1. 打开新的窗口并传送参数:
9;7|MPbR JHXtKgFX 传送参数:
Gk']Ma2J} response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
G' '9eV$ B#;6z%WK 接收参数:
q o6~)Aws string a = Request.QueryString("id");
&_$0lIDQ string b = Request.QueryString("id1");
Qv
WvS9] ";U#aK1p 2.为按钮添加对话框
8-"D.b4 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
]~:WGo=_ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
QJy1j~9x 2,6~;R 3.删除表格选定记录
$%6.lQ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
yvWM]A string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
9RPZj>ezjA Q ~f mVWq 4.删除表格记录警告
YSB~04 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
9$#@Oe8* {
P''>wjMH0 switch(e.Item.ItemType)
YTD&swk {
9|WV28PK: case ListItemType.Item :
][dst@?8Oz case ListItemType.AlternatingItem :
6DG%pF, case ListItemType.EditItem:
cTBUj TableCell myTableCell;
tR\cS) myTableCell = e.Item.Cells[14];
f>iDqC4 LinkButton myDeleteButton ;
cE^Ljk myDeleteButton = (LinkButton)myTableCell.Controls[0];
Vq599M:)V myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
l*
z"wA- break;
nR=!S5>S default:
+bGO"* break;
PjP6^" }
jf.WmiDC $|tk?Sps }
P=aYwm C TbD
$lx3> 5.点击表格行链接另一页
. {vMn0c private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
VXnWY8\ {
!CdF,pd/)m //点击表格打开
t2Px?S? if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
TQtHU6 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
wBJ|%mc3TA }
R"yxpw \fsNI T/ 双击表格连接到另一页
rvacCwI {%\@Z-9%q, 在itemDataBind事件中
*nK4XgD if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
lA`qB1x {
d`,z4_ string OrderItemID =e.item.cells[1].Text;
l{gR6U{e ...
Kk,u{EA e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
x];i?
4 }
6:q,JB@i 5@J]#bp0M 双击表格打开新一页
{"2Hv;x if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Mh2Zj {
{oS/Xa string OrderItemID =e.item.cells[1].Text;
r~G amjS ...
h$#PboLd e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
1En:QQ4/ }
}5;/!P_A XmP,3KG2{S ★特别注意:【?id=】 处不能为 【?id =】
h1)ny1; 6.表格超连接列传递参数
0#NbAMt <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
HV'M31m~q <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
g~2=he\C ma xpR>7`j 7.表格点击改变颜色
nIZsKbnw if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
E[i#8_ {
I/%L,XyRI e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
29l bOi this.style.color=’buttontext’;this.style.cursor=’default’;");
RG=i74a }
->*~e~T ]T{v~]7:{ 写在DataGrid的_ItemDataBound里
JAM]neKiX if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
dOK]Su {
)5`~WzA e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
4M!wm]n/%5 this.style.color=’buttontext’;this.style.cursor=’default’;");
uzI-1@` e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Q-B/SX)!/ }
Y_6v@SiO MJ$.ST @}
+k]c25 8.关于日期格式
;<*%BtD? jrxq558 日期格式设定
wA"d?x DataFormatString="{0:yyyy-MM-dd}"
PI@?I&Bo A<^X P-Nrp 我觉得应该在itembound事件中
(! 8y~n1 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
`t\\O AiL80W^=d) 9.获取错误信息并到指定页面
\mTi@T!&
7|yEf 不要使用Response.Redirect,而应该使用Server.Transfer
BnfuI r7#.DJnN. e.g
W56VA>ia // in global.asax
>l #D9% protected void Application_Error(Object sender, EventArgs e) {
,xR u74 if (Server.GetLastError() is HttpUnhandledException)
~Q#!oh'i Server.Transfer("MyErrorPage.aspx");
E,dUO; #?`S+YN!q) //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
_#Lq~02 % }
]t~'wL#Z N]14~r= 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
r,3\32[? XwfR/4 10.清空Cookie
>Q'*~S@v3 Cookie.Expires=[DateTime];
|#{ i7>2U Response.Cookies("UserName").Expires = 0
;>/yY]F7 XZS%az1% 11.自定义异常处理
K2\)9 //自定义异常处理类
^(Z%,j3O using System;
vRn]u57O using System.Diagnostics;
M]M>z>1*v y\4/M6 namespace MyAppException
