm int 日= DateTime.Now.Day;
~qe9U 0 ncS.~F 1.5 取当前时
b(wzn`Z%Et int 时= DateTime.Now.Hour;
Z(LDAZG VP^Yph 8R 1.6 取当前分
"4N%I int 分= DateTime.Now.Minute;
.),%S} W!B4~L 1.7 取当前秒
Z}_{@| int 秒= DateTime.Now.Second;
w5uOi}T\ b'Cy!d r 1.8 取当前毫秒
')_Gm{A#p int 毫秒= DateTime.Now.Millisecond;
$#ks`$vM +tFm DDx= 28.自定义分页代码:
!{5jP|vo \5UwZx\ 先定义变量 :
Z'c{4b`N public static int pageCount; //总页面数
%Hdg,NH public static int curPageIndex=1; //当前页面
z[:UPPbW ;n?72&h
下一页:
W70J2 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
g`~c|bx {
lN94 b3_W DataGrid1.CurrentPageIndex += 1;
BEM_y:# curPageIndex+=1;
ct='Z E }
j3 d=O! (5[|h bind(); // DataGrid1数据绑定函数
n\k6UD AD$k`Cj 上一页:
5
OR L if(DataGrid1.CurrentPageIndex >0)
IE*GF27n {
oL0Q%_9hW DataGrid1.CurrentPageIndex += 1;
X;ef&n`U0 curPageIndex-=1;
)yp+!\ }
]|g{{PWH S^|Uzc bind(); // DataGrid1数据绑定函数
Y~]E6'Bz 3f9J!B`n 直接页面跳转:
}Y\Ayl int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
a x1 )2T?Z)"hO if(a<DataGrid1.PageCount)
^luAX
}* {
(9q61zA this.DataGrid1.CurrentPageIndex=a;
"orZje9AC }
q)R&npP7 `[\*1GpAo bind();
NyU~8?bp v{4K$o 29.DataGrid使用:
xXQ#?::m Q:?]:i/* 添加删除确认:
\M^L'Mkj private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{`fhcEC {
i-!Z/,oL foreach(DataGridItem di in this.DataGrid1.Items)
sxM0c {
]F5?>du@~ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
##VS%&{ {
g+8{{o= ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
+P,hT }
#I[tsly} }
>*rsR R }
`9M:B& J1DX}h] 样式交替:
b*=eMcd ListItemType itemType = e.Item.ItemType;
PY7j uS[+ %.,-dV' if (itemType == ListItemType.Item )
J^[>F{8!n {
QUd`({/@: e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
]5IG00` e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
b,kXV<KtU }
Rb=T'x' else if( itemType == ListItemType.AlternatingItem)
VD+TJ` r {
[O*5\&6 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
\(Z'@5vC e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
g/ONr,l`- }
+@D [%l| SPKGbp& 添加一个编号列:
,lSt}Lml DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
4L#q?]$ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
"l~wzPY) e#0C for(int i=0;i<dt.Rows.Count;i++)
v>zeK {
I$sJ8\|gw' dt.Rows["number"]=(i+1).ToString();
!7ct=L }
b['Jr% "O B0I(/ 7 DataGrid1.DataSource=dt;
6wH]W+A DataGrid1.DataBind();
9?<WRM3a> =N,9#o6^ DataGrid1中添加一个CheckBox,页面中添加一个全选框
mKY}+21!Q private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
vfAR^*7e {
Arh0m. w foreach(DataGridItem thisitem in DataGrid1.Items)
],ioY*4G {
@8X)hpHf ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
^t4T8ejn }
TJ9JIxnS }
I3uS?c :-HVK^$% 将当前页面中DataGrid1显示的数据全部删除
i-Ck:-J foreach(DataGridItem thisitem in DataGrid1.Items)
'&@'V5}C{ {
{J3;4p-& if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
GkqKIs {
)s^D}I( string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
EjLj5Z/q Del (strloginid); //删除函数
zs!,PQF( }
.G#wXsJj }
A&_H%]{<: AcV 2l 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)
'Ba Ba= +{Yd\{9 在Application_Start中添加以下代码:
W/COrgbW Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
LwIl2u* AppSettings["ConnStr"].ToString();
?)<DEu:Y ^(7<L<H 31. 变量.ToString()
&rs+x< #7/;d= 字符型转换 转为字符串
71`)@y,Z, 12345.ToString("n"); //生成 12,345.00
mX))*e4k 12345.ToString("C"); //生成 ¥12,345.00
#DjSS.iW 12345.ToString("e"); //生成 1.234500e+004
ximW!y7 12345.ToString("f4"); //生成 12345.0000
b4%sOn, 12345.ToString("x"); //生成 3039 (16进制)
u*:B 9E 12345.ToString("p"); //生成 1,234,500.00%
xgV.<^ Htd-E^/ 32、变量.Substring(参数1,参数2);
KhK:%1po Gkci_A* 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);
sd|5oz) kj_o I5<' 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)
O>UG[ZgW <SCRIPT language="javascript">
&u)
R+7bl, <!--
#&zNYzI function gook(pws)
}gw
\w?/ {
k?-GI[@X frm.submit();
WK;X6` }
$g? ]9}p //-->
. 7WNd/WG W@<(WI3 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
e<wA["^ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
C-Y~T;53 <tr>
@H%)!f]zWt <td>
E`68Z/% <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
eZpyDw C{ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
OxGKtnAjf <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
F)dJws7- 1#LXy%^tO <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
._2#89V <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
1&%6sZN "b)Y 5[nW </td>
G&qO{" Js .f)&;Af^ </tr>
[JI>e;l
C: wyF'B </form>
+u+|9@ l* C> 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
^Pqj*k+F z7B>7}i- 下面是获取用户输入的登陆信息的代码:
'%U'%' ) string name;
WE;QEA / name=Request.QueryString["EmailName"];
MDkcG"O #O3Y#2lI try
9eOP:/'}w {
.W4P/Pw' int a=name.IndexOf("@",0,name.Length);
-|s
w\Q f_user.Value=name.Substring(0,a);
mO];+=3v8 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
39
D!e& f_pass.Value=Request.QueryString["Psw"];
HLMcOuj }
dw'&Av'
|E ~<[$.8* catch
byALM {
H?-Byi Script.Alert("错误的邮箱!");
8:* Server.Transfer("index.aspx");
%eK=5Er jx }