1. 打开新的窗口并传送参数:
V18w T w/CJg
传送参数:
u},<On response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
u9'4q<>& Jw9|I)H 接收参数:
{5_*tV<I string a = Request.QueryString("id");
eF:6k qg string b = Request.QueryString("id1");
<L:v2 8c 6ffrV 2.为按钮添加对话框
!t[X/iu Button1.Attributes.Add("onclick","return confirm(’确认?’)");
%vyjn&13 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
\'j%q\Bl; W0l|E&fj[ 3.删除表格选定记录
aS:17+! int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
9KD2C>d< string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
qH"e:
wgL fv#e 8y 4.删除表格记录警告
Mx[tE?!2 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
03_tt7 {
a\^DthZ!;| switch(e.Item.ItemType)
f+ J<sk {
f`H}Y!W( case ListItemType.Item :
aY8>#t? case ListItemType.AlternatingItem :
Rnun() plJ case ListItemType.EditItem:
%xkqiI3Ff TableCell myTableCell;
d\xh>o myTableCell = e.Item.Cells[14];
SIzW3y[ LinkButton myDeleteButton ;
Ca]vK'( myDeleteButton = (LinkButton)myTableCell.Controls[0];
En-eG37l myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
rVFAwbR break;
KZ;U6TBiB default:
sR'rY[^/| break;
1rT}mm/e; }
^vJ08gu_W )T
3y ,* }
3fn6W)v? \S1WF?<, 5.点击表格行链接另一页
^]AjcctGr private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
xOPSw|!w {
e#SNN-hKsJ //点击表格打开
S\s1}`pNm if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
w%j 6zsTz e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
//f[%j*> }
Yq3(, `N
;!=7y7Y 双击表格连接到另一页
2t/ba3Rfk e2k!5OS 在itemDataBind事件中
s%;18V:pi if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Y Q3%vH5#y {
/Y%) Y string OrderItemID =e.item.cells[1].Text;
`L7 cS ...
hjaI&?w e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
UYGl }
}a|SgI %nVnK6[sox 双击表格打开新一页
W)$;T%u if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
dV.)+X7< {
1K4LEga` string OrderItemID =e.item.cells[1].Text;
H[fD
> ...
el5F>) e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Y=/HsG\W] }
oI/@w "f3, w ★特别注意:【?id=】 处不能为 【?id =】
5/>G)& 6.表格超连接列传递参数
a(BWV?A <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
BDD^*Y <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
"?}QwtUW XZJ }nXy 7.表格点击改变颜色
kSoAnJ| if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
l{_>?]S5 {
j#<#o:If e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Kx ?}%@b this.style.color=’buttontext’;this.style.cursor=’default’;");
>2Z:=HT }
VDCrFZ!] ezC55nm 写在DataGrid的_ItemDataBound里
Bn}@wO if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
6aXsRhQ~ {
@_h/%>0 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
0JKbp*H this.style.color=’buttontext’;this.style.cursor=’default’;");
FV! e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
RR*z3i`PP }
,`S"nq xGPt5l<M& (E\7Ui0Q 8.关于日期格式
N;;!ObVHnP /N{x Ft/? 日期格式设定
^L*:0P~ DataFormatString="{0:yyyy-MM-dd}"
u
L/*,[}' b6R0za 我觉得应该在itembound事件中
P=(\3ok e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
PHT;%;m= :X,1KR 9.获取错误信息并到指定页面
i,$*+2Z ~?+Jt3?, 不要使用Response.Redirect,而应该使用Server.Transfer
OB;AgE@ Jg/WE1p> e.g
%~}9#0h) // in global.asax
3:dQN;= protected void Application_Error(Object sender, EventArgs e) {
y[.0L!C { if (Server.GetLastError() is HttpUnhandledException)
$ [M8G Server.Transfer("MyErrorPage.aspx");
_ N.ZpKVu E.}T.St //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
| t3_E }
OI::0KOv p`T7Y\\#! 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
CdC&y}u Y[
a$~n^:n 10.清空Cookie
