1. 打开新的窗口并传送参数:
7*Gg#XQ>( f F9=zrW 传送参数:
)c0 Dofhg response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
phcYQqR :RX zqC 接收参数:
?[X^'zz} string a = Request.QueryString("id");
w[;5]z string b = Request.QueryString("id1");
5.U|CL 0*/[z~Z-1 2.为按钮添加对话框
QyEoWKu; Button1.Attributes.Add("onclick","return confirm(’确认?’)");
pc]( button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
+39p5O! $)jf 3.删除表格选定记录
l.SoiFDd int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
F^wm&:%{` string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
D'_w
* R6irL!akAd 4.删除表格记录警告
HAcC& s8 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
_GL:4 {
jQ P2[\ switch(e.Item.ItemType)
mx0EEU* {
8/CK(G case ListItemType.Item :
Fau24-g case ListItemType.AlternatingItem :
@aWd0e] case ListItemType.EditItem:
8SO(pw9 TableCell myTableCell;
" ,45p@ myTableCell = e.Item.Cells[14];
vSJ#
}& LinkButton myDeleteButton ;
/V>yF&p
myDeleteButton = (LinkButton)myTableCell.Controls[0];
`+T"^{
Z myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
6PRP&|.# break;
AUm5$;o,/ default:
&>Nw>V break;
|#O>DdKHT }
Uj)`(}r 5oY^;)\/ }
K!|J/W yRldPk_ 5.点击表格行链接另一页
_VLA2#V> private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
eh6=- {
^" UZ.@sq' //点击表格打开
`R_;n#3F0 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
2?(dS e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
5}'W8gV? }
Nb/Z + vqJq=\ .m 双击表格连接到另一页
N?mQ50o~C .arWbTR)~U 在itemDataBind事件中
GsNZr=;C if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
.vtV2lq {
/qPhptV string OrderItemID =e.item.cells[1].Text;
^qNr<Ye ...
c[4I> "w e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
E Ks4N4k }
%2`.*]L
D~t 双击表格打开新一页
WKONK;U+7 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
}Gh95HwE {
-h,?_d> string OrderItemID =e.item.cells[1].Text;
v4X)R
"jJ ...
)8JM.:, e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
@*5(KIeeC> }
kuo!}QFL 7toDk$jJRg ★特别注意:【?id=】 处不能为 【?id =】
eIt<da<G? 6.表格超连接列传递参数
7E\k97#G <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
OCbwV7q: <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
KWiP`h8 G Y+li{ 7.表格点击改变颜色
t,308Z if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
h=MEQ-3jg {
-~`)V`@ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
=]W[{@P this.style.color=’buttontext’;this.style.cursor=’default’;");
f2Z(hYH~ }
9%^O-8! ?4YLt|sn 写在DataGrid的_ItemDataBound里
\vqqs if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|sPUb;&~ {
v1\/ dQK e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
J42/S [Rt this.style.color=’buttontext’;this.style.cursor=’default’;");
Apc!!*7 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
. MH;u3U }
2 UPG8] \MB$ Cwc +W}6o3x~ 8.关于日期格式
VqnM>|| LHd9q^D 日期格式设定
x^)W}p" DataFormatString="{0:yyyy-MM-dd}"
NbUbLzE Eanwk` Rx 我觉得应该在itembound事件中
"{M?,jP# e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
v]hu5t hf< [$B 9.获取错误信息并到指定页面
@5*$yi 'Cp @k||gQqIB 不要使用Response.Redirect,而应该使用Server.Transfer
-s9()K(vZG Nd%j0lj e.g
j},3@TFh // in global.asax
t-)d*|2n}o protected void Application_Error(Object sender, EventArgs e) {
ygYy [IZ if (Server.GetLastError() is HttpUnhandledException)
jAy0k
Server.Transfer("MyErrorPage.aspx");
X
v$"B-j .g!K| c //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
ZFRKzPc
{V }
z2[{3Kd* cSYMnB 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
@k-iy-|3)
aS, 10.清空Cookie
7,5Bur Cookie.Expires=[DateTime];
CRPE:7,D Response.Cookies("UserName").Expires = 0
<,,X\>B FPukV^ 11.自定义异常处理
kt7x}F(?< //自定义异常处理类
EjP9/VG@= using System;
l9f%?<2D using System.Diagnostics;
|H>;a@2d 5Tq*]ZE namespace MyAppException
{_~vf {
ayQ2#9X} /// <summary>
'C)
v?!19 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
*g[MGyF" /// 自动将异常内容记录到Windows NT/2000的应用程序日志
%{&,5|8 /// </summary>
&6nLnMF8x public class AppException:System.ApplicationException
nfksi``Vq {
hd@jm^k public AppException()
3>mAZZL5[ {
CI^s~M > if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
>Et~h65d5 }
LpN3cy>U h}4yz96WD public AppException(string message)
1C(sBU" {
h`f $]_c LogEvent(message);
x.Tulo0/ }
y'(a:.%I T}59m;I public AppException(string message,Exception innerException)
"w3%BbI x {
(h'Bz6K LogEvent(message);
r0*Y~
KHw if (innerException != null)
iAZbh"I {
sq?js#C5 LogEvent(innerException.Message);
H:cAORLB }
%a']TX }
c/E'GG%Q% _RE;}1rb, //日志记录类
st)qw]Dn;Y using System;
i@mS8%|l using System.Configuration;
m}6Jdt'| using System.Diagnostics;
-`UOqjb]3 using System.IO;
"v/Yw'!
