1. 打开新的窗口并传送参数:
^aMg/.j ,o{9$H5{ 传送参数:
*:YiimOY" response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
DiScFx|rE KRLQ #,9 接收参数:
3yY}04[9< string a = Request.QueryString("id");
(GuzN string b = Request.QueryString("id1");
>#;.n(y BNl5!X^{ 2.为按钮添加对话框
;%5N%0, Button1.Attributes.Add("onclick","return confirm(’确认?’)");
VT%NO'0 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
/W30~y ?)?Ng} 3.删除表格选定记录
;|5F[ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
zh`<WN&H string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
wj<6kG /y#f3r+*2 4.删除表格记录警告
[f-?ymmT private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
mpEK (p {
n Fg~< $d switch(e.Item.ItemType)
!/*\}\'4 {
N/'b$m5=
S case ListItemType.Item :
sw oQ' case ListItemType.AlternatingItem :
BB$>h} case ListItemType.EditItem:
[0[i5'K: TableCell myTableCell;
D/B8tf+V myTableCell = e.Item.Cells[14];
eRstD>r LinkButton myDeleteButton ;
uk]$#TV*q> myDeleteButton = (LinkButton)myTableCell.Controls[0];
vnt%XU,,Y myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
5 +YH.4R break;
"3"V3w default:
N1S{suic break;
vq0Tk
bzs }
KKPh~ThC qIE9$7*X }
[nG<[<0G; c|B('3h 5.点击表格行链接另一页
eIEeb,#i private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
]G=L=D^cK {
UWJ8amA //点击表格打开
J+DDh=% if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
m6K}|j e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
6NuD4Ga }
_LUhZlw K.nHii 双击表格连接到另一页
,RI Gc US VUGmi]qd 在itemDataBind事件中
I-)+bV
G if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
l0w]`EE {
m@F`!qY~Y\ string OrderItemID =e.item.cells[1].Text;
|A9F\A->4 ...
"]x'PI 4J e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
5iw<>9X* }
PfD.:amN7 ~i{(<.he 双击表格打开新一页
TG?brgW if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
e/&{v8Hmb {
]BZA:dd.G string OrderItemID =e.item.cells[1].Text;
*NaB#;+|k` ...
=tn)}Y.<e e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
0c]/bs{} }
vY}g<* t?&|8SId ★特别注意:【?id=】 处不能为 【?id =】
c?*=|}N 6.表格超连接列传递参数
k[YS8g-Q <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
KVaiugQ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
[z\$?VJspQ 2'\H\| 7.表格点击改变颜色
?V.cOR`6 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
w\u=)3qyVV {
8)3*6+D e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
-%CP@dAk this.style.color=’buttontext’;this.style.cursor=’default’;");
tBWrL{xLe }
P [ck84F/ (vnAbR#e 写在DataGrid的_ItemDataBound里
b<ZIWfs if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
PO^ij2eS {
uEP*iPLD@ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
"ycJ:Xv49 this.style.color=’buttontext’;this.style.cursor=’default’;");
^j7Vt2- e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
t+G#{n }
A#<? 4& (Q!}9K3 .},'~NM] 8.关于日期格式
7#a-u<HF" F4z{LhZ 日期格式设定
\fdv]f DataFormatString="{0:yyyy-MM-dd}"
@)M9IOR : /N0!&7 我觉得应该在itembound事件中
/NFj(+&g+ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Fb>?1i`RN 1{.|+S Z! 9.获取错误信息并到指定页面
70nqD>M4 GPudaF{ 不要使用Response.Redirect,而应该使用Server.Transfer
X-Kh(Z 2(+2+} e.g
"|
g>'wM* // in global.asax
9YyLf ; protected void Application_Error(Object sender, EventArgs e) {
At>DjKx]O if (Server.GetLastError() is HttpUnhandledException)
vWv" Server.Transfer("MyErrorPage.aspx");
rfJz8uF% $6 9&O //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
.