ceyZ4M Cookie.Expires=[DateTime];
Ag#p ) Response.Cookies("UserName").Expires = 0
xud =(HLl '!b1~+PV 11.自定义异常处理
2{|
U //自定义异常处理类
{CYFM[V using System;
WSW aq\9]8 using System.Diagnostics;
)LKutN?tBy {[NBTT9& namespace MyAppException
+p>tO\mo {
ko=vK%E[ /// <summary>
]M-j_("& /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Kw"7M~ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
bTb|@ /// </summary>
vqJiMa j@Z public class AppException:System.ApplicationException
D}&U3?g= {
D-69/3 PvP public AppException()
u01x}Ff~6 {
j^Bo0{{ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
yAW%y }
? R#-gvX% EO:i+e]= public AppException(string message)
Ip|~j}
} {
diaLw LogEvent(message);
z|<6y~5, }
pbl;n| ?2E@)7 public AppException(string message,Exception innerException)
s1?N&t8c {
ApG_Gd. LogEvent(message);
Kj;Q;Ii if (innerException != null)
r@%-S!$ {
z^ rf; LogEvent(innerException.Message);
l _dWS9 }
zw_Xh~4"b }
qa.nm4"6+ ,KdDowc //日志记录类
sV%<U-X using System;
6:fe.0H9 using System.Configuration;
+>M^p2l*& using System.Diagnostics;
J4;w9[a$ using System.IO;
l#Ipo5= using System.Text;
zN:VT& using System.Threading;
5N@k9x W_Z%CBjcT namespace MyEventLog
+? E~F {
!9_HZ(W& /// <summary>
X3-pj<JLY /// 事件日志记录类,提供事件日志记录支持
Pv|g.hH9m /// <remarks>
RXxi7^ U /// 定义了4个日志记录方法 (error, warning, info, trace)
iqreIMWz /// </remarks>
iP]KV.e'/C /// </summary>
M%92^;|` public class ApplicationLog
3"NO"+Q {
{E@Fk, /// <summary>
>-*rtiE /// 将错误信息记录到Win2000/NT事件日志中
gFizw:l /// <param name="message">需要记录的文本信息</param>
MxQhkY-= /// </summary>
'y[74?1 public static void WriteError(String message)
{p[{5k 0 {
?x1sm"]p' WriteLog(TraceLevel.Error, message);
q^; SZ^yW5 }
@a$_F3W zl^ %x1G /// <summary>
:tBIo7 /// 将警告信息记录到Win2000/NT事件日志中
lqe|1vN /// <param name="message">需要记录的文本信息</param>
I$7|?8 /// </summary>
X'Q?Mh public static void WriteWarning(String message)
/Jj7+? {
2[
=
=
WriteLog(TraceLevel.Warning, message);
~"|MwR!0 }
kl%%b"h' h;cl+c|B /// <summary>
QxS]6hA /// 将提示信息记录到Win2000/NT事件日志中
5.! OC5tO /// <param name="message">需要记录的文本信息</param>
fGjYWw
/// </summary>
E:vgG|?? public static void WriteInfo(String message)
.j^tFvN~L {
-LzkM" WriteLog(TraceLevel.Info, message);
0Xo>f"2<f }
5|O~ /// <summary>
fE`p /// 将跟踪信息记录到Win2000/NT事件日志中
yC \dM1X /// <param name="message">需要记录的文本信息</param>
xB-\yWDZe
/// </summary>
^/]w}C#:d public static void WriteTrace(String message)
y_mTO4\C2 {
=r|e]4 WriteLog(TraceLevel.Verbose, message);
q8A ;%.ZLG }
2_T2?weD5
:m.6a4vx /// <summary>
MrjgV+P}[ /// 格式化记录到事件日志的文本信息格式
`A\,$(q+ /// <param name="ex">需要格式化的异常对象</param>
`]~1pc /// <param name="catchInfo">异常信息标题字符串.</param>
GmhfBW? /// <retvalue>
T*o!#E. /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
gGZ-B< /// </retvalue>
s.|OdC>U = /// </summary>
D/[;Y<X#V public static String FormatException(Exception ex, String catchInfo)
;8XRs?xyd {
$.C-_L StringBuilder strBuilder = new StringBuilder();
ms5?^kS2O if (catchInfo != String.Empty)
UH6 7<_mK {
czIAx1R9 strBuilder.Append(catchInfo).Append("\r\n");
O!nS3%De }
n"RV!{& strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
g(tVghHxt$ return strBuilder.ToString();
8Yk*$RR9 }
r@C~_LgL) l3p :}A /// <summary>
^wWbW&<Tg /// 实际事件日志写入方法
;6``t+]q
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Le?g,c /// <param name="messageText">要记录的文本.</param>
W9w*=W
)Z /// </summary>
L~t<
0\r private static void WriteLog(TraceLevel level, String messageText)