) using System.Text;
*U +<Hv`C using System.Threading;
&cwN&XBY ch33+~Nn namespace MyEventLog
$i%#fN {
{@hJPK8 /// <summary>
8J:=@X^} /// 事件日志记录类,提供事件日志记录支持
% _nmv /// <remarks>
D~ n-;T /// 定义了4个日志记录方法 (error, warning, info, trace)
R]3j6\ /// </remarks>
Yz#E0aTTA /// </summary>
d|>/eb.R public class ApplicationLog
`R!Q(rePx {
'3?-o|v@D /// <summary>
nf1O8FwRb /// 将错误信息记录到Win2000/NT事件日志中
WjOP2CVv| /// <param name="message">需要记录的文本信息</param>
$$i
Gs6az /// </summary>
e8S4=W public static void WriteError(String message)
[:+f Y[4== {
i6<uj WriteLog(TraceLevel.Error, message);
MV]`[^xQ5 }
2D/bMq Xyjd7" /// <summary>
),Hr /// 将警告信息记录到Win2000/NT事件日志中
3^5h:OaT /// <param name="message">需要记录的文本信息</param>
pog /// </summary>
NS-0-o|4# public static void WriteWarning(String message)
o2[$XONTl {
FmSE]et WriteLog(TraceLevel.Warning, message);
_qk
yU )z }
#x`K4f) |AS~sjWSJ /// <summary>
b[<L
l%K /// 将提示信息记录到Win2000/NT事件日志中
/B)2L]6p /// <param name="message">需要记录的文本信息</param>
"z*.Bk /// </summary>
?TJ4L/"(k6 public static void WriteInfo(String message)
}QBL{\E! {
Xk\IO0GF WriteLog(TraceLevel.Info, message);
=J|jCK[r }
BS(jC /// <summary>
0s79rJ /// 将跟踪信息记录到Win2000/NT事件日志中
&2S-scP /// <param name="message">需要记录的文本信息</param>
bM.$D-?dF* /// </summary>
Rh#`AM`)j public static void WriteTrace(String message)
oW^>J- {
5zh6l+S[ WriteLog(TraceLevel.Verbose, message);
X *EseC }
*,t/IA| _>ZC;+c? /// <summary>
suE8"v!sk /// 格式化记录到事件日志的文本信息格式
[5ncBY*A7 /// <param name="ex">需要格式化的异常对象</param>
uQ|LkL%<^ /// <param name="catchInfo">异常信息标题字符串.</param>
4ETHaIiWp /// <retvalue>
m#[9F']Z` /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
#+i:s92], /// </retvalue>
B):ZX# /// </summary>
LcB+L]( public static String FormatException(Exception ex, String catchInfo)
^+~5\c* {
cQ'x]u_ StringBuilder strBuilder = new StringBuilder();
3iUJ!gK if (catchInfo != String.Empty)
:s\zk^h? {
I L,l XB< strBuilder.Append(catchInfo).Append("\r\n");
v|KIVBkbT }
+r7hc;+G strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
]=9 d'WL return strBuilder.ToString();
%a|Qw(4\ }
oUO3,2bn &nwS7n1eb /// <summary>
pU'${Z~b /// 实际事件日志写入方法
]#W7-Q;] /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
/q}(KJX /// <param name="messageText">要记录的文本.</param>
m(o`; /// </summary>
{ ^^5FE)% private static void WriteLog(TraceLevel level, String messageText)
#!E`%'
s] {
nCQ".G try
E0/>E {
#-PMREgO EventLogEntryType LogEntryType;
u})*6 l. switch (level)
mln4Vl(l2M {
(>E/C^Tc% case TraceLevel.Error:
#d*0
)w LogEntryType = EventLogEntryType.Error;
({@"{ break;
5D2mZ/ case TraceLevel.Warning:
5gV,^[E-z LogEntryType = EventLogEntryType.Warning;
DBG0)=SHy break;
v9FR case TraceLevel.Info:
,]nRnI^ LogEntryType = EventLogEntryType.Information;
:y`LF< break;
\F-n}Z case TraceLevel.Verbose:
,|A6l?iV LogEntryType = EventLogEntryType.SuccessAudit;
?@Q0;LG break;
}EYmz/nN default:
:5$ErI LogEntryType = EventLogEntryType.SuccessAudit;
K C"&3 break;
{&XTa`C }
L)&^Pu Z,/^lg c, EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
l1|*(%p?X //写入事件日志
|&xaV-b9W eventLog.WriteEntry(messageText, LogEntryType);
pUS: HJk| 4`mf^Kf }
Ph%ylS/T{ catch {} //忽略任何异常
UJQTArf }
I'^XEl? } //class ApplicationLog
}st~$JsV1 }
I\1"E y mtkZF{3Jx 12.Panel 横向滚动,纵向自动扩展
M$Ui=GGq <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
"U"fsAc# ']fyD3N 13.回车转换成Tab
S.Kcb=;"L <script language="javascript" for="document" event="onkeydown">
8_w6% md if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
J%|; event.keyCode=9;
-:pVDxO </script>
]
Ok &%- /4OQx0Xmm onkeydown="if(event.keyCode==13) event.keyCode=9"
}!k?.(hpE 9H;Os:"\| 14.DataGrid超级连接列
*3E3,c8{A DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
[W{|94q X Db% - 15.DataGrid行随鼠标变色
R.2i%cU private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
n0gjcDHQ {
-?:8sv*X if (e.Item.ItemType!=ListItemType.Header)
lP)n$?u {
5+!yXkE^e e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
w'A *EWO e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
V6](_w! }
rir,|y, }
$xdo=4;| pfIK9>i 16.模板列
qdwo 2u <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
EtPB_!
+ <ITEMTEMPLATE>
/Dd x[P5p= <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
eY`9J4o ' </ITEMTEMPLATE>
37:tu7e~c </ASP:TEMPLATECOLUMN>
|v@_~HV Og1\6Q <ASP:TEMPLATECOLUMN headertext="选中">
F.x7/; <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Rf8ZH <ITEMTEMPLATE>
r>|S4O <ASP:CHECKBOX id="chkExport" runat="server" />
X_nbNql </ITEMTEMPLATE>
H7P}=YW". <EDITITEMTEMPLATE>
)quQI)Ym <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
HJJ)D E7; </EDITITEMTEMPLATE>
:UH*Wft1 </ASP:TEMPLATECOLUMN>
m<z?6VC U&:-Vf~& 后台代码
c(vi,U-hC protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
;`c:Law4 {
qi7*Jjk>90 //改变列的选定,实现全选或全不选。
j DEym&- CheckBox chkExport ;
B8T5?bl if( CheckAll.Checked)
EXjR&"R {
w5)KWeGa foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
"N_@q2zF {
/O$~)2^h chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Q.7X3A8 chkExport.Checked = true;
z1,#ma}. }
m(:R (K(je }
PWvT C`? else
~N| aCi-X {
bA Yp } foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
NX(IX6^y {
SeS ZMv chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*c/| / chkExport.Checked = false;
K"g{P }
i !sVQ(: }
>7X5/z }
4IB`7QJq .,(x7? 17.数字格式化
i$3#/*Y7_L jqj}j2
9 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
8KigGhY'ms <%#Container.DataItem("price","{0:¥#,##0.00}")%>
+/%4E % Pq35w#`! int i=123456;
_X<V`,
p string s=i.ToString("###,###.00");
5>CeFy --TH6j" 18.日期格式化
n%;t Va g(s}R ? 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
kO^ 2,B^OZmw 显示为: 2004-8-11 19:44:28
~Ni-}p Wt!;Y,1s 我只想要:2004-8-11 】
W^ask[46R <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
s5{H15 j!Ys/D 应该如何改?