iI }
XFpjYwn {9pZ)tB 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
[kB7@o UHkMn 10.清空Cookie
M h}m;NI Cookie.Expires=[DateTime];
gO- _ Response.Cookies("UserName").Expires = 0
pa3{8x{9m OLGE !&!> 11.自定义异常处理
7U"g3a)= //自定义异常处理类
itP,\k7>d using System;
*#|&JIEsi using System.Diagnostics;
783,s_ p38-l'{# namespace MyAppException
JR21>;l#2 {
HM1Fz\Sf /// <summary>
q~o<*W /// 从系统异常类ApplicationException继承的应用程序异常处理类。
:\c ^*K(9 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
ie95rZp /// </summary>
a#k6&3m& public class AppException:System.ApplicationException
P|E| $)m {
6;d*r$0Fc public AppException()
1(R}tRR7 R {
ZvX*t)VjTz if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
*OsQ}onv }
_6hQ %hv8 BwpqNQN public AppException(string message)
MKk\
u9 {
B dfwa LogEvent(message);
;xj?z\=Pg }
|SSSH
/C:gKy4
public AppException(string message,Exception innerException)
: *#- %0 {
o5PO=AN LogEvent(message);
9Q.Yl&A if (innerException != null)
vn8aFA {
my1@41
H LogEvent(innerException.Message);
)dw'BNz5hT }
*:7rdzn }
}R2u@%n{ J]'zIOQ //日志记录类
^uc=f2=>, using System;
{}n^cq using System.Configuration;
iWkWR"ysy using System.Diagnostics;
|YWD8 + using System.IO;
adcE'fA<_ using System.Text;
EME|k{W using System.Threading;
{S)6;|ua' n( yn< namespace MyEventLog
Ll't>) {
YkSl^j[DHs /// <summary>
+Kc /// 事件日志记录类,提供事件日志记录支持
&r/Mi% /// <remarks>
nR~@#P\ /// 定义了4个日志记录方法 (error, warning, info, trace)
T?0eVvM /// </remarks>
(5YM?QAd /// </summary>
vA{-{Q public class ApplicationLog
(%6P0* {
Nai2W<, /// <summary>
9.-S(ZO /// 将错误信息记录到Win2000/NT事件日志中
rs[T=C Q /// <param name="message">需要记录的文本信息</param>
;[DU%f /// </summary>
zC!t;*8a public static void WriteError(String message)
$h"\N$iSq
{
9cF[seE"0 WriteLog(TraceLevel.Error, message);
]%H`_8<gc }
>tr}|> tDcT%D {: /// <summary>
q<|AZ2Ai /// 将警告信息记录到Win2000/NT事件日志中
#trK^( /// <param name="message">需要记录的文本信息</param>
(?c"$|^J /// </summary>
Rhs/3O8k public static void WriteWarning(String message)
7n<{tM {
!Ai@$tl[S WriteLog(TraceLevel.Warning, message);
j,eo2HaL }
FW4<5~'
q]-r@yF /// <summary>
3nQ`]5.Q
w /// 将提示信息记录到Win2000/NT事件日志中
#c!lS<z /// <param name="message">需要记录的文本信息</param>
Qw*|qGvy^ /// </summary>
C&%_a~ public static void WriteInfo(String message)
{VRf0c {
"KpGlY?^ WriteLog(TraceLevel.Info, message);
H7n>Vx:L- }
Q)h(nbbVak /// <summary>
C1)!f j= /// 将跟踪信息记录到Win2000/NT事件日志中
k y7Gwc /// <param name="message">需要记录的文本信息</param>
1))8
A@, /// </summary>
vk^xT public static void WriteTrace(String message)
H1./x6Hr {
1Pu~X
\sO WriteLog(TraceLevel.Verbose, message);
lL3U8}vn }
*g2x%aZWbG Jnov<+ /// <summary>
T8$y[W-c /// 格式化记录到事件日志的文本信息格式
A;M'LM- M /// <param name="ex">需要格式化的异常对象</param>
u6JM]kR /// <param name="catchInfo">异常信息标题字符串.</param>
V)25$aKW7 /// <retvalue>
Svmy(w~m /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Y$_B1_ /// </retvalue>
|Rk@hzM2S /// </summary>
0GeTSFj public static String FormatException(Exception ex, String catchInfo)
WOap+ {
GD$l||8 StringBuilder strBuilder = new StringBuilder();
)y$(AJx$ if (catchInfo != String.Empty)
46h<,na?, {
qX{+oy5 strBuilder.Append(catchInfo).Append("\r\n");
F JyT+ }
m{HS0l' strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
UCj ld return strBuilder.ToString();
xb8!B }
`|q(h Ow2 ~]2K^bh8& /// <summary>
+ ePS14G /// 实际事件日志写入方法
kxv1Hn"`{E /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
.ioEIs g /// <param name="messageText">要记录的文本.</param>
hwv/AnX~O /// </summary>