2`riI*fQ {
{aUTTEu try
-->0e{y {
9o5D3
d
K EventLogEntryType LogEntryType;
>nSt<e switch (level)
tXtNK2-1 {
C^LxuUW case TraceLevel.Error:
R`c[?U LogEntryType = EventLogEntryType.Error;
{rR(K"M break;
0c`zg7| case TraceLevel.Warning:
1}a4AGAp LogEntryType = EventLogEntryType.Warning;
V($V8P/ break;
v5'`iO0o case TraceLevel.Info:
rWL;pM< LogEntryType = EventLogEntryType.Information;
{>1FZsR49t break;
exhU!p8 case TraceLevel.Verbose:
.+ u
b\ LogEntryType = EventLogEntryType.SuccessAudit;
T#-;>@a} break;
I)'bf/6? default:
a)ry}E =f LogEntryType = EventLogEntryType.SuccessAudit;
IyHbl_P ^ break;
Tp;W4]'a*: }
[-$
Do %a~/q0o> EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
=^u;uS[IW //写入事件日志
@p*)^D6E\ eventLog.WriteEntry(messageText, LogEntryType);
0i_:J b`-|7<s }
DO80HS3ZD catch {} //忽略任何异常
&t9V }
d:';s~ } //class ApplicationLog
6`CRT TJ7 }
pc*)^S Ldjz- 12.Panel 横向滚动,纵向自动扩展
7v%c. <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
nU_O|l9 Y/.C+wW2 13.回车转换成Tab
kh0cJE\_^ <script language="javascript" for="document" event="onkeydown">
AVpg if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
!G;u
)7'v event.keyCode=9;
12n:)yQy </script>
.}!.4J%q2 [HQ)4xG onkeydown="if(event.keyCode==13) event.keyCode=9"
vt#;j;liG EhHxB
fAQ 14.DataGrid超级连接列
&+2l#3} DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
[Iks8ZWr_ %rptI$^*X 15.DataGrid行随鼠标变色
tVn?cS private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
KRaL+A {
xN-,gT'! if (e.Item.ItemType!=ListItemType.Header)
F]3Y,{/V {
ZUQ
_u e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
P'Rw/co e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
5Ml=<^ }
o&q>[c }
)]1hN;Nz +x"uP 16.模板列
_B^zm-}8|B <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
{.:$F3T <ITEMTEMPLATE>
C{}_Rb'x <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
MoIh=rw </ITEMTEMPLATE>
D`LBv,n </ASP:TEMPLATECOLUMN>
v=N?(6T <>3)S`C`p <ASP:TEMPLATECOLUMN headertext="选中">
7QsD"rL <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
j<<d A[X <ITEMTEMPLATE>
Rg?6e N <ASP:CHECKBOX id="chkExport" runat="server" />
1)(>'pY </ITEMTEMPLATE>
2zTi/&K& <EDITITEMTEMPLATE>
@[n#-!i <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
%T/@/,7h </EDITITEMTEMPLATE>
,'X"(tpu@ </ASP:TEMPLATECOLUMN>
XNJ4T]>< 3"y 6|e/5 后台代码
C%XO|sP protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
Jxe+LG {
ukWn@q* //改变列的选定,实现全选或全不选。
Mkz_.;3 CheckBox chkExport ;
C ^Y\?2h1 if( CheckAll.Checked)
REUxXaN>Z {
.Nn11F< d foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
wX,V:QE
{
3P
cVE\GN chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
{D+mr[ % chkExport.Checked = true;
vi,hWz8WB }
UnhVppnex }
_wq?Pa<)e else
-#|D> {
"z~ba>,-\ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
!/zRw-q3B {
=S&`~+ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
$T'!??|IF chkExport.Checked = false;
wcGK*sWG- }
4qQ,1&!]S }
b^1QyX^?: }
d ]P~ /A=w`[< 17.数字格式化
U&5*>fd= ~^mUu`@r 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
a{5SOe;; <%#Container.DataItem("price","{0:¥#,##0.00}")%>
]{>AU^=U t'qYM5 int i=123456;
F!omkN string s=i.ToString("###,###.00");
]?Ef0?44 .Mt3ec< 18.日期格式化
d1j9{ %Sr+D{B 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
X\|! +&EXTZ@o 显示为: 2004-8-11 19:44:28
)#=J<OpG 0I&k_7_ 我只想要:2004-8-11 】
6
63o <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
c`;\sW-_W P15
H[<:Fz 应该如何改?