7SN61)[m {
acar-11_o/ /// <summary>
Sb?Ua*(L: /// 从系统异常类ApplicationException继承的应用程序异常处理类。
K'/if5>Bc /// 自动将异常内容记录到Windows NT/2000的应用程序日志
+J~%z*A /// </summary>
tSnsjd<6. public class AppException:System.ApplicationException
y(/5l {
=c$x xEDD public AppException()
"Bwmq9Jq {
sxS%1hp3 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
a#G3 dY> }
6xAxLZz< jse!EtB: public AppException(string message)
(`_fP.Ogb {
u.G aMl4 ( LogEvent(message);
FhPCFmmUT }
p-lFzNPc0 ]d~{8h!G public AppException(string message,Exception innerException)
'/9q7?[E! {
;;m;f^]} LogEvent(message);
DSWmQQ if (innerException != null)
?Ok&,\F@E {
{-MjsBR LogEvent(innerException.Message);
fFoZ!H }
19-V;F@; }
m>F:dI C@[U:\ //日志记录类
*z#du*f[ using System;
xG(iSuz using System.Configuration;
ycwkF$7 using System.Diagnostics;
\{!,a using System.IO;
KK5_;< using System.Text;
-"{g kjuv using System.Threading;
,%BDBZ ]T&d_~l
namespace MyEventLog
R/Z7}Q W {
-j2y#aP /// <summary>
Ml;` *; /// 事件日志记录类,提供事件日志记录支持
?=^\kXc[ /// <remarks>
q9PjQ% /// 定义了4个日志记录方法 (error, warning, info, trace)
l!KPgRw /// </remarks>
kj.9\ /// </summary>
NZ0 ?0* public class ApplicationLog
_<DOA:'v {
6`G8 UDK>F /// <summary>
XN>bv|*q /// 将错误信息记录到Win2000/NT事件日志中
BjsTHS& /// <param name="message">需要记录的文本信息</param>
%3|/t-US /// </summary>
4eG\>#5 public static void WriteError(String message)
LXsZk|IhM {
AaoS &q WriteLog(TraceLevel.Error, message);
NQ;$V:s) }
)''V}Zn.X ^E Rdf2 /// <summary>
KZ%us 6 /// 将警告信息记录到Win2000/NT事件日志中
(;^>G[ /// <param name="message">需要记录的文本信息</param>
GQJ4d-w /// </summary>
hQ!59 public static void WriteWarning(String message)
j_~mP>el) {
L,
#|W WriteLog(TraceLevel.Warning, message);
'*&dP" }
{o 5^nd I} 5e{jBB /// <summary>
](8F]J , /// 将提示信息记录到Win2000/NT事件日志中
1|!)*!hu /// <param name="message">需要记录的文本信息</param>
%l#X6jkt /// </summary>
T9!NuKfur public static void WriteInfo(String message)
om9'A=ZU {
e=s85! WriteLog(TraceLevel.Info, message);
&zJ\D`\,O }
S-ZN}N{,6 /// <summary>
m[iQ7/ /// 将跟踪信息记录到Win2000/NT事件日志中
md?
cvGDE /// <param name="message">需要记录的文本信息</param>
#qR 6TM&; /// </summary>
5XzsqeG| public static void WriteTrace(String message)
A+frKoi {
'RF`XX WriteLog(TraceLevel.Verbose, message);
@V:Y%#% }
z}.6yHS Rm79mh9 /// <summary>
?*yB&(a:8 /// 格式化记录到事件日志的文本信息格式
aI;$N|]u /// <param name="ex">需要格式化的异常对象</param>
QtXiUx^ k< /// <param name="catchInfo">异常信息标题字符串.</param>
vD:J!|hs( /// <retvalue>
:ir3u /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
YTmHht{j# /// </retvalue>
\%bJXTK&W /// </summary>
(=fLWK{8 public static String FormatException(Exception ex, String catchInfo)
guGX
G+ {
GoAh{=s StringBuilder strBuilder = new StringBuilder();
(xWsyo(4 if (catchInfo != String.Empty)
rIYO(}Fl {
e8wPEDN*4 strBuilder.Append(catchInfo).Append("\r\n");
SdYbT)y }
bu <d>XR strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
oWLP|c~Ap return strBuilder.ToString();
#gT"G18/! }
NWPT89@ l /{jt]8/;7 /// <summary>
yzT1Zg_ER /// 实际事件日志写入方法
2kDv
(". /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
-K(d]-yv /// <param name="messageText">要记录的文本.</param>
Zlh 2qq /// </summary>
D)DD 6 private static void WriteLog(TraceLevel level, String messageText)
S@S4<R1{\ {
ys>n%24qP try
bKK'U4 {
%eW7AO> EventLogEntryType LogEntryType;
jb,a>9]p switch (level)
4b;*:C4? {
]h'
38W case TraceLevel.Error:
.-mIU.Nwi LogEntryType = EventLogEntryType.Error;
3N+B|WrM break;
j[FB*L1!D case TraceLevel.Warning:
b]Kb ~y| LogEntryType = EventLogEntryType.Warning;
9L3P'!Z break;
WLwi case TraceLevel.Info:
eyp_.1C~ LogEntryType = EventLogEntryType.Information;
IDD`N{EA break;
2yZ~j_AF[ case TraceLevel.Verbose:
m ie~.
