1. 打开新的窗口并传送参数:
uX1; w"?Q0bhV9y 传送参数:
y/\b0& response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
KV$&qM. 6=]Gom&S 接收参数:
Q~nVbj?c2v string a = Request.QueryString("id");
':pDlUA string b = Request.QueryString("id1");
8^}/T#l E#+2)Q 2.为按钮添加对话框
RJ@79L*# Button1.Attributes.Add("onclick","return confirm(’确认?’)");
?)-6~p 4N button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Mc.{I"c@ xg/( 3.删除表格选定记录
7*uN[g#p int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
%urvX$r4K string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
^}Vc||S neM.M)0 4.删除表格记录警告
c`;oV-f private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
]0* aE {
iSO xQ switch(e.Item.ItemType)
aI&~aezmN {
`hO%(9V9 case ListItemType.Item :
56z>/`= case ListItemType.AlternatingItem :
?@4Mt2Z\ case ListItemType.EditItem:
AB/${RGf+ TableCell myTableCell;
|K1S(m<F myTableCell = e.Item.Cells[14];
a6n@
LinkButton myDeleteButton ;
>
pb}@\;: myDeleteButton = (LinkButton)myTableCell.Controls[0];
y!gPBkG&3n myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
xR0*w7YE break;
e-y$&[
default:
?YR;o4 break;
d.+ }
v_5qE ru 6`Z+p }
[<@T%yq UxNn5(:sM@ 5.点击表格行链接另一页
I>FL&E@K private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#ae?#?/" {
N 62;@Z\7 //点击表格打开
]|g2V
a~- if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
n{!{,s e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
39 }e
}W" }
;SU<T^a ):PN0.H8 双击表格连接到另一页
xF!IT"5D wA$7SWC 在itemDataBind事件中
"L]v:lg3 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
]Ik~TW& {
}&=l)\e string OrderItemID =e.item.cells[1].Text;
OU%"dmSDk ...
g/.FJ-I* e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
M}o.= Iqa }
zNX=V!$ {mD0ug 双击表格打开新一页
Db Qp(W0 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
2x<BU3 {
fQib?g/G string OrderItemID =e.item.cells[1].Text;
M
_<
|n ...
n R, QG8 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
THq}>QI }
-Ct+W;2 c9[{P~y ★特别注意:【?id=】 处不能为 【?id =】
3iw3:1RZUZ 6.表格超连接列传递参数
d~QKZ&jf <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
acS~%^"<_ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
sC\?{B0r
WDghlC6g!l 7.表格点击改变颜色
d[l8qaD if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
B bmw[Qf\ {
@@\qso e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
DL V ny] this.style.color=’buttontext’;this.style.cursor=’default’;");
ppIXS( }
'Grej8 .)tQ&2
写在DataGrid的_ItemDataBound里
xMk>r1Ud if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
c\ZI
5&4jT {
X[?fU& e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
}Y7P2W+4? this.style.color=’buttontext’;this.style.cursor=’default’;");
_qPKdGoM e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
]zj#X\ }
7fypUQ:y IrYj#,xJ eg*a Vb 8.关于日期格式
)8^E{w^D} T^^7@\vDI 日期格式设定
=M?+KbTJ3 DataFormatString="{0:yyyy-MM-dd}"
}R+#>P VvIUAn 我觉得应该在itembound事件中
q'S[TFMNE e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
+Iuu8t } OIe! 9.获取错误信息并到指定页面
?cWwt~N9 tF,`v{-up 不要使用Response.Redirect,而应该使用Server.Transfer
-_9*BvS]R 392(N( e.g
UUz{Qm% // in global.asax
;V~x[J|x protected void Application_Error(Object sender, EventArgs e) {
olQP>sa if (Server.GetLastError() is HttpUnhandledException)
1@I#Fv Server.Transfer("MyErrorPage.aspx");
#Db^* r(wf>w3 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
[H\0
' }
r[ k <[ dt2)%L> 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
" TCJT390 h(kPf]0 10.清空Cookie
