1. 打开新的窗口并传送参数:
@5RbMf{ cy-o@U"s8 传送参数:
{<}9r6k;f response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
#Vy8<Vy&w omP\qOc 接收参数:
@1w[~QlV string a = Request.QueryString("id");
XJZ\ss string b = Request.QueryString("id1");
?td`*n~, @> |3d 2.为按钮添加对话框
&xWej2a! Button1.Attributes.Add("onclick","return confirm(’确认?’)");
c1ga{c`Z button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Cg8s9qE? +,Ud 3iS 3.删除表格选定记录
C^IPddw> int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
W5*Kq^6Pd string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
b)+;=o% ""f'L,`{. 4.删除表格记录警告
P:#KBF;a private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
:{LNr!I?I {
BQ:hUF3 switch(e.Item.ItemType)
!qu/m B {
u<['9U case ListItemType.Item :
""@kBY1C case ListItemType.AlternatingItem :
^?V9 case ListItemType.EditItem:
PyoIhe&ep TableCell myTableCell;
H/2dVUU myTableCell = e.Item.Cells[14];
O0^?VW$y_ LinkButton myDeleteButton ;
;7>k[?'e myDeleteButton = (LinkButton)myTableCell.Controls[0];
NNxzZ!q! myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
<GWzdj? break;
n\i~H default:
v]GQb break;
1 2VSzIm }
EJW}&e/ 4{QD: D(D }
9u;/l#?@T aizJ&7(> 5.点击表格行链接另一页
,W| cyQ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
$L4h'(s {
I~ 1Rt+: //点击表格打开
m9=93W?
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Pihpo e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Xaw ~Hh) }
GU|(m~,` H?_wsh4J 双击表格连接到另一页
oLS/ [gDl<6a#4 在itemDataBind事件中
t-i\gq^ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
gX|We}H {
2EH0d6nt string OrderItemID =e.item.cells[1].Text;
Ya&\ b 6 ...
ffQm"s:P e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
:+_ }
#9glGPR( +-!2nk`"a 双击表格打开新一页
l*w*e.ezQ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
h e[2, {
4;2 string OrderItemID =e.item.cells[1].Text;
!%'"l{R ...
8AJ#].q0F e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
/E-sg,
k }
&0`i(l4]l #O lPnP 2 ★特别注意:【?id=】 处不能为 【?id =】
g/4ipcG;N 6.表格超连接列传递参数
cN:dy# <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
E*x ct-m# <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
J(:y-U 90 >V he 7.表格点击改变颜色
7NRm\%^q if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
g3
opN>W {
xpp>5d
! e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
W1&"dT@ this.style.color=’buttontext’;this.style.cursor=’default’;");
q#O8Fv }
9$L2a v,kvLjqt 写在DataGrid的_ItemDataBound里
h0?w V5H if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
j}O7fLRu {
Gl%N}8Cim e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
twox.@"U this.style.color=’buttontext’;this.style.cursor=’default’;");
d"tR?j e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
l<;~sag }
6 Nws>(Ij Nt|Fw$3*5{ *\Lr]6k 8.关于日期格式
:O7n*lwx '5(T0Ws/w 日期格式设定
h=4 GSU DataFormatString="{0:yyyy-MM-dd}"
\hWac%# W9QVfe#s 我觉得应该在itembound事件中
dJe
3DW : e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
_SnD)k+TgJ 2;K2|G7 9.获取错误信息并到指定页面
&O5O@3:7] `nRF"T_ 不要使用Response.Redirect,而应该使用Server.Transfer
8O_yZ
~Z4 Us.k, e.g
[$c"}=g[+ // in global.asax
&`,Y/Cbw protected void Application_Error(Object sender, EventArgs e) {
@*E=O | if (Server.GetLastError() is HttpUnhandledException)
Sf*gAwnW Server.Transfer("MyErrorPage.aspx");
ME66BWg{ <.2jQ#So //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
lPD&Doa }
y'!"GrbZ uvAJJIae' 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
^zW=s$\Fo =Qf{ 10.清空Cookie
?G<ISiABQC Cookie.Expires=[DateTime];
sDY+J(Z Response.Cookies("UserName").Expires = 0
u@;e`-@ z+{xW7 11.自定义异常处理
y\})C-& //自定义异常处理类
gT(8.<h8 using System;
8Wo!NG:V5 using System.Diagnostics;
1aZGt2; D"2bgw namespace MyAppException
w"37sv {
((&5F!+\- /// <summary>
CDPu(,^ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
+i#s |kKs\ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
G+2 ,x0( /// </summary>
hV+=hX<h public class AppException:System.ApplicationException
M?AKJE j5 {
kS?CKd9by public AppException()
^wD`sj<Qg {
~(#iGc]7 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
7X)4ec9H\ }
*^w}SE( Ss0I{0 public AppException(string message)
8 C9ny} {
_Ie:!q LogEvent(message);
<xe_t=N }
=\k:] [$F*R@,& public AppException(string message,Exception innerException)
w IP4Z^ {
t
.}];IJP LogEvent(message);
~ToU._ if (innerException != null)
gm%cAme {
<k0/O LogEvent(innerException.Message);
p I~;3T:! }
|?]doBm| }
VkO*+"cGv Abi(1nXdQ //日志记录类
7#c4.9b? using System;
N}1yDN using System.Configuration;
.
