1. 打开新的窗口并传送参数:
L[o;@+32 a,g3/ 传送参数:
cO/%;HEV response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
e^2e[rp0 ya7PF~:E- 接收参数:
b5K6F:D22 string a = Request.QueryString("id");
I,;@\ string b = Request.QueryString("id1");
P"d7Af HYm
| 2.为按钮添加对话框
[mwJ* GJ- Button1.Attributes.Add("onclick","return confirm(’确认?’)");
81Ixs
Qt button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
3SI:su /orpQUHA 3.删除表格选定记录
+c;/hM<IX. int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
^*JpdmVhu string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
n${,r p|fSPSz 4.删除表格记录警告
X,-QxV=lc) private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
ev~/Hf {
C+ibLS4i switch(e.Item.ItemType)
7{F(NJUO1 {
${I$@qq83 case ListItemType.Item :
z\64Qpfm case ListItemType.AlternatingItem :
Axp#8 case ListItemType.EditItem:
&D@/_m $ TableCell myTableCell;
xS.Rpx/8 myTableCell = e.Item.Cells[14];
'](4g/% LinkButton myDeleteButton ;
T,N"8N{K" myDeleteButton = (LinkButton)myTableCell.Controls[0];
qYpuo
D myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
M]9oSi break;
I#lvaoeN default:
b^
wWg break;
R-odc,P= }
~DY5`jV d'j8P }
@;>i3? 0zH^yx:ma 5.点击表格行链接另一页
!;Hi9,<#7g private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
&"X6s%ZH| {
xW|^2k //点击表格打开
7C~qAI6Eg if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
fDe4 [QQ8 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
vn
oI.;H, }
dLA'cQId Qa*?iD 双击表格连接到另一页
0u0<)gdX @L?X}'0xI4 在itemDataBind事件中
X3nt*G1dL if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
KKMzhvf]# {
epz'GN]V string OrderItemID =e.item.cells[1].Text;
lIR0jgP@z ...
Hgu:*iYA e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
H<tk/\C }
OPm?kr g7*"*%v 2 双击表格打开新一页
F\pw0^K;N if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
>R|*FYam {
/JP]5M) string OrderItemID =e.item.cells[1].Text;
/WIO@c ...
Z)iRc$; e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
r]! <iw }
b1X.#pz7F nq'vq]] ★特别注意:【?id=】 处不能为 【?id =】
?gZJ v 6.表格超连接列传递参数
a2:Tu <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
/cmnX'z <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
$^&SEz q\ihye 7.表格点击改变颜色
@\~qXz{6J if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
iC U[X& {
wLa^pI4p ^ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
sU7>q}! this.style.color=’buttontext’;this.style.cursor=’default’;");
>;E[XG^ }
qg7]
YT& q;I`&JK 写在DataGrid的_ItemDataBound里
sy^k:y? if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
&p?Oo^ {
H<$.AC\zn e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
d<*4)MRN this.style.color=’buttontext’;this.style.cursor=’default’;");
qF9rY)ifm e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
7Pt*V@DHS }
$D,m o2I doR'E=Z4h $Cu/!GA4.> 8.关于日期格式
*q5'~)W< ]mU,y$IQ 日期格式设定
jgiP2k[Xom DataFormatString="{0:yyyy-MM-dd}"
v\9:G m wuFXu/ 我觉得应该在itembound事件中
)9,*s!)9 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
|pIA9/~Z L_+0[A 9.获取错误信息并到指定页面
Dl862$_Q nMU#g])y) 不要使用Response.Redirect,而应该使用Server.Transfer
3t(8uG<rL 47Y|1 e.g
Q37VhScs // in global.asax
d6lhA 7 protected void Application_Error(Object sender, EventArgs e) {
!g? ~<` if (Server.GetLastError() is HttpUnhandledException)
-Q@jL{Ue Server.Transfer("MyErrorPage.aspx");
#unE>#DW Y^)VHE] //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
M/U$x /3K }
&}Y_EHj} %iPu51+= 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
B3I\= ht^U VV2 10.清空Cookie
uCK!lq- Cookie.Expires=[DateTime];
=goZI6 7 Response.Cookies("UserName").Expires = 0
v{rc5 ]\R "?j|;p@!> 11.自定义异常处理