wclj9&k Cookie.Expires=[DateTime];
k+[oYd Response.Cookies("UserName").Expires = 0
rx|
,DI 4j0;okQWV' 11.自定义异常处理
8cZ[Kl% //自定义异常处理类
g
\S6>LG! using System;
F\&wFA'J using System.Diagnostics;
N>EMVUVS ,k.") namespace MyAppException
j{FRD8]V
{
u `w w /// <summary>
l$!ExXEZO; /// 从系统异常类ApplicationException继承的应用程序异常处理类。
V"8Go;[ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
&&$*MHJ /// </summary>
3-{WFnA public class AppException:System.ApplicationException
b&E"r*i| {
M3UC9t9] public AppException()
J0k!&d8 {
Tr>_R%b K if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
9E5*%Hu_ }
yT<"?S>D n'vdA !R public AppException(string message)
IIMf\JdM {
B7qi|Fw LogEvent(message);
LR.]&(kyd }
!_+FuF"@ U7U&^s6` public AppException(string message,Exception innerException)
1h`F*:nva {
fif'ptK LogEvent(message);
a'HHUii= if (innerException != null)
<~ay4JY {
U43U2/^ LogEvent(innerException.Message);
t^Bs3;E^ }
roriNr/e }
1k"t[^ ;xh.95BP` //日志记录类
=_E$* } using System;
8@;R2]Q using System.Configuration;
IV1O/lGp using System.Diagnostics;
'%e@7Cs using System.IO;
)Dv;,t using System.Text;
66B,Krz1n using System.Threading;
\COoU(" &N7q9t namespace MyEventLog
Z! /_H($ {
Yt_tAm /// <summary>
6&i])iH /// 事件日志记录类,提供事件日志记录支持
7^.g\Kt? /// <remarks>
j?tE# /// 定义了4个日志记录方法 (error, warning, info, trace)
+#>nOn(B /// </remarks>
6 Yva4Lv /// </summary>
6C"${}SF` public class ApplicationLog
d+h~4'ebv {
+`S_Gy /// <summary>
GRj [2I7: /// 将错误信息记录到Win2000/NT事件日志中
]n1#8T&<*z /// <param name="message">需要记录的文本信息</param>
8:I-?z;S /// </summary>
StNA(+rT public static void WriteError(String message)
&!:mL], {
u9q#L.Ij WriteLog(TraceLevel.Error, message);
U7zd7O }
`|nJAW3 AVz907h8 /// <summary>
2sqH
>fen /// 将警告信息记录到Win2000/NT事件日志中
(G{:O /// <param name="message">需要记录的文本信息</param>
ou)0tX3j /// </summary>
"kc%d'c( public static void WriteWarning(String message)
0"\js:-$ {
yHf^6|$8 WriteLog(TraceLevel.Warning, message);
{J)gS }
m(xyEU 'T|QG@q /// <summary>
u&`rK7J /// 将提示信息记录到Win2000/NT事件日志中
F6DVq8f9 /// <param name="message">需要记录的文本信息</param>
d@ZXCiA}, /// </summary>
H2g#'SK@ public static void WriteInfo(String message)
{P?p*2J' {
Hjs#p{t[ WriteLog(TraceLevel.Info, message);
btC<>(kl& }
uu0t}3l /// <summary>
NeEV=+<-G /// 将跟踪信息记录到Win2000/NT事件日志中
z6qx9x|Ij /// <param name="message">需要记录的文本信息</param>
k^q~2 /// </summary>
J8@bPS27q public static void WriteTrace(String message)
#="Lr4T {
`P|V&;}K WriteLog(TraceLevel.Verbose, message);
4e[ 0.2? }
_w <6o<@ w2!5TKZ` /// <summary>
<gvgr4@^yR /// 格式化记录到事件日志的文本信息格式
~O/B /// <param name="ex">需要格式化的异常对象</param>
? R[GSS1 /// <param name="catchInfo">异常信息标题字符串.</param>
>A L^y(G /// <retvalue>
j=Q ?d] /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
@&E7Pg5 /// </retvalue>
$ JCOL /// </summary>
qMqf7 . public static String FormatException(Exception ex, String catchInfo)
Cw.DLg {
[--] ?Dr StringBuilder strBuilder = new StringBuilder();
@[$q1Nm if (catchInfo != String.Empty)
n#P?JyGm1g {
TuwSJS7 strBuilder.Append(catchInfo).Append("\r\n");
ZQ\O|
n8 }
2mthUq9b* strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
h5E<wyd96. return strBuilder.ToString();
caTKi8 }
?|<p^: u]3VK /// <summary>
i#U_g:~wC /// 实际事件日志写入方法
9M[ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
DQN"85AIZ /// <param name="messageText">要记录的文本.</param>
w*Ze5j4@
\ /// </summary>
cn_KHz= private static void WriteLog(TraceLevel level, String messageText)