SI%J+Y7 SJj_e- 【格式化日期】
.3Smqwm=Y ujX\^c 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
2++$ Ql/ 2fc+PE 【日期的验证表达式】
n]5Pfg|a 0{o 8-# A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
;YQ6X> ^((\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})))?$
Yu&\a?]\2 FU}- .Ki B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
X,o ]tgg= ^\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]))$
Gb Mu;CA 2y8FP# 【大小写转换】
;9=4]YZt HttpUtility.HtmlEncode(string);
G+C{_o#3 HttpUtility.HtmlDecode(string)
Ssa/;O2 ^dxy%*Z/ 19.如何设定全局变量
5qqU8I "4smW>f:% Global.asax中
e1bV& e2;=OoBK Application_Start()事件中
l<sWM$ez \B/( H)Cd* 添加Application[属性名] = xxx;
HQ4WunH2Y rvnm*e, 就是你的全局变量
{"|GV~ D,-L!P 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
;tD?a7 EmP2r*"rb HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
P:XX8 [ CU8%%7 【ASPNETMENU】点击菜单项弹出新窗口
1_}k)(n ih:%U 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
j}jU.\*v< <?xml version="1.0" encoding="GB2312"?>
+'` ^ N <MenuData ImagesBaseURL="images/">
{=R
vFA <MenuGroup>
OQuTM[W <MenuItem Label="内参信息" URL="Infomation.aspx" >
'e
x/IqbK <MenuGroup ID="BBC">
T[0CD'|E <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
"6?Y$y/wm <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
rHjR 4q ......
T z+Y_ MI8c>5? 最好将你的aspnetmenu升级到1.2版
NH1|_2 n=!5ha%#N 21.读取DataGrid控件TextBox值
)s 1
Ei9J foreach(DataGrid dgi in yourDataGrid.Items)
V-i:t,*lk( {
Hpp;dG TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
2PSv3?". tb.Text....
SnO,-Rg }
Qej<(:J5 uA%F0oM 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?
XT==N-5, Gn10)Uf8X 〖思归〗
A#79$[>w <asp:TemplateColumn HeaderText="数量">
N *n?hN <ItemTemplate>
><6g-+*k <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
%=v<3 onkeyup="javascript:DoCal()"
2fUz}w ( />
oX/#Mct{s ju"j?2+F <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
\WVY@eB </ItemTemplate>
! -gOqo </asp:TemplateColumn>
0R,Y[).U sD<8-n <asp:TemplateColumn HeaderText="单价">
rIH+X2x <ItemTemplate>
mP)im]H <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
o`ODz[04 onkeyup="javascript:DoCal()"
4Gy3s|{ />
hA"z0Fszh ue}lAW{q <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
jin?;v 0L7^Vr) </ItemTemplate>
D4GXZX8K </asp:TemplateColumn>
D2#.qoP # :4238J8 <asp:TemplateColumn HeaderText="金额">
."v&?o
Ck] <ItemTemplate>
ou&7v<)x4 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
kca Y </ItemTemplate>
gi\UNT9x </asp:TemplateColumn><script language="javascript">
K9'AYFse function DoCal()
hN:2(x {
FkoN+\d var e = event.srcElement;
v|>'m#Ln2 var row = e.parentNode.parentNode;
jZ69sDhE var txts = row.all.tags("INPUT");
qjvIp- if (!txts.length || txts.length < 3)
v#KE"m return;
2)
A$bx ga91#NWgK var q = txts[txts.length-3].value;
X_I.f6v{ var p = txts[txts.length-2].value;
g\,HiKBXd ?DJ,YY9P if (isNaN(q) || isNaN(p))
( e(<4-& return;
%G~%:uJ5 =CO#Q$ q = parseInt(q);
((_v>{ p = parseFloat(p);
4T#Z[B[ TWQ{,
B txts[txts.length-1].value = (q * p).toFixed(2);
>E(IkpZ }
B3Esfk </script>
P1QGfp0-J UBy:W^\g 8c'E JSiLG0 QGd"Z lQ 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。
'^M3g-C[Jg page_load
b*qC page.smartNavigation=true
5fa_L'L# {R.@EFkZ 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 ?