>Kl78w: //自定义异常处理类
-X#J<u T/ using System;
39!o!_g using System.Diagnostics;
^H+j;K{5, m RCgKW< namespace MyAppException
R|Ft@]
{
=#XsY,r /// <summary>
A!v-[AI[ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
CiP-Zh[gZ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
{d$S~ /// </summary>
X.0/F6U public class AppException:System.ApplicationException
dE5DH~ldV {
;{|a~e?Y public AppException()
H+zn:j@~L {
\Rn.ug if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
AK<ZP?0 }
x7e \h^bOxh public AppException(string message)
hMJ \a {
)!dELS\ix LogEvent(message);
<.3@-z>w2, }
*f8,R"]-g C!w@Naj public AppException(string message,Exception innerException)
T4
SByX9 {
^a`zvrE
v LogEvent(message);
Xi5kE'_ if (innerException != null)
[ hj|8) {
cFLu+4.jsG LogEvent(innerException.Message);
Cu({%Gy+ }
^JtGT }
>Z^7=5K"O v >3ctP{ //日志记录类
rOY^w9! using System;
<YL\E v/[ using System.Configuration;
)<.S3 using System.Diagnostics;
pb%#`2" using System.IO;
3Gn2@`GC using System.Text;
9BANCW" using System.Threading;
^J>28Q\S ~E^EF{h
namespace MyEventLog
gx[#@( {
KHr8\qLH /// <summary>
1jmhh!, /// 事件日志记录类,提供事件日志记录支持
jTws0=F* /// <remarks>
y<F$@ /// 定义了4个日志记录方法 (error, warning, info, trace)
`Uk,5F5 /// </remarks>
xSb/98; /// </summary>
?p5RSt public class ApplicationLog
u\qyh9s {
BHj]w*Ov /// <summary>
F__>`Dol /// 将错误信息记录到Win2000/NT事件日志中
mS~3 QV /// <param name="message">需要记录的文本信息</param>
=mqV&FgRo /// </summary>
lO,
2 public static void WriteError(String message)
j<deTK;. {
b&~uK"O'7d WriteLog(TraceLevel.Error, message);
wX 41R]pF }
6X|KKsPzX $
O!f*lG /// <summary>
=< CH( 4! /// 将警告信息记录到Win2000/NT事件日志中
d;#9xD' /// <param name="message">需要记录的文本信息</param>
Wc3!aLNx /// </summary>
|[34<tIN public static void WriteWarning(String message)
#<'/sqL {
N83RsL "}_ WriteLog(TraceLevel.Warning, message);
:o}7C%Q8 }
x6DH0*[.
=hl-c /// <summary>
f| N(~ /// 将提示信息记录到Win2000/NT事件日志中
mA^>Y_: /// <param name="message">需要记录的文本信息</param>
y6*i/3 /// </summary>
=r0!-[XCa public static void WriteInfo(String message)
5!nZvv {
@oRYQ|.R WriteLog(TraceLevel.Info, message);
,A6*EJ\w }
z5'VsK: /// <summary>
WgPL4D9= /// 将跟踪信息记录到Win2000/NT事件日志中
3C,e>zE} /// <param name="message">需要记录的文本信息</param>
b}"/K$`Fd /// </summary>
N=I5MQG public static void WriteTrace(String message)
i0AC.]4e" {
R&xD|w8UjM WriteLog(TraceLevel.Verbose, message);
Jy|Mfl%d }
.j&jf^a5 2:DpnLU5 /// <summary>
B8s|VI /// 格式化记录到事件日志的文本信息格式
Olxb`x
/// <param name="ex">需要格式化的异常对象</param>
=m/2)R{ /// <param name="catchInfo">异常信息标题字符串.</param>
e9B, /// <retvalue>
W)4xO>ck*3 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
G~esSL^G/ /// </retvalue>
J"83S*2(j /// </summary>
0_] aF8j public static String FormatException(Exception ex, String catchInfo)
0)2lBfHQ& {
wG{obsL.! StringBuilder strBuilder = new StringBuilder();
JAiV7v4&R if (catchInfo != String.Empty)
:m$%D]WY {
^d=Z/d[ strBuilder.Append(catchInfo).Append("\r\n");
{Zseu$c
}
,}2j
Fb9z4 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
ptDA))7M/ return strBuilder.ToString();
uk'<9g^ }
Cza)s 9hguC yr@h /// <summary>
Fk9(FOFg /// 实际事件日志写入方法
/Cg/Rwl /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
e1/|PgT(KM /// <param name="messageText">要记录的文本.</param>
L0_=R;.< /// </summary>
0~S<}N private static void WriteLog(TraceLevel level, String messageText)
mMjVbeh[ {
/ 9;Pbxn try
rRt<kTk!U {
=p7W^/c EventLogEntryType LogEntryType;
EEo+# switch (level)
.A `:o {
blPC"3}3Vd case TraceLevel.Error:
sNZPv^c LogEntryType = EventLogEntryType.Error;
pF !vW break;
*{Z!m@?
