1. 打开新的窗口并传送参数:
mq$mB1$3u M 7j0&>NTG 传送参数:
x;NCW response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
KK-9[S- Dx/!^L02 接收参数:
zR)|%[sWwQ string a = Request.QueryString("id");
=~YmM<L string b = Request.QueryString("id1");
3=9yR** *JXiOs 2.为按钮添加对话框
jyF0asb Button1.Attributes.Add("onclick","return confirm(’确认?’)");
(;=:QjaoZ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
X&._<2 LPbZ. 3.删除表格选定记录
gvYib`# int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
{t: ZMUV string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
C)>
])'S _5Q?]-M 4.删除表格记录警告
>8;Co]::kx private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
2BOe,giy {
T*>n
a8W switch(e.Item.ItemType)
_H|c_ {
!pI)i*V| case ListItemType.Item :
:<d\//5<9 case ListItemType.AlternatingItem :
BsVUEF ,N case ListItemType.EditItem:
"m3:HS TableCell myTableCell;
ShanwaCDqv myTableCell = e.Item.Cells[14];
nf!RB-orF LinkButton myDeleteButton ;
m3]|I(]`Xe myDeleteButton = (LinkButton)myTableCell.Controls[0];
)5P*O5kQ - myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
=%AFn9q break;
.)^@[yrkz default:
0A[p3xE\ break;
5J1A|qII }
b7>^w<ki E)|_7x<u }
E" iH$NN SymSAq0$F 5.点击表格行链接另一页
j(G}4dib private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
yEUF K {
Ak%M,``(L //点击表格打开
D3yG@lIP3 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{O*<1v9< e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
*zX*k7LnV }
D"fE )@Q@Y '>>
IMF 双击表格连接到另一页
~*D)L'`2M W#|]m=2W 在itemDataBind事件中
?}sh@;]*h if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+v%V1lf^~ {
cA ;'~[ string OrderItemID =e.item.cells[1].Text;
ITh1|yP ...
haW8zb0z e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
z<rdxn,9 }
pmXx2T#= HbF.doXK 双击表格打开新一页
MrjET!`.jC if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
H n+1I {
/zn|?Y[ string OrderItemID =e.item.cells[1].Text;
PPT"?lt*& ...
eSXt"t e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
I,Q"<?& }
[@[!esC vBsd.2t~ ★特别注意:【?id=】 处不能为 【?id =】
_GK^ 7}u 6.表格超连接列传递参数
xI'<4lo7Z <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
\/4ipU. <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
&|P@$O> ;nG"y:qq 7.表格点击改变颜色
]@1YgV if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
XhFa9RC {
8%JxXtWW` e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
(5{ |']G this.style.color=’buttontext’;this.style.cursor=’default’;");
o#E 3{zM }
mnL
\c' 1Nx.aji 写在DataGrid的_ItemDataBound里
qEKTSet? if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
HyXw^ +tsj {
"!XeK| Wi e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
0Mt2Rg} this.style.color=’buttontext’;this.style.cursor=’default’;");
B{!)GZ(} e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
NAhV8 }
jD3,z* 'n I2RX !*u5HVn 8.关于日期格式
I})la!9 ?HVsIAU 日期格式设定
z
h0 m3|9O DataFormatString="{0:yyyy-MM-dd}"
?GU/Rf!H# 4NbX!"0 我觉得应该在itembound事件中
t$r^'ZN e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
XETY)<g )H$Ik)/N 9.获取错误信息并到指定页面
n1o/-UY <Hhl=6op 不要使用Response.Redirect,而应该使用Server.Transfer
@``kt*+K+ )gV+BHK e.g
\(.&E`r // in global.asax
uOc>~ITPS protected void Application_Error(Object sender, EventArgs e) {
:w(J=0Lt if (Server.GetLastError() is HttpUnhandledException)
mp0p#8txi Server.Transfer("MyErrorPage.aspx");
Pca~V>Hd sW+YfJT //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
%Rr!I:[ $ }
KgVit+4u/ "e g`3v 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
%@ $h?HP `3kE$h# 10.清空Cookie