R\[e!g*I private static void WriteLog(TraceLevel level, String messageText)
a:w#s}bL {
j#ab_3xH try
Km$\:Xo {
9%9#_?RW EventLogEntryType LogEntryType;
bk[!8-b/a switch (level)
NzvXN1_% {
k<?b(&`J case TraceLevel.Error:
dy[X3jQB LogEntryType = EventLogEntryType.Error;
(sZ"iGn% break;
(4nq>;$3 case TraceLevel.Warning:
ckCE1e>s LogEntryType = EventLogEntryType.Warning;
D0f] $ break;
J|7 3.&B case TraceLevel.Info:
>hIu2jm LogEntryType = EventLogEntryType.Information;
3bI9Zt#J%& break;
es7=%!0 case TraceLevel.Verbose:
&oMh]Z*: LogEntryType = EventLogEntryType.SuccessAudit;
"w<#^d_6 break;
R:qW;n%AF default:
ZN0P:== LogEntryType = EventLogEntryType.SuccessAudit;
~P-mC@C break;
|FRg\#kf% }
[nq@m c~< v]UwJz3< EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
(ToUgVW1N //写入事件日志
xAm6BB
c eventLog.WriteEntry(messageText, LogEntryType);
Ny/MJ#Lq $F.a><1rY }
)^hbsMhO catch {} //忽略任何异常
#RLt^$!H }
(TM,V!G+U~ } //class ApplicationLog
C0Z=~Q% }
[:*)XeRK _+MJ%'>S 12.Panel 横向滚动,纵向自动扩展
ns4,@C$ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
I>$&-i OY({.uV dX 13.回车转换成Tab
FS1z`wYP <script language="javascript" for="document" event="onkeydown">
E]r?{t`] if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
w0unS`\4 event.keyCode=9;
|R:'\+E </script>
YS_;OFsd dPRra{ onkeydown="if(event.keyCode==13) event.keyCode=9"
Wd
ELV3 *LY8D<:zs 14.DataGrid超级连接列
Z;"vW!%d DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
f|(M.U- 6Kz,{F@ 15.DataGrid行随鼠标变色
x,'!gT:j private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
\~ wMfP8 {
$ ocdI5 if (e.Item.ItemType!=ListItemType.Header)
9lE_nc {
klhtKp_p e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
F:DrX_O% e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
_)-o1`*- }
FpU>^'2] }
d #wVLmKZ q@2siI~W 16.模板列
f*8DCh!r" <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
/Z4et'Lo <ITEMTEMPLATE>
?aMOZn? <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
d/@,@8: </ITEMTEMPLATE>
<OPArht </ASP:TEMPLATECOLUMN>
L}NSR }<:}XlwT% <ASP:TEMPLATECOLUMN headertext="选中">
/qw.p# <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
,2ar7
5Va <ITEMTEMPLATE>
1h5 Akq <ASP:CHECKBOX id="chkExport" runat="server" />
C7AUsYM </ITEMTEMPLATE>
5F"jkd+ <EDITITEMTEMPLATE>
9N3eN <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
d'sZxU </EDITITEMTEMPLATE>
kcxAd </ASP:TEMPLATECOLUMN>
x,V r=FB )`D:F>p* 后台代码
2J;g{95z protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
SgOheN- {
*8XEYZa //改变列的选定,实现全选或全不选。
@KAI4LP CheckBox chkExport ;
#.[k=dj if( CheckAll.Checked)
3;Fhg!ZO {
vvOV2n.WD foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
9nbLg5P {
zx7{U8*`< chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
&kw@,];4Z chkExport.Checked = true;
&+R?_Ooibk }
ehY5!D1Q }
Rlirs-WQ else
:Ux_qB {
ct}9i"H#1 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
"zy7C*)>r {
#LOwGJ$yVz chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
cN9t{.m chkExport.Checked = false;
1-QS~)+ }
.%QXzIa3F }
CJI~_3+K }
W@!S%Y9 ,7b[!#?8 17.数字格式化
OZ!^ak 4E?Oky#}- 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
6LZ;T.0o <%#Container.DataItem("price","{0:¥#,##0.00}")%>
S21,VpW\ t0?\l) int i=123456;
POR\e|hRT] string s=i.ToString("###,###.00");
L j$;:/G \nqS+on] 18.日期格式化
G*v,GR ?0xgRe< 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
&jr3B;g!C KY]C6kh 显示为: 2004-8-11 19:44:28
N,U8YO ;jTN| i' 我只想要:2004-8-11 】
7"xd1l?zz <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
6S\8$ {FTqu. 应该如何改?