" LogEntryType = EventLogEntryType.SuccessAudit;
XTk
:lzFH break;
|2n*Ds' default:
im9EV|; LogEntryType = EventLogEntryType.SuccessAudit;
WAR!#E#J7 break;
$'_Q@ZBq }
xgj'um T+zhj++ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
TbT/ 5W3 //写入事件日志
3D!7,@&>3 eventLog.WriteEntry(messageText, LogEntryType);
$ta JVVF 4&%H;Q }
\}u/0UF97 catch {} //忽略任何异常
(Cq 38~mR }
p{W
Amly } //class ApplicationLog
yufw}Lo- }
+J;b3UE# +;,J0,Yn 12.Panel 横向滚动,纵向自动扩展
WQ.{Ag?1 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
t?)]xS)
8IWT;% 13.回车转换成Tab
]3, <script language="javascript" for="document" event="onkeydown">
DO-M0L if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
?E
V^H-rr event.keyCode=9;
@lWNSf </script>
x|Pz24yP9 IemhHf ^l onkeydown="if(event.keyCode==13) event.keyCode=9"
4q7H 4|I;z 14.DataGrid超级连接列
Ja4M@z DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
&v1E)/q{Z }` H{;A
h 15.DataGrid行随鼠标变色
NS`hXf private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Bw!J!cCj {
&Ejhw3Nw if (e.Item.ItemType!=ListItemType.Header)
bpU>(j {
cZF|oZ6< e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
@4Bl&(3S e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Xf#;`*5 }
:E|Jqi \ }
"nfi:A1 ,X:3w3nr^ 16.模板列
xg^%8Ls^ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
SSla^,MHef <ITEMTEMPLATE>
2dKt}o> <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
^z{Xd|{" </ITEMTEMPLATE>
l59
N0G </ASP:TEMPLATECOLUMN>
m-tn|m!J btnD+O66< <ASP:TEMPLATECOLUMN headertext="选中">
\),f?f-m <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
ml^=y~J[ <ITEMTEMPLATE>
iHc(e(CB< <ASP:CHECKBOX id="chkExport" runat="server" />
e&:%Rr]x </ITEMTEMPLATE>
L'`Au/%S} <EDITITEMTEMPLATE>
LJb=9tp~ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
d*04[5` </EDITITEMTEMPLATE>
$|&<cenMT </ASP:TEMPLATECOLUMN>
O/ItN5B
; "s] 后台代码
XRQ1Uh6 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
[_3& {
Zos.WS# //改变列的选定,实现全选或全不选。
0QPY+6 CheckBox chkExport ;
`+vQ5l$;L if( CheckAll.Checked)
DCLu^:|C" {
2vG
X\W%3 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
fibudkg'> {
^q/$a2<4 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
X 5}=|%Y chkExport.Checked = true;
uqI'e_&=&5 }
6bjZW ~ }
<&+jl($" else
+]-'{%-zK {
ik)u/r DW foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
[N~-9 {
YqWNp chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
09P2<oFLn chkExport.Checked = false;
L
aA<` }
Hhk`yX c_ }
s?S e]?i }
F@Wi[K <o3I<ci6 17.数字格式化
eAI|zk6 N TDmOS\, 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
_yH">x< <%#Container.DataItem("price","{0:¥#,##0.00}")%>
3kUb cm T95FoA int i=123456;
_7';1 D string s=i.ToString("###,###.00");
!ii(2U \}k R'l 18.日期格式化
gpzFY"MS= .mqMzV 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
NX(+%EBcA %x@bP6d[ 显示为: 2004-8-11 19:44:28
Eul3 {+] s 72yu} 我只想要:2004-8-11 】
&FOq c <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
/y4A?*w 6 "SQyy 应该如何改?