Y\BB;"x1 Cookie.Expires=[DateTime];
'T7JXV5 Response.Cookies("UserName").Expires = 0
UT [7 J m\7-/e2a 11.自定义异常处理
#h ;j2 //自定义异常处理类
E!Hq%L!/ using System;
xq=+M!V using System.Diagnostics;
F/ 2@%,2n Km]N scq1 namespace MyAppException
JWy$` "{ {
gB&]kHLO /// <summary>
2 *n2!7jZ* /// 从系统异常类ApplicationException继承的应用程序异常处理类。
- t4"BD /// 自动将异常内容记录到Windows NT/2000的应用程序日志
u1`8f]qt /// </summary>
KpC)A5u6 public class AppException:System.ApplicationException
\^;Gv%E {
,oIZ5u{#, public AppException()
_baqN!N {
'LFHZ&- if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
nSsVONHfa }
s8}:8 M
^ZoBsZ public AppException(string message)
i2.y)K) {
2iI"|k9M LogEvent(message);
,Ng3!2&$e }
K%qunjv {d}-SoxH public AppException(string message,Exception innerException)
D[7K2G+ {
@S?.`o LogEvent(message);
' F`*(\# if (innerException != null)
JwB:NqB {
s6Bt)8A LogEvent(innerException.Message);
Yc=y Vh }
|_F-Abk }
,TOLr%+v~n seHwn'Jn //日志记录类
9Q]v#&1 using System;
GWjKZ1p using System.Configuration;
Jkpw8E7 using System.Diagnostics;
@<CJbFgJp using System.IO;
uA
C:& using System.Text;
h\'GL(?DBI using System.Threading;
Yp 6;Y7^ POH>!lHu namespace MyEventLog
qS&PMQ"$ {
y;0.P?Il" /// <summary>
`m3@mJ!>\ /// 事件日志记录类,提供事件日志记录支持
<Ml,H%F /// <remarks>
_I~TpH^1K /// 定义了4个日志记录方法 (error, warning, info, trace)
;07!^#:L=Q /// </remarks>
;DC0LJ /// </summary>
M42Zpb]. public class ApplicationLog
P:lvZ {
huvg'Yt /// <summary>
1a_;[.s /// 将错误信息记录到Win2000/NT事件日志中
7b+OIZB /// <param name="message">需要记录的文本信息</param>
Z<jRZH*L /// </summary>
{N)\It public static void WriteError(String message)
:1_hQeq {
Cb=r 8C WriteLog(TraceLevel.Error, message);
\^Y#"zXo1 }
Ep 5lmzg l]WV?^* /// <summary>
a47Btd'm /// 将警告信息记录到Win2000/NT事件日志中
(N;Jw^C@ /// <param name="message">需要记录的文本信息</param>
mI9h| n /// </summary>
cD0 public static void WriteWarning(String message)
]|u}P2 {
"oz@w'rG WriteLog(TraceLevel.Warning, message);
Pdf_{8r }
>-X&/i ?jqZeO#W7 /// <summary>
7S]
h:q%% /// 将提示信息记录到Win2000/NT事件日志中
nyQFS /// <param name="message">需要记录的文本信息</param>
W U<#_by
g /// </summary>
H7Y}qP5X public static void WriteInfo(String message)
eVU:.fx {
4c2P%X(
C WriteLog(TraceLevel.Info, message);
&tWWb` }
W3<O+ S& /// <summary>
KNY<"b /// 将跟踪信息记录到Win2000/NT事件日志中
iM8hGQ` /// <param name="message">需要记录的文本信息</param>
zNE!m:s /// </summary>
/4_}wi\ public static void WriteTrace(String message)
q{U -kuui {
te6[^_k WriteLog(TraceLevel.Verbose, message);
~;+i[Z&e }
*}/xy
SH3 &51/Pm2O /// <summary>
I,YGm
/// 格式化记录到事件日志的文本信息格式
"b1_vA]03 /// <param name="ex">需要格式化的异常对象</param>
IE_@:]K}Ja /// <param name="catchInfo">异常信息标题字符串.</param>
4T^M@+&| /// <retvalue>
jQb=N%5s /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
GK&yP%Z3 /// </retvalue>
cYbO)?mC_ /// </summary>
+D
h=D* public static String FormatException(Exception ex, String catchInfo)
2CmeO&(Qf* {
%i.|bIhmm StringBuilder strBuilder = new StringBuilder();
WZm^:, if (catchInfo != String.Empty)
5@0c@Q {
uFok'3!g7% strBuilder.Append(catchInfo).Append("\r\n");
HhqqJEp0 }
U">OdoZ,E+ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
dtF6IdAf return strBuilder.ToString();
+ixDB0"\ }
dH`a|SVW9 c'G\AbUVjE /// <summary>
+vU.#C_2 /// 实际事件日志写入方法
3M@>kIT8 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
+uT=Wb \ /// <param name="messageText">要记录的文本.</param>
aLsGden| /// </summary>
Ix(4<s private static void WriteLog(TraceLevel level, String messageText)