RBeQT=B8~ {
*ES"^N/88 try
>o"0QD {
?,Wm|xY EventLogEntryType LogEntryType;
UPuG&A#VV switch (level)
&:C(,`~ {
6se[>'5 case TraceLevel.Error:
G>2: WQ/ LogEntryType = EventLogEntryType.Error;
'Hq#9?<2M break;
tF!C'] case TraceLevel.Warning:
Oh=Kl3xs LogEntryType = EventLogEntryType.Warning;
c<)O#i@3/ break;
C !Lu`y case TraceLevel.Info:
w^ 8^0i- LogEntryType = EventLogEntryType.Information;
f1Gyl break;
gEq";B%? case TraceLevel.Verbose:
l2
#^}- LogEntryType = EventLogEntryType.SuccessAudit;
>lK:~~1 break;
GtqA@&5& default:
c#[d7t8ONe LogEntryType = EventLogEntryType.SuccessAudit;
g.Kyfs4` break;
!xC IvKW }
c=:A/z{ PtKrks|y EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
A$J?- //写入事件日志
v kW2& eventLog.WriteEntry(messageText, LogEntryType);
2s`~<EF N n#5 pd;!n }
7lQ:}& catch {} //忽略任何异常
&,=t2_n }
G"prq& } //class ApplicationLog
RjHKFB2 }
Z9I
?j1K|! .|J-(J<>[. 12.Panel 横向滚动,纵向自动扩展
>D$NEO^ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
ozG!OiRW M|'![]- 13.回车转换成Tab
==W] 1@s <script language="javascript" for="document" event="onkeydown">
[iG4qI if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
URxy*) event.keyCode=9;
Z7?-c </script>
Si[xyG6= uI&<H T? onkeydown="if(event.keyCode==13) event.keyCode=9"
IlP@a[:_ 0p \,}t\E 14.DataGrid超级连接列
wArtg'=X DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
[/eRc 'miY"L:| O 15.DataGrid行随鼠标变色
|Z{
DU(?[b private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
q;qY#wD@ {
JiHk`e` if (e.Item.ItemType!=ListItemType.Header)
eRwm>l"fVV {
^Ea^t.c}_ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
R)5zHCwOw e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
h<f]hJ`ep }
U3ao:2zP }
gl"1;C ~f!iz~ 16.模板列
R`emI7| <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
DWar3+u&0 <ITEMTEMPLATE>
0%hOB: <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
]g0\3A </ITEMTEMPLATE>
)XL}u4X </ASP:TEMPLATECOLUMN>
@D&}ZV=J ePwoza
<ASP:TEMPLATECOLUMN headertext="选中">
08 aZU <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
wWUt44:0O <ITEMTEMPLATE>
P}C;%KzA <ASP:CHECKBOX id="chkExport" runat="server" />
`Ot;KDz </ITEMTEMPLATE>
]^@!ID$c <EDITITEMTEMPLATE>
yBxWBW*e <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
nQ^<h. </EDITITEMTEMPLATE>
}Dc?Emb </ASP:TEMPLATECOLUMN>
;AK@Kb }c0EGoU}? 后台代码
zJa,kN|m protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
dWAKIBe {
1Igo9rv //改变列的选定,实现全选或全不选。
=L?(mNHT CheckBox chkExport ;
<gc\,P<ru if( CheckAll.Checked)
hiA%Tq? {
B<uUf)t foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
H$n{|YO ` {
N| L Ey chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
mg7Q~SLL{ chkExport.Checked = true;
9-?[%8 }
d365{ }
s+yX82Y else
} h0
) {
O
E56J-*}x foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
7|eD}=jy {
1k! xG$g0 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
_;]. chkExport.Checked = false;
Yy:Q/zwo }
%o9;jX }
~kAen }
\a6knd {Deg1V!x> 17.数字格式化
kdHP
v=/U $f^ \fa[ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
!@[@xdV <%#Container.DataItem("price","{0:¥#,##0.00}")%>
w-.=u3 m"Y|xvIA int i=123456;
BJi string s=i.ToString("###,###.00");
2K1odqO# K1K3s<y+ 18.日期格式化
OCVF+D : j4G?=oDb 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
;^j2>Azn $5)ZaYx< 显示为: 2004-8-11 19:44:28
HC*V\vz d,9YrwbD 我只想要:2004-8-11 】
)cX6o[oia <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
=5sUpPV( tu6Q7CjW8 应该如何改?