case TraceLevel.Warning:
RCX4;,DHx LogEntryType = EventLogEntryType.Warning;
B+Bv(p break;
Z\7bp&& case TraceLevel.Info:
rFK
* LogEntryType = EventLogEntryType.Information;
./g#< break;
7r;A
wa case TraceLevel.Verbose:
'{u#:TTj LogEntryType = EventLogEntryType.SuccessAudit;
kg@J. break;
O71rLk; default:
T6,lk1S'= LogEntryType = EventLogEntryType.SuccessAudit;
)I$Mh@F break;
S8cFD):q }
He*L"VpWv 'Hia6<m3 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
a$|u!_)!h //写入事件日志
e^an` </{ eventLog.WriteEntry(messageText, LogEntryType);
r 1a{Y8? j,-7J*A~ }
F>Oh)VL,Ev catch {} //忽略任何异常
zF$wz1
% }
1e+?O7/ } //class ApplicationLog
1&As:kv5I }
3//v{ce1] N} h%8\ 12.Panel 横向滚动,纵向自动扩展
K;ML' <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
;$/G T +]zP $5_e 13.回车转换成Tab
CKur$$B <script language="javascript" for="document" event="onkeydown">
O^$Zz< if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
m{yON&y event.keyCode=9;
syfR5wc </script>
od fu7P_ NEH$&%OV? onkeydown="if(event.keyCode==13) event.keyCode=9"
y$"L`*W N{yZk"fq:6 14.DataGrid超级连接列
qprOxP
r DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
U,S286
p[GyQ2k) 15.DataGrid行随鼠标变色
<am7t[G." private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
;Vy'y {
0Q9OQqg
m if (e.Item.ItemType!=ListItemType.Header)
Uwk|M?94 {
LN^8U e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
zK92:+^C e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
BkeP?X }
F"C Yrt }
B;Z^.3 u"T^DrRlQ 16.模板列
HXQrtJ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
lTP02|eK <ITEMTEMPLATE>
]*h}sn= <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
ATHz~a </ITEMTEMPLATE>
[)pT{QA </ASP:TEMPLATECOLUMN>
}{y$$X<:
BSf"'0I& <ASP:TEMPLATECOLUMN headertext="选中">
u\wd<<I'] <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
qh 3f <ITEMTEMPLATE>
xL"%2nf <ASP:CHECKBOX id="chkExport" runat="server" />
F)w83[5_d </ITEMTEMPLATE>
8IH gsW"; <EDITITEMTEMPLATE>
}+J@;: <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
g <o ;\\ </EDITITEMTEMPLATE>
VLN3x.BY </ASP:TEMPLATECOLUMN>
g-}sVvM 7A6sSfPUy 后台代码
}b(e protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
J5T#}!f {
BxU1Q& //改变列的选定,实现全选或全不选。
(ce NVo& CheckBox chkExport ;
zJ`(LnV if( CheckAll.Checked)
xW4+)F5P( {
Fm':sd)'X foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
IycxRig {
,gc#N chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
cg%CYV) chkExport.Checked = true;
U;@jl?jnG }
Se`N5hQ }
LH;G: else
^ym{DSx {
^aCYh[= foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
m5X=P5U {
Se8y-AL6x> chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
}C1wfZ~F~ chkExport.Checked = false;
88j
;7 }
CK</2 w+ }
B;r$( 'UZ }
yFo5 pKF.J eHe /w9`$R 17.数字格式化
&:*+p-!2< %#a%Luq 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
<GRf%zJ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
9A(K_d-!H |GQ$UB int i=123456;
|lwN!KVQ, string s=i.ToString("###,###.00");
&7&*As 6DW|O<k^j 18.日期格式化
R
<\Yg3m8 F4%[R) 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Wp3l>: :,,y63-f4 显示为: 2004-8-11 19:44:28
%
cdP* VH6|(=8 我只想要:2004-8-11 】
hp4(f W <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
h';v'"DoW` =_J<thp 应该如何改?