^k_!+8"q{ {
k&~vVx try
s &.Z;X {
4k#B5^iJ EventLogEntryType LogEntryType;
%1=W#jz switch (level)
2X*epU_1h {
yBl<E$= case TraceLevel.Error:
8vT:icl LogEntryType = EventLogEntryType.Error;
I7uYsjh@u break;
}s)Z:6;(,q case TraceLevel.Warning:
}K*ri LogEntryType = EventLogEntryType.Warning;
>#q|Pjv] break;
~(Tz < case TraceLevel.Info:
M}nalr+# LogEntryType = EventLogEntryType.Information;
Fe= 4^. break;
BMdr.0 case TraceLevel.Verbose:
AoR`/tr, LogEntryType = EventLogEntryType.SuccessAudit;
&a|oJ'clz break;
>|iy= Zn%' default:
^-ACtA) LogEntryType = EventLogEntryType.SuccessAudit;
@?1%*/ break;
mD=?C }
t&&OhHK ^M80 F 7 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
t%TZu>(1O //写入事件日志
p0tv@8C> eventLog.WriteEntry(messageText, LogEntryType);
)`Fr*H3{ t{7l.>kf }
JNu - z:J catch {} //忽略任何异常
S1B/ClKWq }
m_Rgv.gE^ } //class ApplicationLog
R80R{Ze }
TtvS|09p; E$1^}RGT) 12.Panel 横向滚动,纵向自动扩展
9:Y:Vx <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
jqLyX RhJ<<T.2 13.回车转换成Tab
D3K`b4YV <script language="javascript" for="document" event="onkeydown">
pP
r<8tm[ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
{10ms_s event.keyCode=9;
tS9m8(Hr%Q </script>
1y@- 7d<v\=J} onkeydown="if(event.keyCode==13) event.keyCode=9"
z=fag'fzM -?]ltn9! 14.DataGrid超级连接列
lvN{R{7> DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
oby*.61?5l ;+jp,( 7 15.DataGrid行随鼠标变色
{jVFlKP> private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
\8$`:3,@ {
C=]3NB>Jc if (e.Item.ItemType!=ListItemType.Header)
=;`YtOL {
w %zw+E e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
F9<OKcXH e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Ya_6Zd4O }
roA1=G\Q }
.( J/*H 4tC_W!?$t 16.模板列
g}D$`Nx: <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
K@i*Nl <ITEMTEMPLATE>
BmM,vllO <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
7^iAc6QSy3 </ITEMTEMPLATE>
*Q>:|F[vM </ASP:TEMPLATECOLUMN>
q)~qd$yMS 6+FON$8 <ASP:TEMPLATECOLUMN headertext="选中">
b1#=q0Zl <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
9?:S:Sq <ITEMTEMPLATE>
J#kdyBmuO <ASP:CHECKBOX id="chkExport" runat="server" />
\fhT#/0N
</ITEMTEMPLATE>
toWmm(7v <EDITITEMTEMPLATE>
ep?0@5D}] <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
xHGoCFB </EDITITEMTEMPLATE>
3dbf! </ASP:TEMPLATECOLUMN>
[v`4OQF/ gfYB|VyWo 后台代码
;1dz?'%V protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
/'1y`j< {
v<SEGv- //改变列的选定,实现全选或全不选。
/Ow?nWSt CheckBox chkExport ;
k$c
j|-< if( CheckAll.Checked)
gctaarB& {
Cm4*sN.&) foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
A1q^E(}O {
P&GZe/6Y chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
p4t)Z#0 chkExport.Checked = true;
M BT-L }
^55?VQB }
|FFC8R%@]u else
6ZR0_v;TD {
*I67SBt foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Ig<p(G.;} {
E8i:ER $$7 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
p[)<d_ chkExport.Checked = false;
eqR#` }
uI2'jEjO }
f*],j }
7j:{rCp3J gp HwiFc 17.数字格式化
9qDGxW
'1 Dkb&/k:) 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
bw\=F_>L <%#Container.DataItem("price","{0:¥#,##0.00}")%>
(Pd>*G\ zl\#n:| int i=123456;
d]3sC string s=i.ToString("###,###.00");
sJoi fl
7 !d\GD8|4 18.日期格式化
#+
'@/5{ n m3!M L>nLt 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
~N9-an { 9 ".o, 显示为: 2004-8-11 19:44:28
F29AjW86 1%"`
=$q% 我只想要:2004-8-11 】
_zh5KP[{ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
ku?_/-ko] ]e.+u 应该如何改?
