1. 打开新的窗口并传送参数:
w>qCg XU3
YX*0?S 传送参数:
/BpxKh2p response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
1TjZ#yP%1 <*u C 接收参数:
bD<qNqX$ string a = Request.QueryString("id");
Zhzy.u/> string b = Request.QueryString("id1");
,- '4L9 U<47WfcW 2.为按钮添加对话框
Pr+~Kif Button1.Attributes.Add("onclick","return confirm(’确认?’)");
C c*({ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
HR60 `5'2Hg+ 3.删除表格选定记录
M$A#I51 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
&aPl`"j string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
%jEY3q <tbZj=*O/o 4.删除表格记录警告
/APcL5:= private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
We}lx{E {
knT.l" switch(e.Item.ItemType)
m&IsDAn {
%M&3VQ9w case ListItemType.Item :
aqMc6N`z case ListItemType.AlternatingItem :
t)N;'v & case ListItemType.EditItem:
j$x)pB3] TableCell myTableCell;
u,7zFg)H myTableCell = e.Item.Cells[14];
o2=A0ogz? LinkButton myDeleteButton ;
\DA$6w\\ myDeleteButton = (LinkButton)myTableCell.Controls[0];
\Hwg) Uc{ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
F98i*K`" break;
1pP1d% default:
>qR~'$,$ break;
9s` /~ a@ }
j'GtgT j7
d:v7+_ }
J!h^egP '<@=vGsye 5.点击表格行链接另一页
dTGA5c private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
7zDiHac {
= .oHnMX2M //点击表格打开
*Oo &}oAj if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Dag`>|my e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
6T+ }
GK{{ 7B RY=1H 双击表格连接到另一页
b2kWjg.4 0oU=RbC 在itemDataBind事件中
Lw*]EG|? if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
)%Ru#}1X6 {
6^#uLp> string OrderItemID =e.item.cells[1].Text;
s_eOcm ...
/\=MBUN e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
|}[nH> }
|dmh XM~~y~j 双击表格打开新一页
7@~tVxB; if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
R1ktj {
fSA)G$b] string OrderItemID =e.item.cells[1].Text;
nl1-kB)$e| ...
61_f3S(u e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Vq ^]s$' }
~`eHHgX }/e`v6 ★特别注意:【?id=】 处不能为 【?id =】
N4UM82N 6.表格超连接列传递参数
9z ?7{2C <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
K:5eek <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
u&]vd / N[U9d}Zv 7.表格点击改变颜色
x&=9P e( if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
8#LJ* o {
SH8/0g? e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
^Jx$t/t this.style.color=’buttontext’;this.style.cursor=’default’;");
hI|)u4q }
$'"8QOnJ?k ~]uZy=P? 5 写在DataGrid的_ItemDataBound里
"5!BU& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
.g% Y@r)=5 {
vtxvS3
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
|L:Cn J this.style.color=’buttontext’;this.style.cursor=’default’;");
zAScRg$:? e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
>V;,#5F_ }
qv+R:YYOq {CUk1+ l1+[ 8.关于日期格式
4]&<?"LSK P7GRSjG 日期格式设定
-_8*41 DataFormatString="{0:yyyy-MM-dd}"
c3xl9S,5 H+ZSPHs 我觉得应该在itembound事件中
=_pwA:z"A e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
r;qzo. p!W[X%`) 9.获取错误信息并到指定页面
3qMNl>> 4]XI"-M^D 不要使用Response.Redirect,而应该使用Server.Transfer
"x*-PFT ,&]MOe4@> e.g
'2^
Yw // in global.asax
3071:W protected void Application_Error(Object sender, EventArgs e) {
#DI$Oc if (Server.GetLastError() is HttpUnhandledException)
/-Qv?" Server.Transfer("MyErrorPage.aspx");
p25Fn`}H +,flE=5]s //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
>3D7tK( }
fCX*R" ;")A{tX2 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
J7&DR^.Sw Fhj8lVvk 10.清空Cookie
yA7)Y})> Cookie.Expires=[DateTime];