nt.y
!k WOf 4o 【格式化日期】
]M'=^32 L&OwPd 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
61
~upQaR t&Og $@ 【日期的验证表达式】
BL58] P84 RzusNS A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
$u6
3]rypm ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
'[O;zJN; h `.& f B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
y18Y:)DkL ^\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]))$
&G$Ucc
` 9]@!S|1 【大小写转换】
P
L+sR3bR HttpUtility.HtmlEncode(string);
s&J]zb` HttpUtility.HtmlDecode(string)
R_xRp&5 .w,q0<} 19.如何设定全局变量
HE_8(Ms;8 Vs{|xG7WD Global.asax中
v74&BL]a G 9vpt M Application_Start()事件中
G9@0@2aY8 *k>n<p3dd 添加Application[属性名] = xxx;
Q)z8PQl O BDZ?Ez\Sg 就是你的全局变量
xi;`ecqS< RY*U"G0#w 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
5i{j' {_(8 EDs\,f} HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
_t}WsEQ+P B48={ 【ASPNETMENU】点击菜单项弹出新窗口
,wdD8ZT'Ip hwNf~3eJk 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
h3@v+Z<} <?xml version="1.0" encoding="GB2312"?>
t<?,F <MenuData ImagesBaseURL="images/">
P}`H ~N~ <MenuGroup>
B^jc3 VsR <MenuItem Label="内参信息" URL="Infomation.aspx" >
fa2kG&, _ <MenuGroup ID="BBC">
S`m]f5u| <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
U|j`e5) <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
"8zDbdK ......
^L&iR0 , SnSW-P 最好将你的aspnetmenu升级到1.2版
G;XxBA 63x?MY6 21.读取DataGrid控件TextBox值
'>C5-R:O foreach(DataGrid dgi in yourDataGrid.Items)
yJe>JK~) {
u08mqEa TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
njA#@fU tb.Text....
Nu~lsWyRI5 }
T37XBg H Hg (Gl 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
TrR8?- _/<x 〖思归〗
j^2j&Ta <asp:TemplateColumn HeaderText="数量">
{+Cy U!O <ItemTemplate>
QoH6 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
@49S` onkeyup="javascript:DoCal()"
0Pi:N{x8 />
&~U ] ~;@ N_q|\S>t/ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
%3''}Y5
</ItemTemplate>
P J[`| </asp:TemplateColumn>
R0 K@w{"7} <asp:TemplateColumn HeaderText="单价">
_``=cc <ItemTemplate>
>t_6B~x9 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
,UdVNA onkeyup="javascript:DoCal()"
x.R4%Z />
Y% 5eZ=z ZO$%[ftb <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
jsi!fx2Rm "|KP'<8% </ItemTemplate>
w_u\sSQ`! </asp:TemplateColumn>
OJy#w{4
kX2rp?{ <asp:TemplateColumn HeaderText="金额">
BsYa3d=} <ItemTemplate>
@cB$iP=Z4 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
~z;FP$U </ItemTemplate>
O463I.XAP </asp:TemplateColumn><script language="javascript">
-v|qZ' function DoCal()
zjoq6 {
gEE\y{y var e = event.srcElement;
Qv/=&_6 var row = e.parentNode.parentNode;
*<ewS8f*6 var txts = row.all.tags("INPUT");
*$ %a:q1U if (!txts.length || txts.length < 3)
UByv?KZi return;
]- QA'Lq ,:\|7 F var q = txts[txts.length-3].value;
TT3|/zwn var p = txts[txts.length-2].value;
\d$!a5LF} mF^v ~ if (isNaN(q) || isNaN(p))
_n>,!vH return;
AbmAKA@ EG |A_m85 q = parseInt(q);
wz ~d(a# p = parseFloat(p);
PBkt~=j ,{?%m6.lE txts[txts.length-1].value = (q * p).toFixed(2);
tT?cBg{ }
vn"{I&L+w0 </script>
!ff&W1@ $(>+VH`l R`^_(yn> hSyql N7R!C)!IL 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。
F6flIG&h page_load
i5,kd~%O page.smartNavigation=true
>[=^_8M 9j:"J` ' 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 ?