Q]}aZ4L d;D8$q)8Q 【格式化日期】
/"M7YPX; u.s-/ g 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
$zvqjT:> <U ?_-0 【日期的验证表达式】
ZiS<vWa3R TZ,kmk# A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
?!J{Mrdn ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
m
pWmExQ K8UgP?c;0 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
1$g]&' ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
K;wd2/jmJ ZzuEw 【大小写转换】
bQ"w%! HttpUtility.HtmlEncode(string);
`/mcjKQ&9y HttpUtility.HtmlDecode(string)
iYJzSVO do:3aP'S, 19.如何设定全局变量
)./%/
_*K i2EXE0; Global.asax中
xN +j]LC dm&vLQVS Application_Start()事件中
7]~65@%R-& 5`B!1 添加Application[属性名] = xxx;
qdFYf/y )NwIEk>Tf 就是你的全局变量
|hprk-R*OH Y4 Y;xK" 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
:u7y k@ "c6(=FFq HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
OBY Q( C\X 【ASPNETMENU】点击菜单项弹出新窗口
prC1<rm }!-K )j . 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
gt1W_C\ <?xml version="1.0" encoding="GB2312"?>
d +Vx:`tT <MenuData ImagesBaseURL="images/">
:{d?B$ <MenuGroup>
nSL
x1Q <MenuItem Label="内参信息" URL="Infomation.aspx" >
D4x~Vk%H <MenuGroup ID="BBC">
x*A_1_A <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
Ifm|_ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
8tM40/U$ ......
DJv;ed%x Olg@ Ri 最好将你的aspnetmenu升级到1.2版
{/x["2a1 APgP*, 21.读取DataGrid控件TextBox值
FBYAd@="2 foreach(DataGrid dgi in yourDataGrid.Items)
75t\= 6# {
M8
E8r
TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
?2b*FQe tb.Text....
HY,+;tf2r }
Z2]ySyt] "YUyM5X 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?
IQFt4{aK3 j7vp@l6`L 〖思归〗
L+}q !'8S <asp:TemplateColumn HeaderText="数量">
ptS1d$ <ItemTemplate>
EPQ~V <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
l;I)$=={= onkeyup="javascript:DoCal()"
6O^'J~wiI />
t$sL6|Ww}o S?W!bkfn <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
G &'eP </ItemTemplate>
6]%79?'A </asp:TemplateColumn>
a$7}_kb F
j_r
n <asp:TemplateColumn HeaderText="单价">
p:9)}y <ItemTemplate>
KB$s7S"= <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
lD;="b onkeyup="javascript:DoCal()"
S
aCa />
,7mRb-*p (Yzy;"iAu <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
*[Ld\lRj +X4O.6Mn </ItemTemplate>
OIK14D: </asp:TemplateColumn>
,r{[l D^ ps#+i <asp:TemplateColumn HeaderText="金额">
&R54?u^A <ItemTemplate>
s6(iiB%d <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
D{&0r.2F </ItemTemplate>
N`tBDl"ld </asp:TemplateColumn><script language="javascript">
c$)Y$@D function DoCal()
nDh]: t= {
D:9/;9V var e = event.srcElement;
bqwQi>^Cw var row = e.parentNode.parentNode;
-S]yXZ var txts = row.all.tags("INPUT");
A4,tv#z if (!txts.length || txts.length < 3)
8*nl Wl9qo return;
/YbyMj* Th&*
d; var q = txts[txts.length-3].value;
'/^bO# G: var p = txts[txts.length-2].value;
4~Ptn / g =)Cqjp if (isNaN(q) || isNaN(p))
ffuV158a& return;
PQ`p:=~>:i 7Vf2Qx1_ q = parseInt(q);
"T/
vE p = parseFloat(p);
289@O-
pu(a&0 txts[txts.length-1].value = (q * p).toFixed(2);
03ol!|X"9 }
as1ZLfN. </script>
(nk)'ur. D-7PO3F:F *x EcX6ZHX 93="sS &UhI1mi]h 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
@J~n$^ke page_load
:"+/M{qz page.smartNavigation=true
%RE-_~GF wD}ojA&DU 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 ?