5lmO:G1 Response.Cookies("UserName").Expires = 0
H\G{3.T.9 jqcz\n d 11.自定义异常处理
/"#4T^7& //自定义异常处理类
(ku5WWJ using System;
;vp\YIeX1 using System.Diagnostics;
\t.}-u<7{ TEVI'%F namespace MyAppException
XutF"9u {
w|Aqqe /// <summary>
m],Ud\ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
.BZVX=x /// 自动将异常内容记录到Windows NT/2000的应用程序日志
3h=8"lRc /// </summary>
"pvZ,l>8f public class AppException:System.ApplicationException
mLwY]2T" {
WeT* C public AppException()
M}F~_S0h {
f_6`tq m% if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Nhf~PO({& }
dcq#TBo8 Q~,YbZ-7 public AppException(string message)
hR)2xz {
-- k:a$Nt LogEvent(message);
`T WN^0!] }
Dy9\O77> <8o(CA\ public AppException(string message,Exception innerException)
$\\lx_) {
j,
u#K)7{T LogEvent(message);
)pgrl if (innerException != null)
45+{nN[ {
@h?crJ6$ LogEvent(innerException.Message);
zCe/Kukvy
}
OkH\^ }
TT}]wZ p2pAvlNoF //日志记录类
JWHSnu! using System;
\2!!L=&4G using System.Configuration;
;#anZC; using System.Diagnostics;
:BZ0 7`9 using System.IO;
)iLM]m using System.Text;
s:|M]. using System.Threading;
y!Cc?$]_Y ^^?q$1k6r* namespace MyEventLog
_
Jc2&(; {
<n0{7#PDqw /// <summary>
hU {-a` /// 事件日志记录类,提供事件日志记录支持
yfe'>]7 /// <remarks>
\C|cp|A*& /// 定义了4个日志记录方法 (error, warning, info, trace)
lpC
@I^: /// </remarks>
+1`t}hO /// </summary>
9`Q@'(m public class ApplicationLog
Wk7WK` >i {
#G;X' BN /// <summary>
t9
F=^)s /// 将错误信息记录到Win2000/NT事件日志中
BGWAh2w6 /// <param name="message">需要记录的文本信息</param>
z;3NiY /// </summary>
]|Z b\{
public static void WriteError(String message)
9O98Q6-s {
<@#PF$! WriteLog(TraceLevel.Error, message);
2C
"=!' }
M<`|CVl d ,F5:w& /// <summary>
#@//7Bf% /// 将警告信息记录到Win2000/NT事件日志中
~L?nq@DL /// <param name="message">需要记录的文本信息</param>
n^9 ?~ /// </summary>
a W;aA'! public static void WriteWarning(String message)
!{%G0(Dv {
665[ WriteLog(TraceLevel.Warning, message);
Q< *8<Oo4g }
?p^2Z6J'$ 8tc*.H{^+ /// <summary>
%'ZN`XftG /// 将提示信息记录到Win2000/NT事件日志中
< o I8-f /// <param name="message">需要记录的文本信息</param>
AXW!]=?X /// </summary>
:)c80`-E public static void WriteInfo(String message)
]7/gJ>g, {
P]6}\
]~ WriteLog(TraceLevel.Info, message);
o$J6 ~dn }
RUXCq`)"< /// <summary>
+x1/-J8_sg /// 将跟踪信息记录到Win2000/NT事件日志中
0|Ucd /// <param name="message">需要记录的文本信息</param>
$99R| ^ /// </summary>
?d-70pm public static void WriteTrace(String message)
w]!0< {
R}{GwbF_\ WriteLog(TraceLevel.Verbose, message);
0i@:KYP }
><Z'D %xlpB75N4N /// <summary>
1y[B[\ /// 格式化记录到事件日志的文本信息格式
HOPqxI(k /// <param name="ex">需要格式化的异常对象</param>
fE25(wCz7 /// <param name="catchInfo">异常信息标题字符串.</param>
CZ=0mWfF /// <retvalue>
Z9
w:&oa@ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Pl /// </retvalue>
b1^cD6sT+ /// </summary>
RU_L<Lpi public static String FormatException(Exception ex, String catchInfo)
ME+em1ZH {
S+I^!gT StringBuilder strBuilder = new StringBuilder();
S@}4-\ if (catchInfo != String.Empty)
*4yN3y {
l5J.A@0 strBuilder.Append(catchInfo).Append("\r\n");
Q,e*#oK3$ }
i0Pn Z
J strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
|B[eJq return strBuilder.ToString();
($d4:Ww }
Ps>&"k$T kC$I2[ t! /// <summary>
g(m_yXIx /// 实际事件日志写入方法
:5#
V^\3* /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
>BoSw&T$Q /// <param name="messageText">要记录的文本.</param>
ecFi(eMD /// </summary>
~@9zil41 private static void WriteLog(TraceLevel level, String messageText)