:>e"D using System.Diagnostics;
#WJ*)$A@& using System.IO;
T|0+o+i using System.Text;
8.>himL using System.Threading;
]G
D`
f AF8:bk,R namespace MyEventLog
eco&!R[G {
CZ'm|^S /// <summary>
I~6 o<HO /// 事件日志记录类,提供事件日志记录支持
$4}G /// <remarks>
CxNxb)c & /// 定义了4个日志记录方法 (error, warning, info, trace)
w0+X;aId /// </remarks>
a4gX@&it_k /// </summary>
AWE ab public class ApplicationLog
i]s%tEZ1 {
Y%?*Lj| /// <summary>
8O$LY\G /// 将错误信息记录到Win2000/NT事件日志中
3m9b /// <param name="message">需要记录的文本信息</param>
(,tu7u{ /// </summary>
m=+x9gL2 public static void WriteError(String message)
nM Z)x- {
qGX#(,E9; WriteLog(TraceLevel.Error, message);
+jK-k_ }
oH!O{pQK} ,QpFVlPU /// <summary>
gWoUE7.3` /// 将警告信息记录到Win2000/NT事件日志中
<5,|h3]-# /// <param name="message">需要记录的文本信息</param>
]31=8+D /// </summary>
Y9>92#aME public static void WriteWarning(String message)
!%D';wQ,/ {
! nvg:$.& WriteLog(TraceLevel.Warning, message);
x}nBUq: }
@g4o8nH} 15q^&l[Q /// <summary>
)TKn5[<4 /// 将提示信息记录到Win2000/NT事件日志中
(Li0*wRb /// <param name="message">需要记录的文本信息</param>
zsd1n`r /// </summary>
Wy*+8~@A public static void WriteInfo(String message)
dgIH`<U$ {
9X%:
){ WriteLog(TraceLevel.Info, message);
&oq0XV.M^ }
><Zu+HX /// <summary>
q5L^>" /// 将跟踪信息记录到Win2000/NT事件日志中
? dHl' /// <param name="message">需要记录的文本信息</param>
wwywiFj /// </summary>
aidQ,(PDj public static void WriteTrace(String message)
P tLWFO {
AFm9"mQrw WriteLog(TraceLevel.Verbose, message);
Kvo&_: }
>Q!}tbg~9 HZZZ [km /// <summary>
P.5l9Ns(O /// 格式化记录到事件日志的文本信息格式
jU7[z$GX /// <param name="ex">需要格式化的异常对象</param>
* Ogf6 /// <param name="catchInfo">异常信息标题字符串.</param>
,a,2I /// <retvalue>
xY#J((-iH /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
(3lA0e`Y /// </retvalue>
HKJBR)T /// </summary>
S2;^ public static String FormatException(Exception ex, String catchInfo)
VgODv
{
'?mF,Co{ StringBuilder strBuilder = new StringBuilder();
V-@4s}zX if (catchInfo != String.Empty)
} `r.fD {
U1X"UN) strBuilder.Append(catchInfo).Append("\r\n");
86N,04 }
-{k8^o7$ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
83SK<V6 return strBuilder.ToString();
IQ~qiFCf }
}8#Ed;%K bT&{8a /// <summary>
VQ|{Q} /// 实际事件日志写入方法
d+,!p8Q /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
;nP(S`' /// <param name="messageText">要记录的文本.</param>
"mQcc}8 /// </summary>
:;yrYAyT3 private static void WriteLog(TraceLevel level, String messageText)
!CcDA/0 {
&
]]l0B try
$/D?Vw:] {
NytTyk) EventLogEntryType LogEntryType;
#`
gu<xlW switch (level)
Xi) ;dcNJ {
N+B!AK0. case TraceLevel.Error:
'JJKnE zQ LogEntryType = EventLogEntryType.Error;
~{tO8
] break;
DE?k|Get2 case TraceLevel.Warning:
Qd
kus214 LogEntryType = EventLogEntryType.Warning;
aG^E^^Y break;
H"8B4~*7H case TraceLevel.Info:
tEvDAI} 5 LogEntryType = EventLogEntryType.Information;
9N'fU),I break;
oJr+RO case TraceLevel.Verbose:
p|2GPrA]aL LogEntryType = EventLogEntryType.SuccessAudit;
xxvt<J break;