sLp
LY1X Y{|yB 【格式化日期】
q:EQ, 2kq@*}ys 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Xy<f_ t|QMS M?s 【日期的验证表达式】
!\O,dq m0\}Cc A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
vPNZFi-( ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
|7x^@i9w [frD
L) B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
SVh4)}.x ^\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]))$
86F+N_>Z ZMg9Qt 【大小写转换】
7`@?3? HttpUtility.HtmlEncode(string);
Aq'E:/ HttpUtility.HtmlDecode(string)
E]?HCRa5R Sr 4 7u{n 19.如何设定全局变量
d}cJ5!d ldvxYq<: Global.asax中
k.[) R@0% Bjj^!T/# Application_Start()事件中
mm<iT59 'TsZuZW] 添加Application[属性名] = xxx;
7h/Q;P5 0]W]#X4A 就是你的全局变量
g
'a? D@W3;T^ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
nvVsO>2{ o %E7.$Gj% HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
z2V8NUn rOr1H! 【ASPNETMENU】点击菜单项弹出新窗口
k]9> V@C *js$r+4 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
W?J[K;< <?xml version="1.0" encoding="GB2312"?>
G$9|aaf`1# <MenuData ImagesBaseURL="images/">
Z*)Y:tk)b <MenuGroup>
W<]Oo ] <MenuItem Label="内参信息" URL="Infomation.aspx" >
pbxcsA\ <MenuGroup ID="BBC">
Lj-&TO}OZ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
={@ @`yP^$ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
6 Ok=q:; ......
@/NZ>. i=H>D 最好将你的aspnetmenu升级到1.2版
[HiTR !o* <?7,`P:h[ 21.读取DataGrid控件TextBox值
y"L`bl A9} foreach(DataGrid dgi in yourDataGrid.Items)
O[p^lr(B7 {
UA4d|^ev TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
4?M3#],'h tb.Text....
]l7\Zq }
)u/
^aK53^ AaC1||?R 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?
=&:f+!1$ 7+hF; 〖思归〗
~w9=Fd6 <asp:TemplateColumn HeaderText="数量">
MGKeD+=5 <ItemTemplate>
8 E+C:" <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
[Pc[{( onkeyup="javascript:DoCal()"
$SGA60q />
b<V./rWIB nEcd+7( <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
9`n)"r </ItemTemplate>
S@zkoj@ </asp:TemplateColumn>
)'dH}3Ba
R{KIkv <asp:TemplateColumn HeaderText="单价">
)^>XZ*eK <ItemTemplate>
8Y~=\(5> <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
bKJ7vXC05 onkeyup="javascript:DoCal()"
yO,`"Dc_0 />
S<]a@9W ?r E]s!K <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
{$1$]p~3o B"Kce"! </ItemTemplate>
I&fh </asp:TemplateColumn>
po2[uJ XL/o y'_ <asp:TemplateColumn HeaderText="金额">
rbuL@=S@* <ItemTemplate>
j484b2uj1 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
bb/?02*)H </ItemTemplate>
tvH\iS #V </asp:TemplateColumn><script language="javascript">
D<3V#Opw function DoCal()
ie~fQ!rf {
ZIL|
.<8I var e = event.srcElement;
n$|c{2]= var row = e.parentNode.parentNode;
z vb}p var txts = row.all.tags("INPUT");
ssyd8LC# if (!txts.length || txts.length < 3)
69j~?w)^ return;
&<|-> *v FJ(B]n[> var q = txts[txts.length-3].value;
O][Nl^dl var p = txts[txts.length-2].value;
i$^B- Q$h:[_v if (isNaN(q) || isNaN(p))
T'b/]&0Tio return;
11y.z^ %::deV7 q = parseInt(q);
dbuJ~?D, p = parseFloat(p);
6+B{4OY "(\)
&G txts[txts.length-1].value = (q * p).toFixed(2);
jy(+
0F }
^g-t#O lD? </script>
zIm_7\e 7}cDGdr D@\;@(
| H9san5{ Jg|cvu-+ 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。
mhi90J c page_load
hUT^V( page.smartNavigation=true
z1'FmwT ~@4ZV 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 ?