H5M#q6`H6 {
3H8Al try
#A<"4#} {
/lH'hcXcX EventLogEntryType LogEntryType;
_z"o1`{w switch (level)
<GZhH: {
b! tludb case TraceLevel.Error:
d"&3Q_2CD LogEntryType = EventLogEntryType.Error;
uMiyq< break;
EXbTCT}`x case TraceLevel.Warning:
o)I/P< LogEntryType = EventLogEntryType.Warning;
nNR:cGfG break;
_s>^?x} case TraceLevel.Info:
>t#\&|9I LogEntryType = EventLogEntryType.Information;
p;->hn~D'5 break;
5gK~('9'?1 case TraceLevel.Verbose:
>oY^Gx LogEntryType = EventLogEntryType.SuccessAudit;
-c={+z " break;
pVG>A&4 default:
'JZ_ LogEntryType = EventLogEntryType.SuccessAudit;
c@OP5L>{ break;
8/q*o>[? }
O@,i1ha% !S,pRS+ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Z_itu73I //写入事件日志
fVUKvZ}P* eventLog.WriteEntry(messageText, LogEntryType);
L@A9{,9Pl hqW$kw }
j|4tiv> catch {} //忽略任何异常
|- OHve4A }
x#
8IZ } //class ApplicationLog
h48 bb.p2 }
8 +(c 1 !-(J-45 12.Panel 横向滚动,纵向自动扩展
k3yxx]Rk/ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
4ftj>O Q8Te'1Ln! 13.回车转换成Tab
l1RlYl5 <script language="javascript" for="document" event="onkeydown">
i+ic23$4M if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
r@|ZlM@O event.keyCode=9;
l<N?' & </script>
`A{'s %$?! m+T2vi onkeydown="if(event.keyCode==13) event.keyCode=9"
4 cx:jUsb6 14.DataGrid超级连接列
rWe
8D/oc DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
9::YR;NY VjTAN= 15.DataGrid行随鼠标变色
Cyf]`* private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#pa\2d| {
8S= c^_PJ if (e.Item.ItemType!=ListItemType.Header)
t>oM%/H {
0UjyMEiK e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Q)dT(Td9~ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
$4h04_" }
~UW{)]_jox }
Q9q9<J7j$ M6x;BjrV 16.模板列
Y[,U_GX/R <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
>fwlg- <ITEMTEMPLATE>
Eq7gcDQ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
G>j"cj </ITEMTEMPLATE>
+V89J!7 </ASP:TEMPLATECOLUMN>
n|Ma&qs gTD%4V <ASP:TEMPLATECOLUMN headertext="选中">
STRyW Ml <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
>I:9'"` <ITEMTEMPLATE>
Esa6hU# <ASP:CHECKBOX id="chkExport" runat="server" />
[Ekgft& </ITEMTEMPLATE>
P.1Qc)m4 <EDITITEMTEMPLATE>
d!!3"{' <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
T~|PU{ </EDITITEMTEMPLATE>
2dyxKK!\a </ASP:TEMPLATECOLUMN>
_<Vg[-:1 U\;Ml 后台代码
5W5pRd>Q protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
4sQ~&@[Q+ {
NIL^UN} //改变列的选定,实现全选或全不选。
x"!#_0TT} CheckBox chkExport ;
`7$Oh{67 if( CheckAll.Checked)
,gx$U@0Z {
I')x]edU foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
cnYYs d{ {
C}bPv+t chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
{{GHzW chkExport.Checked = true;
DW4MA<UQ }
yOM
-;h }
h!~|6nj else
p+5#dbyr {
%rX\
P foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
[L)V(o)v {
Z%A<#% chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
@Zh8 QI+ chkExport.Checked = false;
Y~x`6 }
a1_o.A }
k0=|10bi }
N6f%>3%1|. R+x%r&L5F 17.数字格式化
'>4+WZ1w5 +-",2d+g 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
8Q)y%7{6 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
?n73J wH a6OrE*x:D int i=123456;
7dsnv)(v string s=i.ToString("###,###.00");
ws na5D6i
L5TNsLx ( 18.日期格式化
'1qAZkz &<#/&Pq/i 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
$)Jc-V
6E kKNk2!z`M 显示为: 2004-8-11 19:44:28
$o{F ` 3vN R" 我只想要:2004-8-11 】
e(4bx5<* <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
=/M$
<+ zww? 应该如何改?