md"%S-a_dT )^H9C"7T 【格式化日期】
S=p u n*~ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
qJU)d h<;[P?z 【日期的验证表达式】
Ra5'x)m36) <y!r~? A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
AnY)T8w ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
q}$=bR1+ h)8+4?-4I B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
"5:f{GfO#v ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
NCnId}BT 5iddB $ 【大小写转换】
_|3TC1N$n HttpUtility.HtmlEncode(string);
4D$sFR|?t HttpUtility.HtmlDecode(string)
%J7mZB9 vQmackY 19.如何设定全局变量
rJZs
5g` >x
ghq Global.asax中
9}cuAVI 7&V^BW Application_Start()事件中
6bKO;^0 gvqd1?0w 添加Application[属性名] = xxx;
BddECY,z NK9WrUj) 就是你的全局变量
' P`p.5nH #A9_A%_.h 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
\h7J/es^p! uuYH6bw*d HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
qzt2j\v cJ##K/es 【ASPNETMENU】点击菜单项弹出新窗口
B9IXa; QeeC2 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
9LO.8Jy <?xml version="1.0" encoding="GB2312"?>
]9&q'7*L <MenuData ImagesBaseURL="images/">
OZ!$%.?l <MenuGroup>
L\Fu']l <MenuItem Label="内参信息" URL="Infomation.aspx" >
>9<8G]vcH <MenuGroup ID="BBC">
O%K?l}e <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
@=NVOJy}c <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
e*2&s5 #RT ......
(Ef2
w[' B_"OA3d_ 最好将你的aspnetmenu升级到1.2版
qIGu#zX W jUJTcL 21.读取DataGrid控件TextBox值
U++~3e@l foreach(DataGrid dgi in yourDataGrid.Items)
r` `iC5Ii {
AqbT{,3yW TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
c >
mu)('U tb.Text....
R_>TEYZ }
hG~]~ ) cxD}t'T 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
Stw+Dm\! ok3 〖思归〗
a|P~LMPM <asp:TemplateColumn HeaderText="数量">
YKe0:cWc <ItemTemplate>
85|95P.< <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
+# RlX3P onkeyup="javascript:DoCal()"
cl8_rt />
3W-NS~y P10p<@? <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
E]H </ItemTemplate>
tC?Aso </asp:TemplateColumn>
1( ?CNW[ zh^jWu <asp:TemplateColumn HeaderText="单价">
lv00sa2z <ItemTemplate>
)-.Cne;n <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
"6E1W,|{ onkeyup="javascript:DoCal()"
LZQFj/,Jg />
+f\pk \Ith RUS7Z~5 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
A&|Wvb= K/wiL69 </ItemTemplate>
X40la_[. </asp:TemplateColumn>
hINnb7o @cu}3> <asp:TemplateColumn HeaderText="金额">
]@/^_f>D <ItemTemplate>
;WvYzd9 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
MJ>Qq[0 </ItemTemplate>
uXQ7eXX </asp:TemplateColumn><script language="javascript">
I|F~HUzA" function DoCal()
Jcalf{W6 {
/OhaERv var e = event.srcElement;
]Z.<c$ var row = e.parentNode.parentNode;
m]0^ var txts = row.all.tags("INPUT");
!bZhj3. if (!txts.length || txts.length < 3)
piYws<Q return;
vLnq%@x Q(=Vk~v var q = txts[txts.length-3].value;
8K@"B var p = txts[txts.length-2].value;
B:3+',i1 l&6U|q` if (isNaN(q) || isNaN(p))
vbRrk($` return;
(>rS
_#^ wRXn9 q = parseInt(q);
t<!+b@l5 p = parseFloat(p);
YQ 8j P\22op_te- txts[txts.length-1].value = (q * p).toFixed(2);
h/ LR+XX! }
4f4 i1i: </script>
r^w\9a_ -5V)q.Og NJ|NJp&0 H
_Zo@y~J 'a;ini 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
di3 B=A>3 page_load
;[TljcbS page.smartNavigation=true
ASzzBR;?_ ^8?j~&u$F 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 ?