C#Iybg private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
)gy!GK {
HEc+;O1< for(int i=0;i<e.Item.Cells.Count-1;i++)
XFV!S#yEZ if(e.Item.ItemType==ListItemType.EditType)
)
M BQuiL {
w%BL e.Item.Cells.Attributes.Add("Width", "80px")
M} v/tRI }
|64~K\X }
YcK|.Mq': }s<4{:cv+ 26.对话框
:T
!'N\7 private static string ScriptBegin = "<script language=\"JavaScript\">";
2Dj%,gaR private static string ScriptEnd = "</script>";
:@A9](gI
yhA6i public static void ConfirmMessageBox(string PageTarget,string Content)
M%;hB*9 {
2u*KM`fa` string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
LvUj9eVb/L 9.B
KI/ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
oc0G| A` o8'+`C Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
PGV/ h ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
CooQ>f //Response.Write(strScript);
^iw'^6~ }
Jidwt$1l( P:]^rke~& 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
j*TYoH1 __GqQUQ 1.1 取当前年月日时分秒
VUR |OV% currentTime=System.DateTime.Now;
|02gup qqi pYZ6e_j1~ 1.2 取当前年
'o>B'$ int 年= DateTime.Now.Year;
-"60d
@. H6 HVu | 1.3 取当前月
@eIJ]p int 月= DateTime.Now.Month;
q\p:X"j| tQYM&6g 1.4 取当前日
+@k+2?]
FO int 日= DateTime.Now.Day;
eu|;eP-+d 6wECo 1.5 取当前时
!s?nJ(p int 时= DateTime.Now.Hour;
I(7NQ8Hx VYImI>.t{ 1.6 取当前分
Ob`d int 分= DateTime.Now.Minute;
!AfHk| /F'sb[ 1.7 取当前秒
1rF]yi:X int 秒= DateTime.Now.Second;
Zu("#cA.H xx9 g''Q 1.8 取当前毫秒
$#pPZ int 毫秒= DateTime.Now.Millisecond;
KRMQtgahc ;{tj2m, 28.自定义分页代码:
x%!s:LVX f-G:uI_ 先定义变量 :
F Yzi~L public static int pageCount; //总页面数
3!oi +_ public static int curPageIndex=1; //当前页面
dD|OSB7I7 ^pF&`2eD 下一页:
P?B;_W+~A. if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
LKOwxF#TKT {
P0j8- I DataGrid1.CurrentPageIndex += 1;
p(`6hWx curPageIndex+=1;
~T,c"t2 }
Xe:jAkDp Df<xWd2 bind(); // DataGrid1数据绑定函数
(I{rLS!o,L ZE=Sp=@)j 上一页:
K<qk.~
S if(DataGrid1.CurrentPageIndex >0)
+:!7L=N# {
27O|).yKX DataGrid1.CurrentPageIndex += 1;
@H7d_S curPageIndex-=1;
jun_QiU:2 }
_Wq cacr=iX bind(); // DataGrid1数据绑定函数
%'7lbpy,f WR yaKM 直接页面跳转:
yiC^aY=- int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
{rH@gz|@i :L RYYw if(a<DataGrid1.PageCount)
92x(u%~E {
hYNY"VB this.DataGrid1.CurrentPageIndex=a;
k_5L4c:" }
q?DTMKx v}O30wE bind();
vK\%%H Y^7$t^& 29.DataGrid使用:
]X5 9 au+kNF|Q 添加删除确认:
vV6I0 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
jW3!6*93 {
Xr$J9*Jk- foreach(DataGridItem di in this.DataGrid1.Items)
eWtZ]kB {
-vR5BMy= if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
'\ey<}?5V {
A1D^a, ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
9m<jcxla$ }
%gyLCTw }
y 4I6 }
Q$1bWUS& Raxrb=7 样式交替:
iAa.}CI,zB ListItemType itemType = e.Item.ItemType;
^*8G8'k;$ 4C-jlm)V if (itemType == ListItemType.Item )
3z)Kz*xr {
UA8GL D9 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
3U.88{y e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
&U
raUl }
P&)xz7wG else if( itemType == ListItemType.AlternatingItem)
1H@>/QC {
+"cq(Y@ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