D ];%Ey private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
,6,sz]3- {
3/P#2&jt for(int i=0;i<e.Item.Cells.Count-1;i++)
z~TG~_s if(e.Item.ItemType==ListItemType.EditType)
MB9tnGO-Q {
\atztC{-L> e.Item.Cells.Attributes.Add("Width", "80px")
BlF]-dF\ }
W\s
]qsLS }
j';V(ZY&BB 6#S}EaWf 26.对话框
i5 x[1 private static string ScriptBegin = "<script language=\"JavaScript\">";
LRO'o{4$E private static string ScriptEnd = "</script>";
MTZbRi6z $sDvE~f0n public static void ConfirmMessageBox(string PageTarget,string Content)
hlPZTr=a {
9Foo8e string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
)D
^.{70N XeD9RMT ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
$vNz^!zgV 2ZMYA=[! Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
W=v4dy]B ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
f\sxx!kt //Response.Write(strScript);
wYtL1D( }
`=A*ei5 c+l1#[Dnc 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
DPuz'e* Mp:/[%9Fi 1.1 取当前年月日时分秒
?Z-(SC currentTime=System.DateTime.Now;
!xs.[&u8 rixP[`!]x 1.2 取当前年
h+e Oe} int 年= DateTime.Now.Year;
si.A"\bm E DuLgg@ 1.3 取当前月
Qe=,EXf int 月= DateTime.Now.Month;
k!e \O> + 2|vArRKt 1.4 取当前日
>}#h int 日= DateTime.Now.Day;
&61;v@ 7Y$#*
7 1.5 取当前时
W2L: int 时= DateTime.Now.Hour;
D9H(kk
{R[FwB^7wJ 1.6 取当前分
<3dmY= int 分= DateTime.Now.Minute;
i6R2R8 e0O2>w 1.7 取当前秒
B4^+&B# int 秒= DateTime.Now.Second;
WvG0hts=[ cE}R7,y 1.8 取当前毫秒
z?$F2+f& int 毫秒= DateTime.Now.Millisecond;
{HKd="%VG G}aw{Vbg_ 28.自定义分页代码:
# Ny
WVc3C-h, 先定义变量 :
v?zA86d_ public static int pageCount; //总页面数
xaO9?{O public static int curPageIndex=1; //当前页面
TJ@@kSSbl Qq;` 9-&j 下一页:
8'Dp3x^W> if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
lWS@<j {
c"OBm# DataGrid1.CurrentPageIndex += 1;
aC0[ OmbG curPageIndex+=1;
s`*
'JM< }
fY@Y$S`Fh yjZ]_. bind(); // DataGrid1数据绑定函数
p<1z!`!P _@CY_`a 上一页:
;Ee!vqD2 if(DataGrid1.CurrentPageIndex >0)
u.(
WW(/N {
c$),/0td| DataGrid1.CurrentPageIndex += 1;
{6%vmMbJ curPageIndex-=1;
Fj\}&H*+ }
%,$Ms?,n` t3ua5xw bind(); // DataGrid1数据绑定函数
uP<w rlW 5urM,1SQ@ 直接页面跳转:
(vm&&a@ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
fMe "r*SU ugexkdgM if(a<DataGrid1.PageCount)
Xg:w;#r, {
*<k8H5z8] this.DataGrid1.CurrentPageIndex=a;
;K<e]RI;? }
F&US-ce:M fUQuEh5_ bind();
q[4{Xh \F]X!#&+ 29.DataGrid使用:
)(~s-x^\z@ c"BFkw 添加删除确认:
m(QGP\Ya private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
:0,q>w {
( zQ)EHRD foreach(DataGridItem di in this.DataGrid1.Items)
[:gPp)f, {
v3|-eWet^ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
;-p1z%
u {
SH>L3@Za ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
Az4+([ }
3R(GO.n=] }
8hWBTUN }
}
DY{> D> `>CHE'_ 样式交替:
fl| 8#\r ListItemType itemType = e.Item.ItemType;
C"bG?Mb TWF6YAQm if (itemType == ListItemType.Item )
RAMkTS {
n<
UuVu e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
5wM*(H^c[ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
juQ&v>9W) }
IC&xL9 else if( itemType == ListItemType.AlternatingItem)
<p"[jC2zF; {
5/j7 C> e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