="3a%\ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
(orrX Ez {
|5oKq'(b for(int i=0;i<e.Item.Cells.Count-1;i++)
{yvb$ND|j{ if(e.Item.ItemType==ListItemType.EditType)
Y!++CMzU {
Y<p zy8z e.Item.Cells.Attributes.Add("Width", "80px")
pu/m8
}
F=oHl@ }
[2GXAvXsT T!u'V'Ei2 26.对话框
zW"~YaO%C private static string ScriptBegin = "<script language=\"JavaScript\">";
@9OeC
O private static string ScriptEnd = "</script>";
G 2% [;(]Jy public static void ConfirmMessageBox(string PageTarget,string Content)
tA`mD >[ {
*.kj]BoO string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
>DDQ'W ! !lR0w| ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
KWFyw>*) ftYR,!& Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
eaV3)uP ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
cT/3yf //Response.Write(strScript);
gB(9vhj$ }
Ey r5jXt%; -Bo86t)F 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
*'Z-OY<V wrH7 pd 1.1 取当前年月日时分秒
lZ}izl currentTime=System.DateTime.Now;
LQh^;
]^( wqJ*% 1.2 取当前年
reJ"r<2
int 年= DateTime.Now.Year;
g~~m'^ N=>- Q) 1.3 取当前月
Dz[566UD int 月= DateTime.Now.Month;
yB-.sGu
n=f`AmF; 1.4 取当前日
iKg75%;t int 日= DateTime.Now.Day;
"#*Nnt X3P&"}a 1.5 取当前时
Px'R`1^ int 时= DateTime.Now.Hour;
!+m@AQ:, ~k9O5S{ 1.6 取当前分
V-[2jC{ int 分= DateTime.Now.Minute;
C=>B_EO q&u$0XmV 1.7 取当前秒
8ou e-:/a int 秒= DateTime.Now.Second;
^fkCyE;= M6# \na 1.8 取当前毫秒
'b8R#R\P int 毫秒= DateTime.Now.Millisecond;
KuA>"X 6dF$?I& 28.自定义分页代码:
Oc7 >S.1 3"5.eZSOW 先定义变量 :
a*V9_Px$& public static int pageCount; //总页面数
D^|jZOJ public static int curPageIndex=1; //当前页面
p?Z(rCp 3f_i1|>)' 下一页:
/
>%L[RJ4 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
O4T'o. {
smV!y8& DataGrid1.CurrentPageIndex += 1;
dY1J<L}") curPageIndex+=1;
aIQOs }
[u[ U_g* (G#}* bind(); // DataGrid1数据绑定函数
/4yOs@# 0[.3Es:_ 上一页:
8GY.){d!l if(DataGrid1.CurrentPageIndex >0)
e{5,'(1] {
xFOBF") DataGrid1.CurrentPageIndex += 1;
A
6 :Q< curPageIndex-=1;
QO@6VY@ }
Lj4&_b9 u2 7S%2P bind(); // DataGrid1数据绑定函数
5Yl6? QW2?n`Fa9- 直接页面跳转:
T0r<O_ubOA int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
; VBpp< m`'=)x| if(a<DataGrid1.PageCount)
|B
eA== {
(s088O this.DataGrid1.CurrentPageIndex=a;
[G\o+D?2 }
PQ,+hq 2sUbiDe- bind();
L.kD,'G}> yOc|*O=]U 29.DataGrid使用:
Fqo&3+J4 J2'K?|,m 添加删除确认:
QskUdzQ= private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
i (0hvV>' {
BH5w@ foreach(DataGridItem di in this.DataGrid1.Items)
prUHjS {
85}
ii{S if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
Bq *[c=(2 {
Q? qjWZY ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
xo(k?+P>. }
IQIbz{bMx }
$Buf#8)F* }
%bXsGPB ;|6FdU 样式交替:
9Fk4|+OJ ListItemType itemType = e.Item.ItemType;
%lV@:"G [7RheXO< if (itemType == ListItemType.Item )
gGmxx,i {
~Zmi(Ra e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
)=Zsv40O e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
o_O+u%y }
EX4
C.C|d else if( itemType == ListItemType.AlternatingItem)
l&3ki! {
PRwu e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Q3,=~}ZNK e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