k[ z yR default:
o]Ne|PEpO LogEntryType = EventLogEntryType.SuccessAudit;
]!"w?-h Si break;
rFpYlMct }
su%-b\8K Ih|4ISI EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
[)s4:V //写入事件日志
&RARK8^ eventLog.WriteEntry(messageText, LogEntryType);
xS tsw5d 9QXsbd6 }
aH?Ygzw catch {} //忽略任何异常
<_<zrXc] }
KFHZ3HZ:> } //class ApplicationLog
T=tW'tlT\v }
8`urkEI^r 5(J?C-Pk 12.Panel 横向滚动,纵向自动扩展
D^6iQW+.P <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
.,xyE--;d sV,Yz3E<u$ 13.回车转换成Tab
x4c|/}\)*
<script language="javascript" for="document" event="onkeydown">
aYT!xdCI if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
~LpkA`Hn! event.keyCode=9;
/X.zt
` </script>
Lk,q~
4tLdqs onkeydown="if(event.keyCode==13) event.keyCode=9"
PHqg~q;* J.R\h! 14.DataGrid超级连接列
sk3 9[9 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
-#9et30 =YgH-{ 15.DataGrid行随鼠标变色
9h\RXVk{tA private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Jk>vn+q8P^ {
:FI D, if (e.Item.ItemType!=ListItemType.Header)
F><_gIT {
mN]WjfII e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
;UTM9.o[ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Q&r.wV| }
-fFtHw:kHh }
=hvPq@C% 9n\>Yieu 16.模板列
2sIt~ Gn <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
PY7H0\S) <ITEMTEMPLATE>
\f^xlX3&` <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
ca7Y+9<
; </ITEMTEMPLATE>
fub04x) </ASP:TEMPLATECOLUMN>
kh.P)h'9 MZQDFuvDxZ <ASP:TEMPLATECOLUMN headertext="选中">
g&y (- <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
*w4#D:g <ITEMTEMPLATE>
@ !su7 <ASP:CHECKBOX id="chkExport" runat="server" />
k*N!U[] </ITEMTEMPLATE>
!38KHq^|& <EDITITEMTEMPLATE>
vO2WZ7E! <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
bI:W4y>I= </EDITITEMTEMPLATE>
5e,u*J] </ASP:TEMPLATECOLUMN>
p=nbsS~": 5Z_C(5)/Y 后台代码
f4P({V protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
^zV_vB)n {
O$6&4p*F. //改变列的选定,实现全选或全不选。
!hq*WtIk CheckBox chkExport ;
bVU4H$k if( CheckAll.Checked)
q-;Y }q {
]m1p<*0I$ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
&^#iS<s1 {
Fdhgm{Y2s chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
S=)
c7t?a chkExport.Checked = true;
*1["x;A }
a r8iuwfZ }
gyAJ#N| else
q}L`8(a {
5xdeuBEY8 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
?lD)J?j {
;&CLb`<y chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
g?"QahHG chkExport.Checked = false;
7!cLTq }
H;\C7w| }
q,)V0Ffe[| }
K\9CW%W E} XmZxHV 17.数字格式化
k/{WlLN \7b, Mz! 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
gC2}?nq* <%#Container.DataItem("price","{0:¥#,##0.00}")%>
3E;@.jD KHZ[drb6$ int i=123456;
.kU^)H"l string s=i.ToString("###,###.00");
$|g1 _;(G (CIcM3|9C 18.日期格式化
Wr b[\
?- y*^UGJC: 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
_-({MX[3k< kQbZ!yl>[ 显示为: 2004-8-11 19:44:28
}ZVond$y4 Ed u(dZbKg 我只想要:2004-8-11 】
{DP9^hg <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
sPZwA0% nC,QvV 应该如何改?