4o4 = private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
4`U0">gY {
8lWH=kA\ for(int i=0;i<e.Item.Cells.Count-1;i++)
:9F''f$AP if(e.Item.ItemType==ListItemType.EditType)
'LbeL1ca {
9sU+IT K4 e.Item.Cells.Attributes.Add("Width", "80px")
.Y(lB=pV }
Z2rzb{oS} }
f7Df %&d 4d e]?#= 26.对话框
LZc$:<J<6 private static string ScriptBegin = "<script language=\"JavaScript\">";
lTr*'fX private static string ScriptEnd = "</script>";
M,t*nG C3\E.u? public static void ConfirmMessageBox(string PageTarget,string Content)
"7yNKO;W {
_))I.c=v string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
QOV}5 0 jkF+g$B ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
>^yc=mM(g3 /j' B\, Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
EzIs@} ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
2T@L{ ql //Response.Write(strScript);
1 O7]3&L@ }
Z6^QB@moj @1qdd~B} 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Cx+WLD iO*`(s 1.1 取当前年月日时分秒
bbNU\r5% currentTime=System.DateTime.Now;
] dHB} f{igW?Ho 1.2 取当前年
p`:*mf int 年= DateTime.Now.Year;
$Eio$TI \+iu@C 1.3 取当前月
_^ q\XPS int 月= DateTime.Now.Month;
eB=v~I3 yOWOU`y? 1.4 取当前日
)_77>f% int 日= DateTime.Now.Day;
WgA`kT h@~:(:zU$ 1.5 取当前时
ok `]:gf int 时= DateTime.Now.Hour;
T0`"kjE !8Z2X!$m{< 1.6 取当前分
.73zik int 分= DateTime.Now.Minute;
aUW/1nQHa I( ]BMMj 1.7 取当前秒
T~%H%O(F int 秒= DateTime.Now.Second;
WHUT/:?f o3n3URu\ 1.8 取当前毫秒
dh^+l;!L int 毫秒= DateTime.Now.Millisecond;
IV{FH&t^T" 2'wr={>W 28.自定义分页代码:
Gz>Lqd JBR[;
zM 先定义变量 :
'ySljo*It public static int pageCount; //总页面数
~n[b^b
public static int curPageIndex=1; //当前页面
g4:VR:o %5JW<9 下一页:
"v(G7*2 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
a`H\-G {
?fK^&6pI DataGrid1.CurrentPageIndex += 1;
FXx.$W curPageIndex+=1;
q*6q}s3n }
PSTu /^ Ag0]U bind(); // DataGrid1数据绑定函数
LBiowd[ m|pTn#*` 上一页:
YC]PN5[1! if(DataGrid1.CurrentPageIndex >0)
D@8jGcz62 {
+w"_$Tj@; DataGrid1.CurrentPageIndex += 1;
1GtOA3,~;- curPageIndex-=1;
07x=`7hs} }
n6b3E* 6*ZU}xT bind(); // DataGrid1数据绑定函数
[}>#YPZ 1~%o}+#- 直接页面跳转:
&*B>P>x int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
izCaB~{/ - $U@By<SJ if(a<DataGrid1.PageCount)
8q?;2w\l {
>']+OrQH this.DataGrid1.CurrentPageIndex=a;
C"w,('~@kW }
6Wj@r!u JE0?@PI$ bind();
x6LjcRS| 4d!S#zx 29.DataGrid使用:
Nd`HB=ShJ R0%?:!