hwF9LD~^ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
UhuEE }
3nb&Z_/e VW^6qf/, 添加一个编号列:
ConXP\M- DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
y,{=*2Yt DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
_@I8B C
Z8Fe$F for(int i=0;i<dt.Rows.Count;i++)
lSv?!2 {
2E~WcB dt.Rows["number"]=(i+1).ToString();
W.OcmA>x }
*Ag</g@ h ^Rr0)4ns DataGrid1.DataSource=dt;
Pw`26mB DataGrid1.DataBind();
O@;;GJ <a/TDW DataGrid1中添加一个CheckBox,页面中添加一个全选框
yOKpi&! r private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
shjc`Tqm {
5\RTy}w3x foreach(DataGridItem thisitem in DataGrid1.Items)
L:$kd `v[ {
KT1/PWa ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
K)z{R n }
6"@+Jz }
0* Ox>O> EBjSK/ 将当前页面中DataGrid1显示的数据全部删除
MB]8iy8 foreach(DataGridItem thisitem in DataGrid1.Items)
@Qw~z0PE<l {
v ~|~&Dwq if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
|l\&4/SJ {
-#0(Jm' string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
h2kba6rwk Del (strloginid); //删除函数
ovv<7` }
.FUws }
VO#x+u]/ D$C >ZF 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
D^cv
8 8< U5 X\RXy~ 在Application_Start中添加以下代码:
*1FDK{ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
^%(HZ'$wC AppSettings["ConnStr"].ToString();
f681i(q" l1 (6*+ 31. 变量.ToString()
0vN <0 zrt \]h+ 字符型转换 转为字符串
N ] KS\ 12345.ToString("n"); //生成 12,345.00
I'pOB 12345.ToString("C"); //生成 ¥12,345.00
7.7aHt0 12345.ToString("e"); //生成 1.234500e+004
~>C@n'\lv 12345.ToString("f4"); //生成 12345.0000
j8k5B" 12345.ToString("x"); //生成 3039 (16进制)
>b2j j+8 12345.ToString("p"); //生成 1,234,500.00%
Jg3OMUt FT.6^)- 32、变量.Substring(参数1,参数2);
-$W#bqvz^ Co|3k:I 8 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
0=N,y >eX&HS oy 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
&PY~m<F <SCRIPT language="javascript">
0$RZ~ <!--
}xZR`xP( function gook(pws)
+NML>g#F~z {
cd_\?7 frm.submit();
JbT+w\o }
#2*l"3.$.R //-->
P2HR4`c CPJ8G}4 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
a7?z{ssEi <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
=Uy;8et <tr>
<(YE_<F* <td>
ZJL8"(/R <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
_v~c3y). <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
+ucj>g1(# <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
G- _h 2 #G</RYM~m <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
"*08?KA <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
%6A."sePO <( "M;C3y </td>
Hzm<KQ
g ?D 8<}~Do </tr>
EPEy60Rx5
Xe ;Eu </form>
R]dN-'U N.\?"n 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。
jb0wP01R X<:B"rPuK 下面是获取用户输入的登陆信息的代码:
N, `q1B string name;
@zu IR0Gr) name=Request.QueryString["EmailName"];
TcW-pY<N 91I6-7# Xt try
Vq8 G( <77 {
zL8Z8eh"> int a=name.IndexOf("@",0,name.Length);
"LwLTPC2 f_user.Value=name.Substring(0,a);
'6^+|1 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
\"]KF8c^_ f_pass.Value=Request.QueryString["Psw"];
eBlWwUy*6f }
n ~c<[ E[Xqyp!< catch
0.pZlv {
SB1j$6]OR7 Script.Alert("错误的邮箱!");
;_$Q~X Server.Transfer("index.aspx");
-DVoO2|Dv }