(k) l=]`} e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
o-{[|/)Tk }
Ov4y%Pj o(
RG-$ 添加一个编号列:
-o[x2u~n\ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
=;3Sx::= DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
?_$=l1vf y?m/*hh` for(int i=0;i<dt.Rows.Count;i++)
m-*i>4; {
];a=Pn-:}G dt.Rows["number"]=(i+1).ToString();
l@ H }
Y/>&0wj)d X4AyX.p DataGrid1.DataSource=dt;
ZP*q4: DataGrid1.DataBind();
sCi s4gX.] )5%'.P> DataGrid1中添加一个CheckBox,页面中添加一个全选框
9{}1r2xW private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
wEE\+3b) {
*:t|qgJI#+ foreach(DataGridItem thisitem in DataGrid1.Items)
p|jV{P {
^3{TZ=_;| ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
QP)pgAc }
Mjfx~I27 }
~Ro9up s3O} 6 将当前页面中DataGrid1显示的数据全部删除
Q`D~5ci foreach(DataGridItem thisitem in DataGrid1.Items)
YW`,v6 {
(TwnkXrR, if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
e7(ucE {
TUDr\' @/f string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
? glSC$b Del (strloginid); //删除函数
IOoz^/' }
j!4et; }
a1.Ptf eW| f3{MvAy[ 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)
:Jy'#c C] 9p5Hs 在Application_Start中添加以下代码:
*R3f{/DK Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
PBxCx3a{ AppSettings["ConnStr"].ToString();
M^iU;vo RIE5KCrGB 31. 变量.ToString()
iz?tu: \v& /yF QeE 字符型转换 转为字符串
2Sp=rI 12345.ToString("n"); //生成 12,345.00
pN9A{v( 12345.ToString("C"); //生成 ¥12,345.00
;SaX;!`39+ 12345.ToString("e"); //生成 1.234500e+004
Y&_&s7z 12345.ToString("f4"); //生成 12345.0000
NqEA4C 12345.ToString("x"); //生成 3039 (16进制)
dBe`p5Z 12345.ToString("p"); //生成 1,234,500.00%
oiyzHx Tp?y8r 32、变量.Substring(参数1,参数2);
s]mY*@a% dd%h67J2< 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);
:
G`hm{ DrBUe'RH:M 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)
_ozg_E <SCRIPT language="javascript">
?a8(azn <!--
]Xf% ,iu function gook(pws)
@`Eg( {
XC "'Q+ frm.submit();
.YnFH$;$ }
:.d:9Z|_ //-->
13%t"-@bh ^;maotHn </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
MpqZH{:?G <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
CI
:`<PZ\- <tr>
t" 7yNs(I <td>
;VNMD 6H <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
OhmQ, <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
7&"n`@(.! <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
}X_;X_\3;' T4 N~(Fi) <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
R8UYP=Kp <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
mp?78_I) VX+jadYdq </td>
MJCzo |w hL;8pE8 </tr>
!F4@KAv J}@z_^|"mJ </form>
qYf |Gv rs*Fy@ 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。
Kryo} ZA9sTc[
g 下面是获取用户输入的登陆信息的代码:
RUUk
f({( string name;
O Xi@c;F name=Request.QueryString["EmailName"];
~+bGN +:-57 try
^1x*lLf {
npyAJp int a=name.IndexOf("@",0,name.Length);
U{$1[,f f_user.Value=name.Substring(0,a);
EVUq--)~ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
3ZZV<SS f_pass.Value=Request.QueryString["Psw"];
i Q6epg1wB }
lz0TK)kuC TO*BH^5R catch
^o@,3__7Q {
Y<b-9ai<w Script.Alert("错误的邮箱!");
l?DJJ|> O Server.Transfer("index.aspx");
kWb2F7m }