b]z_2h~` 1Zc=QJw@ 【格式化日期】
03 gbcNo &P9fM-]b
s 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
!gW`xVGv KJQ8Yhq 【日期的验证表达式】
Ll; v[Y 9pnOAM} A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
%Ve@DF8G ^((\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})))?$
nu+K
N,3R" /xJD/"Y3& B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
VB*c1i ^\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]))$
4Pc-A %pq.fZI 【大小写转换】
G?$o+Y'F HttpUtility.HtmlEncode(string);
xP'0a HttpUtility.HtmlDecode(string)
Ty&1R? hT-^1:N 19.如何设定全局变量
_Sd^/jGpU )-!)D Global.asax中
~xxq.rL" <e BmCrJ Application_Start()事件中
%"
bI2 &2u
|7U. 添加Application[属性名] = xxx;
\u`P(fI!K% 69r%b7# 就是你的全局变量
HL"c yxe !Q|a R 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
-&7?!<f dT'}:2 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
*B!Ox}CI.L w>f.@luO4 【ASPNETMENU】点击菜单项弹出新窗口
0=HB!{@ Ywhhs
}f 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
qX\85dPn@} <?xml version="1.0" encoding="GB2312"?>
*Lrrl <MenuData ImagesBaseURL="images/">
4dFr~ { <MenuGroup>
79>x/jZka <MenuItem Label="内参信息" URL="Infomation.aspx" >
Sc{&h8KMTb <MenuGroup ID="BBC">
Vc9Bg2f5 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
":+d7xR?o <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
</_QldL_ ......
,H6P% j%`
C 最好将你的aspnetmenu升级到1.2版
@uyQH c,V o`Z3} 21.读取DataGrid控件TextBox值
aMe&4Q foreach(DataGrid dgi in yourDataGrid.Items)
Vn5%%?]J {
yT OZa-
TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
tZ62T{, a tb.Text....
=I'iD0eR }
I>.pkf<V Td|,3
n 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
BEb?jRMjLg Xxh^4vKjX 〖思归〗
2H$](k?
<asp:TemplateColumn HeaderText="数量">
=Ks&m4 <ItemTemplate>
UNb7WN <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
T U_'1 onkeyup="javascript:DoCal()"
0cB]:*W />
PH%t#a!j3/ b&`~%f- <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
>(H:eRKq </ItemTemplate>
x/{-U05 </asp:TemplateColumn>
m_Hg!Lg :a&M]+! <asp:TemplateColumn HeaderText="单价">
]g$ky.; <ItemTemplate>
46T(1_Xt~ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
y g(Na onkeyup="javascript:DoCal()"
' u<I S/w />
}Jh.+k|_ a K6dy\ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
a7_Q8iMe r>8`gAhx </ItemTemplate>
Y~*p27@fR </asp:TemplateColumn>
oO[eer_S- qmpT G:+ <asp:TemplateColumn HeaderText="金额">
GtmoFSZ <ItemTemplate>
?84f\<" <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
~H \P0G5GA </ItemTemplate>
]vcT2lr] </asp:TemplateColumn><script language="javascript">
PYi<iSr function DoCal()
qdk!.A{ {
$9\8?gS var e = event.srcElement;
Oi|cTZ@A- var row = e.parentNode.parentNode;
E^n!h06~G var txts = row.all.tags("INPUT");
[MAPa if (!txts.length || txts.length < 3)
/z^v%l return;
[r7Hcb bhRa?wuoY var q = txts[txts.length-3].value;
kPy7e~ var p = txts[txts.length-2].value;
AiR#:r zhow\l2t} if (isNaN(q) || isNaN(p))
tpzWi
W/ return;
u=@zYA( x!S}Y" q = parseInt(q);
2IHS)kkT| p = parseFloat(p);
Se[=$W :twp95{R1 txts[txts.length-1].value = (q * p).toFixed(2);
PQ!'< }
2vUcSKG7 </script>
k:/Z6TLk3 .3+8Ip#z 9BOn8p;yz Ro$*bN6p BHz_1+d 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