R^F7a0" ?Of{c,2 . 【格式化日期】
W[@"H1bVH av7q>NEZ!1 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Vl&+/-V he_HVRpB 【日期的验证表达式】
GR_p1 C\ k-;.0!D^ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
o&*1U"6D ^((\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})))?$
zd.1 mJ7`. B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
/0X0#+kn ^\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]))$
dawVE
O 5Q2TT $P 【大小写转换】
<7@mg/T HttpUtility.HtmlEncode(string);
W8\PCXnsfl HttpUtility.HtmlDecode(string)
3T Yo xuw//F 19.如何设定全局变量
<x.]OZgO EXv\FUzo Global.asax中
Cj`pw2. fbi H Application_Start()事件中
xF2f/y N}eU.#L 添加Application[属性名] = xxx;
Y*h`), ,dGFX]P 就是你的全局变量
pQ 4
%]Api |% la 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
eYnLZ&H5O k4]R]=Fh. HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
F&>T-u-dog 6~>^pkV 【ASPNETMENU】点击菜单项弹出新窗口
rjhs? 'Y,+D`&i) 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
)< X=z <?xml version="1.0" encoding="GB2312"?>
#S/pYP`7 <MenuData ImagesBaseURL="images/">
p
P_wBX <MenuGroup>
tF{{cd
<MenuItem Label="内参信息" URL="Infomation.aspx" >
D>!v_v6 <MenuGroup ID="BBC">
'd~, o[x <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
2_B; <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
PprQq_j ......
/zDSlj<c YA1{-7'Q 最好将你的aspnetmenu升级到1.2版
]JhDRJ\ 0KNH=;d} 21.读取DataGrid控件TextBox值
Sm~? zU[k/ foreach(DataGrid dgi in yourDataGrid.Items)
u|:UFz^p {
CfWK6 > TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
%-0em!tUV tb.Text....
Q_UCF'f;} }
+dPE!: c +"O\j' 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
{VrAh*#h
Vj9`[1}1Z 〖思归〗
~7eUt^SD; <asp:TemplateColumn HeaderText="数量">
)dzjz%B) <ItemTemplate>
HfZ (U5~ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
TZ`]#^kU onkeyup="javascript:DoCal()"
p~k`Z^xY$ />
hx2!YNx ! PHE; <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
O23]!S<; </ItemTemplate>
kW7&~tX </asp:TemplateColumn>
10QNV=yK7s */fs.G:P <asp:TemplateColumn HeaderText="单价">
D7n&9Z <ItemTemplate>
QWIOim- <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
7Vof7Y < onkeyup="javascript:DoCal()"
@EH4N%fH />
Z7k1fv:S^ ~Krg8s!F& <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
WZDokSR .D M1Knj </ItemTemplate>
A~%g" </asp:TemplateColumn>
: \ON+LQr XEe+&VQmY <asp:TemplateColumn HeaderText="金额">
k(w9vt0? <ItemTemplate>
RvgAI`T7$ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
q>Ar.5&M_ </ItemTemplate>
`G:qtHn"Q< </asp:TemplateColumn><script language="javascript">
?_<UOb* function DoCal()
X/?h!Y} {
da7x 1n$D var e = event.srcElement;
]pucv! var row = e.parentNode.parentNode;
jv?aB var txts = row.all.tags("INPUT");
k6 h^ if (!txts.length || txts.length < 3)
1v8:,!C return;
u3ri6Y` wft:eQ var q = txts[txts.length-3].value;
/Va&k4 var p = txts[txts.length-2].value;
PPIG?fK) J6?_?XzToT if (isNaN(q) || isNaN(p))
;74DT return;
d$G%F $BTs #,|_d>p: q = parseInt(q);
O(WMTa'% p = parseFloat(p);
=kZwB*7 HS|g
txts[txts.length-1].value = (q * p).toFixed(2);
c]/O^/ }
tMs|UC </script>
WZy6K(18"' e]L3=R; 9zM4D @bVh?T0~F, |2c!t$O@v 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。
CI3_lWax% page_load
4OESsN$O page.smartNavigation=true
8^ ZM U{ 3=eGS 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 ?