*,__\/U98 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
~ +z'pK~c {
eTa[~esu. for(int i=0;i<e.Item.Cells.Count-1;i++)
[ 5kaF" if(e.Item.ItemType==ListItemType.EditType)
<?iwi[S {
*YY:JLe e.Item.Cells.Attributes.Add("Width", "80px")
-n$fh::^ }
r`/tb^ }
xo_Es? %!1:BQ,p,i 26.对话框
+EgQj*F* private static string ScriptBegin = "<script language=\"JavaScript\">";
!~k-Sexh private static string ScriptEnd = "</script>";
niN$!k+Jr )Ikx0vDFQ public static void ConfirmMessageBox(string PageTarget,string Content)
^?tF'l` {
>U$,/_uMNW string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
[&FWR M0% ):P?x ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
xpVYNS{c+| $
V"7UA22 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
~A=Z/46*Z ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
;HaG-c</ //Response.Write(strScript);
O ijG@bI8 }
*tT}y(M %.D@{O 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
r0\cgCn ~3 z10IG 1.1 取当前年月日时分秒
v
~%6!Tr currentTime=System.DateTime.Now;
sL tsvH# kST 1.2 取当前年
R:v`\ int 年= DateTime.Now.Year;
1)M>vdrP Ye_)~,{,p 1.3 取当前月
5ff66CRw int 月= DateTime.Now.Month;
# 1,(I a4! AvG 1.4 取当前日
EkqsE$52 int 日= DateTime.Now.Day;
&sQtS `W[oLQ 1.5 取当前时
]7^YPFc+ int 时= DateTime.Now.Hour;
ef!V EtEOv .HG0%Vp 1.6 取当前分
,Tyh._sa int 分= DateTime.Now.Minute;
~Hs a6F&F ~z!U/QR2 1.7 取当前秒
_,;c2 int 秒= DateTime.Now.Second;
!W8'apG&[ rf8`|9h"7 1.8 取当前毫秒
"sRR:wzQu int 毫秒= DateTime.Now.Millisecond;
{E`f(9r: A:ef}OCL 28.自定义分页代码:
P Z;O
pp 7@Qz 先定义变量 :
S-:l
60. public static int pageCount; //总页面数
T;}pMRd% public static int curPageIndex=1; //当前页面
|S:St HZm h^bbU. 下一页:
kf$0}T` if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
*, o)` {
J%_
:A" DataGrid1.CurrentPageIndex += 1;
'on, YEp curPageIndex+=1;
6?ylSQ]1 }
OY6lt.t *Oo2rk nQ bind(); // DataGrid1数据绑定函数
c X553& b07 MTDFH7 上一页:
Y]nY.5irL if(DataGrid1.CurrentPageIndex >0)
qGgT<Rd~1 {
Zcv1%hI DataGrid1.CurrentPageIndex += 1;
e?G] fz curPageIndex-=1;
?+b )=Z }
>+fet , ?!~CX`eMZ bind(); // DataGrid1数据绑定函数
(Y!@,rKd a3037~X 直接页面跳转:
#f~#38_ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Uw][ U Ohnd:8E if(a<DataGrid1.PageCount)
&}%3yrU {
h 5ST`jZ this.DataGrid1.CurrentPageIndex=a;
aBT|Q@Y. }
\=4[v-3H p}}o#a~V), bind();
-2mm
5E~N QE$sXP7&u 29.DataGrid使用:
y%\kgWV HkEfBQmh 添加删除确认:
_Y*]'?g` private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Q5/".x^@ {
5B@+$D[0?3 foreach(DataGridItem di in this.DataGrid1.Items)
4 ?,N;Q {
+=^10D if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
a4L8MgF&$- {
$v+Q~\' ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
L*1C2EL/q }
`(EY/EsY }
=\?KC)F*e }
~k4S~!(U0 ,)nO 样式交替:
SV}I+O_w ListItemType itemType = e.Item.ItemType;
W :jC2,s!m WeE>4>^ if (itemType == ListItemType.Item )
,Rk;*MEMJ {
c63DuHA*C e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Y|g8xkI}XB e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
'$PiyM|V }
Qhsh{muw( else if( itemType == ListItemType.AlternatingItem)
/A4zR {
4E}/{1 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