F 添加删除确认:
P7z:3o. private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
~32Pjk~ {
6wPeb~{ foreach(DataGridItem di in this.DataGrid1.Items)
FbveI4 {
U.: sK* if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
A j,]n>{ {
],n%Xp ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
SO`dnf }
U\Ct/U&A? }
)8;{nqoC }
n
]w7Zj )S^z+3p 样式交替:
1e/L\Y=m ListItemType itemType = e.Item.ItemType;
l '/N3&5 3[VWTq)D= if (itemType == ListItemType.Item )
\M9h&I\7 {
[*Q-nZ/L e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
! ,@ZQS e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
5O&d3;p' }
[FGgkd} else if( itemType == ListItemType.AlternatingItem)
Q uB+vL {
Vt'L1Wr0v e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
jZRh KT e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
lr WLN }
34SA~5 [g#s&bF 添加一个编号列:
R*087X7
N| DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
G*B$%?n DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
GR<c= O}QFq14<+ for(int i=0;i<dt.Rows.Count;i++)
Rp0|zP,5 {
q/$GE," dt.Rows["number"]=(i+1).ToString();
\^LWCp,C" }
t:>x\V2m W<v_2iVu DataGrid1.DataSource=dt;
7F9;Su3. DataGrid1.DataBind();
>V(zJ |Ab{H% DataGrid1中添加一个CheckBox,页面中添加一个全选框
P.cO6+jGR private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
H'EY)s Hi {
l7z6i*R foreach(DataGridItem thisitem in DataGrid1.Items)
atyu/+U'} {
V5AW&kfd ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
\^& }
fD{II+T }
tjj^O%SV< &1_U1 将当前页面中DataGrid1显示的数据全部删除
(= 9wo foreach(DataGridItem thisitem in DataGrid1.Items)
hT'=VN {
H-(q#?: if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
)Vg2Jix,] {
,)zt
AFn= string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
2U}m RgJu Del (strloginid); //删除函数
yyP'Z~0 }
X D) 8? }
zI^Da!r. dAL3. % 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)
! RPb|1Y}+ wz#A1F 在Application_Start中添加以下代码:
z1vw'VT> Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
b#/i.!:a AppSettings["ConnStr"].ToString();
U]1(&MgV \0ov[T N.> 31. 变量.ToString()
E"#Xc@ _ij$f< 字符型转换 转为字符串
VYaSB?`/ 12345.ToString("n"); //生成 12,345.00
K'aWCscM 12345.ToString("C"); //生成 ¥12,345.00
\5TxE 12345.ToString("e"); //生成 1.234500e+004
FW#P*}# 12345.ToString("f4"); //生成 12345.0000
cwe1^SJ6y 12345.ToString("x"); //生成 3039 (16进制)
ZY cd.? :6 12345.ToString("p"); //生成 1,234,500.00%
C#;@y|Rw R{?vQsLk 32、变量.Substring(参数1,参数2);
jJBnDxsA L\e>B>u 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
y bQP E/9 8:thWGLN 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
(PRBS\*G <SCRIPT language="javascript">
}"_j0ax <!--
``u:lL function gook(pws)
DI1(`y {
__I/F6{ 9V frm.submit();
}HRK?.Vj: }
nWJ:=JQ i" //-->
Tf x :"u 5f^>b\8+ | </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
zN{JJ3- <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
R J~%0 <tr>
gg^1b77hT <td>
!VP %v&jKm <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
!tXZ%BP.u <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
/(?@mnq_ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
oY=1C} 2r&R"B1`( <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
_w(ln9 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
xx)-d,S pB p#a </td>
?WpenUWk )R?;M </tr>
]]BOk {2
%aCCV </form>
F[Q!d6 (qBvoLkF9N 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
% /}WUP^H B$vr'U
下面是获取用户输入的登陆信息的代码:
#yW\5) string name;
o>?*X(+le name=Request.QueryString["EmailName"];
~@4'HMQ syPWs57pH try
.lN s4e {
!bU\zH int a=name.IndexOf("@",0,name.Length);
Xsuwa-G!5~ f_user.Value=name.Substring(0,a);
z0bJ?~w, f_domain.Value=name.Substring(a+1,name.Length-(a+1));
@;:>G A f_pass.Value=Request.QueryString["Psw"];
gSt`% }
uD9|.P} *7$P] catch
55Gtp\L {
z42F,4Gk Script.Alert("错误的邮箱!");
<>Y?vC Server.Transfer("index.aspx");
&dR=?bz-A }