My43\p private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
xQ(KmP2hl {
dpOL1rrE for(int i=0;i<e.Item.Cells.Count-1;i++)
nR|uAw if(e.Item.ItemType==ListItemType.EditType)
(>@syF%PB {
vp}>#& e.Item.Cells.Attributes.Add("Width", "80px")
V,*0<7h }
?@uK s4 }
?PU(<A+ l Ib>t 26.对话框
^`PSlT3<F private static string ScriptBegin = "<script language=\"JavaScript\">";
2/<WWfX' private static string ScriptEnd = "</script>";
;V(}F!U\z
'Q;?_,` public static void ConfirmMessageBox(string PageTarget,string Content)
k=q%FlE {
+^% &8< string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
1'._SMP o dQ&0d ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
:?of./Df| WaZ@ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
w<^2h}5 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
@'| 6lG //Response.Write(strScript);
E/Gs',Y }
n<(5B|~y K d|l\k! 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
;>x1)|n5 Jhq5G" 1.1 取当前年月日时分秒
1:l&&/Wy currentTime=System.DateTime.Now;
dUVTQ18F 4!b'%) 1.2 取当前年
$S-;M0G
x int 年= DateTime.Now.Year;
}n&JZ`8<s 1*`JcUn,> 1.3 取当前月
#z54/T int 月= DateTime.Now.Month;
u$`x]K=Zsm RgzSaP;; 1.4 取当前日
2|H'j~ int 日= DateTime.Now.Day;
U3iyuE ng)yCa_Ny 1.5 取当前时
[g
68O* int 时= DateTime.Now.Hour;
~$&r(9P |k9j )Hg( 1.6 取当前分
$TW+LWb int 分= DateTime.Now.Minute;
Qmh(+-Mp( LCm}v&~%A 1.7 取当前秒
QMfy^t+I int 秒= DateTime.Now.Second;
*gMP_I j`-y"6) 1.8 取当前毫秒
MicVNs int 毫秒= DateTime.Now.Millisecond;
KKTfxNxJn WiCM,wDi 28.自定义分页代码:
4Fc1' tf}Q%)`f 先定义变量 :
DB=cc public static int pageCount; //总页面数
#3ro?w public static int curPageIndex=1; //当前页面
vT<wd# U=1`. Ove 下一页:
Vy"^]5 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
!(AFT! {
MvwJ(3 DataGrid1.CurrentPageIndex += 1;
K OHH74}_ curPageIndex+=1;
dM;WG;8e }
1+ARV&bc Dve5m= bind(); // DataGrid1数据绑定函数
I6Q_A @z?.P;f9# 上一页:
@x>2|`65Y if(DataGrid1.CurrentPageIndex >0)
c15^<6]g {
^)]*10 DataGrid1.CurrentPageIndex += 1;
${:$jX[ curPageIndex-=1;
9 7qS.Z27 }
'cc4Y~0s s~ZC!- [; bind(); // DataGrid1数据绑定函数
aV%rq9Tp *LQY6=H 直接页面跳转:
L6}x3 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
?mUu(D:7D w)>z3Lm if(a<DataGrid1.PageCount)
?)<XuMh {
C+IE<=%F this.DataGrid1.CurrentPageIndex=a;
cr;`0 }
:iC\#i]6 VNot4 62L bind();
ee?ZkU#@ %* ;
8m' 29.DataGrid使用:
c|a|z}(/J `lOoT 添加删除确认:
L#N.pd
private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
KPcuGJ {
r6_a%A* foreach(DataGridItem di in this.DataGrid1.Items)
cf3c+.o {
;|%JvptwW% if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
(:muxby% {
tB?S0;yXjd ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
FDC{8e }
0'oT {iN }
K:Go%3~, }
*F&&rsb +Y[+2=lO 样式交替:
?pY!sG ListItemType itemType = e.Item.ItemType;
==r|]~x
NX", e= if (itemType == ListItemType.Item )
!\uk b {
6-YR'ikU e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Ox'.sq4 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
P!ICno6[e }
. +?lID else if( itemType == ListItemType.AlternatingItem)
;MI<J>s {
PTZ1oD e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
o/