NJd4( P VyYrL]OrA 【格式化日期】
$6 Hf[(/ e t.RDS2N| 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
c2:, e&8Meiv+d 【日期的验证表达式】
NRP)'E lFcHE c A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
dxZn| Y ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
4Wa$>vz l :u1P B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
"5FP$oR ^\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]))$
S5F5Tr;TN {2 T:4i5 【大小写转换】
F=*t]X[z} HttpUtility.HtmlEncode(string);
#hs&)6Sf HttpUtility.HtmlDecode(string)
Q hRj*, <6hs<qXqi 19.如何设定全局变量
nTs\zikP roG<2i F Global.asax中
5&L*'kV@ 'x?|tKzd Application_Start()事件中
8dt=@pwx& mRyf+O[ 添加Application[属性名] = xxx;
+jq@!P"}d %G6x \[, 就是你的全局变量
l& sEdEA %z[=T@ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
1B&XM^>/ sRcS-Yw[S HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
B>d49(jy yHs9J1Sf 【ASPNETMENU】点击菜单项弹出新窗口
b%@9j; N.E{6_{S 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
n[y^S3}%; <?xml version="1.0" encoding="GB2312"?>
S{]3e-? <MenuData ImagesBaseURL="images/">
=x(k)RTDu <MenuGroup>
^c.pvC"4j <MenuItem Label="内参信息" URL="Infomation.aspx" >
rP"Y.;s <MenuGroup ID="BBC">
y/_= <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
}7{(o- <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
##F$8d)q ......
67}8EV!/k =Y!.0)t;* 最好将你的aspnetmenu升级到1.2版
v1}ijls Td7Q%7p: 21.读取DataGrid控件TextBox值
;"9Ks. foreach(DataGrid dgi in yourDataGrid.Items)
&+oJPpHi\ {
|na9I6 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Sa.nUj{M= tb.Text....
SbMRrWy }
JW2f 6!b nDckT+eJ 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?
l$l6,OzS@ g2LvojR 〖思归〗
wkPomTO <asp:TemplateColumn HeaderText="数量">
+@8, uL <ItemTemplate>
I3x+pa^]2 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
/L!
=## onkeyup="javascript:DoCal()"
"iK'O =M />
0lYP!\J3]% |rhB@k <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
i^ILo,Q </ItemTemplate>
&,l7w K </asp:TemplateColumn>
)M[FPJP} 9T`YHA'g <asp:TemplateColumn HeaderText="单价">
zI(uexxPqd <ItemTemplate>
Ly
v"2P <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
@RoU onkeyup="javascript:DoCal()"
Jzy:^PObT />
$SFreyI;Uf ]eFNR1<OP <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
km
lb,P a #p`l>rx </ItemTemplate>
X
)
=-a </asp:TemplateColumn>
aGE}
EK } KiC,O7&< <asp:TemplateColumn HeaderText="金额">
c1*^
\ <ItemTemplate>
"8(8]GgYx <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
_wW"Tn] </ItemTemplate>
$mf6!p4 </asp:TemplateColumn><script language="javascript">
ci 22fw0 function DoCal()
m<cv3dbZo {
Xfg?\j/ var e = event.srcElement;
^y|`\oyqwN var row = e.parentNode.parentNode;
=ty{ugM< var txts = row.all.tags("INPUT");
V!+< if (!txts.length || txts.length < 3)
fbah~[5} return;
'?{L
gj^R -I#<?=0B var q = txts[txts.length-3].value;
m,w^,) var p = txts[txts.length-2].value;
}>YEtA ^QHgc_oDm if (isNaN(q) || isNaN(p))
pMUUF5 return;
y=SpIbn{ Y~lOkH[z q = parseInt(q);
pg<cvok p = parseFloat(p);
r>"l:GZ .0X 5Vy txts[txts.length-1].value = (q * p).toFixed(2);
~1,$ }
= P$7
" </script>
0\"]XYOH <
r b5' +tYskx/ "oR%0pU* }1sd<<\` 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。
$O\]cQD`u page_load
N#:W#C{16w page.smartNavigation=true
Wp^|= l]IQjjJ` 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 ?