s!gVY!0 page_load
;X;x.pi page.smartNavigation=true
[Ti' X# }<2|6 { 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
)=glN<*? private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
NV{= tAR {
A Ef@o+A for(int i=0;i<e.Item.Cells.Count-1;i++)
Xq"9TYf$ if(e.Item.ItemType==ListItemType.EditType)
A0.xPru1p {
-H\j-k e.Item.Cells.Attributes.Add("Width", "80px")
U;ujN 8 }
!:vQg+S }
b+AxTe(" gi:M= 26.对话框
5B1,,8P private static string ScriptBegin = "<script language=\"JavaScript\">";
CucW84H`J private static string ScriptEnd = "</script>";
@!x7jPr [=-,i#4 public static void ConfirmMessageBox(string PageTarget,string Content)
A&KY7[<AC{ {
kotKKs string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
<#Fex'4 jtpk5 fJB ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
ept:<!4 {9@E[bWp# Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
.;vd ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
\Ff]}4 //Response.Write(strScript);
]=|iO~WN }
`N7erM &8%^o9sH 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Iw$T'I+4W w3fD6$ 1.1 取当前年月日时分秒
JqN$B\J, currentTime=System.DateTime.Now;
NXOvC!< e \kR/<L 1.2 取当前年
](ztb) int 年= DateTime.Now.Year;
4Im}!q5;:< w3>G3=b 1.3 取当前月
H?ue!5R#L int 月= DateTime.Now.Month;
(a,`Y. 0icB2Jm:D} 1.4 取当前日
JO87rG int 日= DateTime.Now.Day;
s.Mrd~(Drz 03
v\v9<T 1.5 取当前时
"tK3h3/Xv int 时= DateTime.Now.Hour;
La^Zr,T! f|!@H>< 1.6 取当前分
{qry2ZT5 int 分= DateTime.Now.Minute;
LM.#~7jC 5(\[Gke 1.7 取当前秒
lm'.G99{ int 秒= DateTime.Now.Second;
?K.!^G 1Ji"z>H* 1.8 取当前毫秒
at3YL[,[Z int 毫秒= DateTime.Now.Millisecond;
#TP Y%
G0r(xP? 28.自定义分页代码:
,5sv; wDh&S{N 先定义变量 :
w6B`_Z'f public static int pageCount; //总页面数
iVqF]2> public static int curPageIndex=1; //当前页面
a}Jy o!. KA`)dMWL 下一页:
wp/x|AV if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
P}PMRAek {
)fT0FLl|1 DataGrid1.CurrentPageIndex += 1;
"bjbJC&T curPageIndex+=1;
6~k qU4lL }
P_@ty~u
q,'~=Y5 bind(); // DataGrid1数据绑定函数
D t]FmU Hc
q@7g 上一页:
HOPsp if(DataGrid1.CurrentPageIndex >0)
=4x-x nA {
LGCeYXic DataGrid1.CurrentPageIndex += 1;
|@ZyD$? curPageIndex-=1;
jm|zn }
}M\G YGq-AB bind(); // DataGrid1数据绑定函数
/z(s1G. 9+>%U~U< 直接页面跳转:
eR8>5:V_ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
klj.\wg/p{ Au?(_*/0 if(a<DataGrid1.PageCount)
Qnp.Na[JV {
piiO5fK| this.DataGrid1.CurrentPageIndex=a;
_lk5\bu }
|VoYFoiQ =u&NdMy bind();
W!Rr_'yFe) ,H su;I~ 29.DataGrid使用:
~U4;YlQP 0k|/]zfb 添加删除确认:
DZ;2aH private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
(WS<6j[q {
SYK?5_804 foreach(DataGridItem di in this.DataGrid1.Items)
(pQ$<c {
^m^,:]I0P if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
'8Lc}-M4 {
pvd9wKz ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
QjUojHz%Z }
;W#/;C
_h }
'#8;bU }
7)3cq}]O c6pGy%T- 样式交替:
}4I;<%L3` ListItemType itemType = e.Item.ItemType;
7otqGE\2 X1h*.reFAL if (itemType == ListItemType.Item )
v{>9&o.J {
$S!WW|9j. e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
`_+m3vHG e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
/K#J63 , }
:!g zx n else if( itemType == ListItemType.AlternatingItem)