8[M*
x3 }
`dO}L ".E5t@ }?m 添加一个编号列:
Jh?z=JY DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
n26>>N DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
;b1wk^,Hw~ gH'_ymT=
3 for(int i=0;i<dt.Rows.Count;i++)
{ V0>iN:~S {
7
5|pp dt.Rows["number"]=(i+1).ToString();
*0~M }
x{Sd
P$ }%x}fu# DataGrid1.DataSource=dt;
gD6tHg>_ DataGrid1.DataBind();
H<Hrwy~ Pcdf$a"` DataGrid1中添加一个CheckBox,页面中添加一个全选框
LEK/mCL private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
0I
@$ 0Gg {
]26mB foreach(DataGridItem thisitem in DataGrid1.Items)
(f~gEKcB2u {
61Bhm:O5W ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
[sj VRW- }
G'9{a' }
s^cc@C KmL$M 将当前页面中DataGrid1显示的数据全部删除
IA2GUnUhu foreach(DataGridItem thisitem in DataGrid1.Items)
b=1%pX_ {
z,x"a if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
+]c}rWm {
bDWeU} string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
(Y2mmd Del (strloginid); //删除函数
z]$>+MH_ }
?'wsIH]m }
vbp-`M( sa9fK Z'q 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)
~{M@?8wi j#VIHCzlr 在Application_Start中添加以下代码:
wbi3lH:; Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
U^rm:*f AppSettings["ConnStr"].ToString();
*,lh:
ax_YKJ5#P 31. 变量.ToString()
^=0$ 9cfR)*Q 字符型转换 转为字符串
[@3SfQ 12345.ToString("n"); //生成 12,345.00
"OL~ul5 12345.ToString("C"); //生成 ¥12,345.00
X>t3|h 12345.ToString("e"); //生成 1.234500e+004
9P.(^SD][z 12345.ToString("f4"); //生成 12345.0000
Z>2]Xx%
\ 12345.ToString("x"); //生成 3039 (16进制)
HabzCH 12345.ToString("p"); //生成 1,234,500.00%
@Tr&`Hi M3(k'q7&: 32、变量.Substring(参数1,参数2);
T4r5s NR4Jn?l{ 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);
~+HoSXu@E #) ]c0]p 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)
Uo6(|mm <SCRIPT language="javascript">
DMd ,8W7a <!--
*Hs*,}MS function gook(pws)
eg3L:rk_ {
2+'|kt2 frm.submit();
,J(lJ,c }
S0LszW)e //-->
hD
q2-X} -eml </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
g19S <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
#3 bv3m <tr>
ArzDI{1 <td>
@B`Md3$7 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
P^[/Qi}j <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
AmcC:5 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
Q\9K2=4 c!Dc8=nE0m <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
xU}M;4kH~ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
73
V"s f^9&WT </td>
PZ,z15PG] >uy%-aXiVa </tr>
P`TIaP9%E +xj "hX>3 </form>
IgM
v =^U yC
!/PQ" 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
-$YJfQE6G XmWlv{T+ 下面是获取用户输入的登陆信息的代码:
S|K}k:v8 string name;
l67KJ name=Request.QueryString["EmailName"];
i- lKdpv KDey(DN: try
"8(U\KaX {
eH
<Jng int a=name.IndexOf("@",0,name.Length);
5v9Vk`3' f_user.Value=name.Substring(0,a);
4:1)~z f_domain.Value=name.Substring(a+1,name.Length-(a+1));
Mo^`\/x! f_pass.Value=Request.QueryString["Psw"];
jN/ j\x' }
kNPDm6m Z]vL%Gg*! catch
/P+q}L% {
qn"K9k Script.Alert("错误的邮箱!");
M{Gxjmdx Server.Transfer("index.aspx");
sLns3&n2 }