5Fg>d e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Y% 9F }
rq?x]`u
n(1"6 添加一个编号列:
&4FdA|9T DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
&3?yg61Ag DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
PFw"ICs Ol0|)0 for(int i=0;i<dt.Rows.Count;i++)
4!qDG+m {
vw; dt.Rows["number"]=(i+1).ToString();
YTit=4| }
[]Ea0jYu nd1*e DataGrid1.DataSource=dt;
,~iAoxD5jY DataGrid1.DataBind();
0G 1o3[F ~` hcgCi% DataGrid1中添加一个CheckBox,页面中添加一个全选框
K),wAZI!7j private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
21 j+c{O {
;~;St>?\R\ foreach(DataGridItem thisitem in DataGrid1.Items)
g7F
Z - {
dfcG'+RU} ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
#^V"=RbD }
DV"ri }
yBiwYk6 Nf'9]I 将当前页面中DataGrid1显示的数据全部删除
Q1[s{, foreach(DataGridItem thisitem in DataGrid1.Items)
?O?~|nI {
[40 YoVlfM if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
FCPRg^=<!~ {
'b,D;'v string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
c y$$} Del (strloginid); //删除函数
x"80c(i }
|i8dI )b }
\&90$>h 'wt|buu-H 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
lhTbg M _F EF+I 在Application_Start中添加以下代码:
uSjMqfK Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
X_F= ;XF/ AppSettings["ConnStr"].ToString();
mY(
_-[W ]H[\~J 31. 变量.ToString()
N-]n>E Hd`RR3J 字符型转换 转为字符串
n9Yk;D2 12345.ToString("n"); //生成 12,345.00
.zt]R@@6 12345.ToString("C"); //生成 ¥12,345.00
K_}acU 12345.ToString("e"); //生成 1.234500e+004
Yv-uC}e 12345.ToString("f4"); //生成 12345.0000
k:xV[9ev: 12345.ToString("x"); //生成 3039 (16进制)
Akf9nT 12345.ToString("p"); //生成 1,234,500.00%
RI;RE/Z ,Pm/ci(s 32、变量.Substring(参数1,参数2);
}tPl?P'` ZP<X#]$qb 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);
-~k2Gy;E s_TM!LRUcw 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)
oJ+$&P( <SCRIPT language="javascript">
o*xEaD <!--
TbuR?# function gook(pws)
y;jyfc$
` {
{Se93o frm.submit();
/<Et }
*1n: //-->
\zwb> ^ L\[jafb_` </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
='j <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Z5=!R$4 <tr>
[PT_y3'% <td>
5sE}B8
mF <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
vrGNiGIi[ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
K3^2R-3:8 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
CmZ?uo+Y s>X;m.< <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
10&A3C(E <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
s@|?N+z ceCshxTU </td>
%XeU4yg\e .YkKIei </tr>
5\J;EWTU oSoG&4 </form>
K\q/JuDfc 4hs4W,2! 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。
SccU@3.X~ |7-tUHMo[ 下面是获取用户输入的登陆信息的代码:
HNPr|
( string name;
A VjtK name=Request.QueryString["EmailName"];
ov~m?Y]h ~0NZx8qG try
U
DG _APf {
I}=}S"v int a=name.IndexOf("@",0,name.Length);
[% jg;m f_user.Value=name.Substring(0,a);
ZU|nKt<GK f_domain.Value=name.Substring(a+1,name.Length-(a+1));
i=4bY[y f_pass.Value=Request.QueryString["Psw"];
:<W8uDAs }
QI-3mqL V4H+m,R catch
eD3F%wxz {
pLU>vQA Script.Alert("错误的邮箱!");
F\e'z Server.Transfer("index.aspx");
QbWD&8T0O }