t~]oJ5% {
e%DF9}M e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
~;Xkt G: e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
I*i$!$Bx2 }
"LH* T Fqp~1>wi 添加一个编号列:
\A3yM{G~+ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
8uhB&qxB DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
WN?meZ/N/ i(>v~T,( for(int i=0;i<dt.Rows.Count;i++)
Z$a4@W9o {
z15QFVm dt.Rows["number"]=(i+1).ToString();
=E%<"FB }
1]XIF?_Dm
/-)|dP DataGrid1.DataSource=dt;
lf9_!`DGV DataGrid1.DataBind();
*C?x\.\C V.274e DataGrid1中添加一个CheckBox,页面中添加一个全选框
Pi|oO-M private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
=!Y{Mz {
/%GMbO_ foreach(DataGridItem thisitem in DataGrid1.Items)
TDQh ^Wo {
pV))g
e\ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
6ypqnOTr }
C(*)7|
m }
A,s .<TG @$'1 将当前页面中DataGrid1显示的数据全部删除
}tT*Ch?u foreach(DataGridItem thisitem in DataGrid1.Items)
8M'6Kcr {
{ e% if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
l+V5dZ8W {
"ae55ft// string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
yo0?QRT Del (strloginid); //删除函数
_j2h3lCT }
!P26$US%P }
rJm%qSZz { n%U2LVL 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)
$yb8..+ Q-N.23\1 在Application_Start中添加以下代码:
qz:_T Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
YB} _zuZ4& AppSettings["ConnStr"].ToString();
Pjff%r^ t`mLZ
<X 31. 变量.ToString()
T{lJ[M 1P\_3.V{ 字符型转换 转为字符串
Z;mDMvIu ( 12345.ToString("n"); //生成 12,345.00
ZvO:!u0+" 12345.ToString("C"); //生成 ¥12,345.00
M O/-?@w 12345.ToString("e"); //生成 1.234500e+004
E|.D 12345.ToString("f4"); //生成 12345.0000
|Y1<P^ 12345.ToString("x"); //生成 3039 (16进制)
;3_Q7;y 12345.ToString("p"); //生成 1,234,500.00%
<!|2Ru GS3ydN<v 32、变量.Substring(参数1,参数2);
2WOdTM{u 7iKbd 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
XfT6,h7vFL L3~E*\cV 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
.ODtduURe <SCRIPT language="javascript">
=;$&:Zjy/% <!--
}J$PO*Q@' function gook(pws)
QrPWS-3~! {
q 9pcEm4? frm.submit();
!J'xk }
;SVF"Uo //-->
i9M6%R1m}E Ve8`5
</SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
[P{Xg:0 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
uyG4zV\h* <tr>
$P@P}%2 <td>
t5N4d <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
|R*fw(=W <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
_H8)O2mJ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
+o/;bm*U<K O'-lBf+< <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
1|cmmUM-'v <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
u-k?ef {+t'XkA </td>
~ab"q% oci-[CI, </tr>
Qg
_?..% O!]wJ </form>
n5]<|>Uvx LZ ID|- 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。
>)pwmIn< Gz@%UIv 下面是获取用户输入的登陆信息的代码:
\aUbBa%! string name;
dYV)lMJ* name=Request.QueryString["EmailName"];
+uwjZN'9a $9 DZ5" try
c/2OR#$t {
|#2<4sd int a=name.IndexOf("@",0,name.Length);
km<~Hw>Z f_user.Value=name.Substring(0,a);
WuGm~<NS f_domain.Value=name.Substring(a+1,name.Length-(a+1));
#G{T(0<F f_pass.Value=Request.QueryString["Psw"];
6U+#ADo }
G%kXr$?W ?0;b}Xl-
catch
ohM'Fx"q {
;.:UfW Script.Alert("错误的邮箱!");
l2`8]Qr Server.Transfer("index.aspx");
T)Nis~ }