W7 T2j+] private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
`j.-hy>s {
8D^ iQBA for(int i=0;i<e.Item.Cells.Count-1;i++)
|hu9)0P if(e.Item.ItemType==ListItemType.EditType)
F22]4DLHO {
H}1XK|K3#H e.Item.Cells.Attributes.Add("Width", "80px")
UM+g8J{$*; }
>-`-D=!V }
ai4ro"H 2)q$HUIX 26.对话框
+]C|y ,r private static string ScriptBegin = "<script language=\"JavaScript\">";
U\YzE.G1]S private static string ScriptEnd = "</script>";
g9=O<u# #'y^@90R public static void ConfirmMessageBox(string PageTarget,string Content)
D;DI8.4`N {
dFnu&u" string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
_C$SaQty[Q 79'N/:. ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
dW|S\S'& 5 ^tetDz} Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
H|;BT ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
>T29kgF2 //Response.Write(strScript);
Rd1I$| Y }
{8~xFYc: U,~Z 2L 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
sbFA{l3 Reg%ah|$/= 1.1 取当前年月日时分秒
R&L^+? currentTime=System.DateTime.Now;
,L(q/#p +C=^,B!, 1.2 取当前年
1-pxM~Y int 年= DateTime.Now.Year;
c 9zMI k3e?:t 9 1.3 取当前月
rPJbbV",+^ int 月= DateTime.Now.Month;
a
,<u M >s,I^ 1.4 取当前日
/JP%gD"8 int 日= DateTime.Now.Day;
M/8EaQs} 0"c(n0L 1.5 取当前时
W
-5wjc int 时= DateTime.Now.Hour;
R%r<AL5kJk L' x[wM0w; 1.6 取当前分
0tN/P+!| int 分= DateTime.Now.Minute;
p=f8A71 _^] :tL6 1.7 取当前秒
+H3;{ h9, int 秒= DateTime.Now.Second;
!O/(._YB` qMcOSZ%8J 1.8 取当前毫秒
3Et t9fBd int 毫秒= DateTime.Now.Millisecond;
:k oXS e?XQ, 28.自定义分页代码:
Hl*/s Z<[f81hE& 先定义变量 :
$4rMYEn08 public static int pageCount; //总页面数
/m*+N9) public static int curPageIndex=1; //当前页面
Z E},xU% Q-$EBNz 下一页:
f`,isy[ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
xz vbjS W {
vA@\V)s
DataGrid1.CurrentPageIndex += 1;
EY.Z.gMZI( curPageIndex+=1;
@ u2P&|:{ }
|(UkI?V !XrnD# bind(); // DataGrid1数据绑定函数
fGDjX!3-S *Zk$P.] 上一页:
H=>;Mj if(DataGrid1.CurrentPageIndex >0)
Xx=c'j< {
:|E-Dx4F6H DataGrid1.CurrentPageIndex += 1;
P}$DCD<$U curPageIndex-=1;
eTY""EWU }
2z=aP!9] 0HS"Oxx' bind(); // DataGrid1数据绑定函数
>=3ay^(Y2D ^/v!hq_#%& 直接页面跳转:
;,jms~ik int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
$@4(Lq1. uSn<]OrZo` if(a<DataGrid1.PageCount)
<S` N9a {
$_0~Jzt, this.DataGrid1.CurrentPageIndex=a;
]$
iqJL }
gye'_AR?k \y0uGnmCj bind();
c27\S?\
Jd AU/L_hg 29.DataGrid使用:
F\hU
V[ b:>t1S Ul 添加删除确认:
FaE,rzn)iD private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
LuUfdzH {
KZt4 dr foreach(DataGridItem di in this.DataGrid1.Items)
}6^d/nE*T
{
[(4s\c if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
'6W|, {
'"<h;| ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
*[O)VkL\%i }
/?g:`NT }
T@, tlIM }
IA?v[xu b#z{["%Zp 样式交替:
M?zwXmTVW0 ListItemType itemType = e.Item.ItemType;
]W>kbHImz 9 54O=9PQ if (itemType == ListItemType.Item )
)M(-EDL>Qk {
2 K&5Kt/ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
SLMnEtyTS e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Hwm]l`E] }
mtg3}etA else if( itemType == ListItemType.AlternatingItem)
>YW_}kd {
y72=d?]W e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