9#iu#?*B e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
diGPTV-?$ }
ub6=^`>h ;dNKe.`Dg 添加一个编号列:
cRK1JxU DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
[GX5jD# DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
4}Y2
B$ _1f!9ghT\ for(int i=0;i<dt.Rows.Count;i++)
\SS1-UbL {
<|~X,g;f dt.Rows["number"]=(i+1).ToString();
sME3s- }
U`D/~KJ{Y G@ XKE17 DataGrid1.DataSource=dt;
_K3?0<=4 DataGrid1.DataBind();
NSUw7hnWvz k/?5Fs!# DataGrid1中添加一个CheckBox,页面中添加一个全选框
lphQZ{8 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
a1_7plg {
OW\r } foreach(DataGridItem thisitem in DataGrid1.Items)
gh|TlvnA {
m@R!o ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
)Y+n4UL3NK }
c%yhODq/ }
%,E\8{I+
PW x9CT 将当前页面中DataGrid1显示的数据全部删除
+;tXk
foreach(DataGridItem thisitem in DataGrid1.Items)
U@!e&QPn {
+LCpE$H if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
F?? })YX {
o
nt8q8 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
D$+9` Del (strloginid); //删除函数
T$)&8"Xya }
+6-c<m| }
nxkbI:+t H[UV]qO, 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
-uXf?sTV D.9qxM"Z> 在Application_Start中添加以下代码:
W~z
2Q
so Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
+hI:5(_ AppSettings["ConnStr"].ToString();
Va"Q1 *" fgK1+sW 31. 变量.ToString()
Pk !RgoWF D |kdk;Xv 字符型转换 转为字符串
EaaQC]/OX5 12345.ToString("n"); //生成 12,345.00
85+'9#~! 12345.ToString("C"); //生成 ¥12,345.00
_SC{nZ[ 12345.ToString("e"); //生成 1.234500e+004
A}v!vVg 12345.ToString("f4"); //生成 12345.0000
*]NG@^y 12345.ToString("x"); //生成 3039 (16进制)
;fw}<M!6 12345.ToString("p"); //生成 1,234,500.00%
lk]q\yO_% eW,{E)x: 32、变量.Substring(参数1,参数2);
/]zn8d VAX@'iZr 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
ul$k xc=N AI0YK"c? 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)
m r"b/oM{ <SCRIPT language="javascript">
Z:9xf:g* <!--
o{7wPwQ;* function gook(pws)
n@xC?D:t* {
Oo^kV:.) frm.submit();
MwbXZb{#"= }
<ZO"0oz% //-->
f]%:.N~1w =jXBF. </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
jYDpJ##Zb <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
q{T[|(! <tr>
f?vbIc` <td>
@lpo$lN0R <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
OSreS5bg <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
-5vg"|ia, <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
AX($LIy9P g27 iE <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
E/[>#%@i <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
q@k/"ee*? }z%fQbw </td>
tQ =3Oa[u 'EzKu~* </tr>
'KvSI=$ )!z4LE </form>
T_iX1blrgh kNq>{dNRx 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。
|H-%F?<{ b9nTg 下面是获取用户输入的登陆信息的代码:
1eHU!{<fqm string name;
Zp8\n: name=Request.QueryString["EmailName"];
o%3i(H >7g #e,d try
y5/frJ {
6mp8v`b int a=name.IndexOf("@",0,name.Length);
#+CH0Z f_user.Value=name.Substring(0,a);
sgYPR f_domain.Value=name.Substring(a+1,name.Length-(a+1));
gOiZ8K! f_pass.Value=Request.QueryString["Psw"];
ZHu"&& }
`1Ui ;] v{3m catch
|5il5UP {
7v'aw"~ Script.Alert("错误的邮箱!");
Qa`+-Wu8 Server.Transfer("index.aspx");
U{1%ldOJ% }