&^!vi2$5} e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
;p4|M }
982n G-" a jyuk@ 添加一个编号列:
TbPTgE * DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
tHV81F1J DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
5 U{}A\q WTP~MJ#C for(int i=0;i<dt.Rows.Count;i++)
l^*'W(% {
gx)!0n; dt.Rows["number"]=(i+1).ToString();
r @
IyK% }
y7)$~R):- xsIuPL#_ DataGrid1.DataSource=dt;
XAf,k&f3 DataGrid1.DataBind();
uzpW0(_i3a S>s{t=AY~ DataGrid1中添加一个CheckBox,页面中添加一个全选框
%RF9R"t$ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
{[%kn rRJ {
r.T!R6v} foreach(DataGridItem thisitem in DataGrid1.Items)
hs m%o\ {
g1TMyIUt[ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
Tf1G827 }
bx&?EUx+b }
ndU<,{r UX& ?^] 将当前页面中DataGrid1显示的数据全部删除
`96PY!$u foreach(DataGridItem thisitem in DataGrid1.Items)
K_X10/#b& {
Pa-p9]gq if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Lupug"p0
{
3HP o*~"] string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
{x#I&ra Del (strloginid); //删除函数
6+hx64 = }
2,,t+8"` }
hs5aIJ !.nyIA( 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
N-O"y3W} fxKhe[; 在Application_Start中添加以下代码:
mlmp'f Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
(dh{Gk4=+ AppSettings["ConnStr"].ToString();
;m[-yqX i)pAFv<$, 31. 变量.ToString()
H3{FiB] '*6S0zt 字符型转换 转为字符串
<$]=Vaq 12345.ToString("n"); //生成 12,345.00
#M5R>&?Jqz 12345.ToString("C"); //生成 ¥12,345.00
^t{2k[@ 12345.ToString("e"); //生成 1.234500e+004
.0b$mSV[ 12345.ToString("f4"); //生成 12345.0000
dq&N;kk
| 12345.ToString("x"); //生成 3039 (16进制)
d?uN6JH9 12345.ToString("p"); //生成 1,234,500.00%
ogrh" PfRe)JuB 32、变量.Substring(参数1,参数2);
"ApVgNB 8IX,q 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);
xy$agt>j> Ki DL]2 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)
XpLK0YI <SCRIPT language="javascript">
k15B5 <!--
;n)9 function gook(pws)
d/fg {
Av#_cL frm.submit();
u\9t+wi}< }
Vk>m/" //-->
XDWR] E~y@ue: </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
1D6F
WYV8 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
[Pnk@jIk4 <tr>
_4]GP3` <td>
?Thh7#7LM <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
LR5X=&k <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
I|27%i <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
drr n&y iksd^\]f <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
AP8YY8,
<INPUT id="tem" type="hidden" size="1" value="2" name="tem">
(rM-~h6g }?0At<(d </td>
#H;yXsR` y]5c!N %8 </tr>
j6NK7Li 2Bf]#l{z </form>
GjmPpKIu\ !G0OD$ 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。
Sas&P:#r $i^#KZ}-WK 下面是获取用户输入的登陆信息的代码:
2th>+M~A string name;
M:4N'#` name=Request.QueryString["EmailName"];
W.fsW<{4j 1I{^]]qw try
B`Q~p92 {
hd@ >p. int a=name.IndexOf("@",0,name.Length);
91
] "D;NN f_user.Value=name.Substring(0,a);
l20fA-T
_I f_domain.Value=name.Substring(a+1,name.Length-(a+1));
am$-1+iX f_pass.Value=Request.QueryString["Psw"];
^"g # ! }
]W-7 U_ :j}]nS catch
)9.i'{{ 0 {
-jv%BJJlX Script.Alert("错误的邮箱!");
+EtL+Y(U Server.Transfer("index.aspx");
0gs0[@ }