<wH+\ V$^jlWdR 【格式化日期】
}cKB)N
BJb ._mep\#.: 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
_VtQMg|u 8%?y)K^
D 【日期的验证表达式】
A4K.,bZ I=Y>z^4 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
JxAQ,oOO ^((\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})))?$
jlEz]@
i @mp`C}x"0& B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
B/?
L$m ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
f:T?oR>2 1>!LK_ 【大小写转换】
?$ r`T]>`2 HttpUtility.HtmlEncode(string);
.])prp8 HttpUtility.HtmlDecode(string)
em$pU*`P =YO ]m< 19.如何设定全局变量
I.2J-pu} EE/mxN(< Global.asax中
!3ggQG!e LF<&gC Application_Start()事件中
*{o7G a 4zug9kFK 添加Application[属性名] = xxx;
U$rMZk t^t% >9o 就是你的全局变量
ZzT=m*tQ& d_RgKdR )k 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
pl[J!d.c =W(*0"RM HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
[,%=\%5 8%@|/ 【ASPNETMENU】点击菜单项弹出新窗口
xNP_>Qa~ $Y$9]G": 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
~6vz2DuB= <?xml version="1.0" encoding="GB2312"?>
M[uWX= <MenuData ImagesBaseURL="images/">
hy;VvAH5 <MenuGroup>
L74Mz]v <MenuItem Label="内参信息" URL="Infomation.aspx" >
V5|ANt <MenuGroup ID="BBC">
3Ob.OwA <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
XQ}Zr/f6 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
W&z jb>0b0 ......
jm_-f 'J|2c;M\x 最好将你的aspnetmenu升级到1.2版
DE?v'7cmA 4<s.|W` 21.读取DataGrid控件TextBox值
~%{2Z_t$ foreach(DataGrid dgi in yourDataGrid.Items)
\-<BUG]= {
NnZW@ln"| TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
^0VL](bD> tb.Text....
}5 o?7}? }
8h)XULs2 jDzQw>TX 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?
^?z%f_ri QFh1sb)]d) 〖思归〗
*kr/,_K <asp:TemplateColumn HeaderText="数量">
q5'S<qY^ <ItemTemplate>
H=dIZ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
}xZi Ct onkeyup="javascript:DoCal()"
rk=D5E7 />
%Bq~b$ HL)!p8UHJ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
=TB_|`5;j </ItemTemplate>
E-LkP; </asp:TemplateColumn>
JJ.8V72;!Z k.T=&0J_1 <asp:TemplateColumn HeaderText="单价">
37AVk`a <ItemTemplate>
9tiZIm93] <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
*4,Q9K_ onkeyup="javascript:DoCal()"
J0G@]H />
t0)1;aBZ )0{`}7X <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Hxu5Dx5![ gLiJ&H </ItemTemplate>
"gJ?LojB < </asp:TemplateColumn>
#A63?kDE&& 3G})$y3m <asp:TemplateColumn HeaderText="金额">
Z:4/lx7Bq <ItemTemplate>
ZR.k' <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
^@fD{]I </ItemTemplate>
`FHudSK </asp:TemplateColumn><script language="javascript">
T:}Q3 function DoCal()
Y$'j9bUJ {
X1o",,N^M var e = event.srcElement;
a[{$4JpK var row = e.parentNode.parentNode;
*X5)9dq var txts = row.all.tags("INPUT");
obb%@S` if (!txts.length || txts.length < 3)
}~FX!F#oU return;
;Iu _*U9) MBLZ:A |
C var q = txts[txts.length-3].value;
Mw[3711v var p = txts[txts.length-2].value;
hCxg6e<[ :;?$5h*|` if (isNaN(q) || isNaN(p))
{QG.> lB return;
ZR>BK, )&Ii!tm3 q = parseInt(q);
<z Gh}.6v p = parseFloat(p);
1;B~n5C. 6v%yU3l txts[txts.length-1].value = (q * p).toFixed(2);
IQqUFP$8g }
84ij4ZYe </script>
g_>&R58 {!,K[QwcI !Ko2yn}6l '%$Vmf)= g 9,"u_ 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。
r$jWjb page_load
AXyXK?? page.smartNavigation=true
+eVYy_bL- 87
gk
25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
>oh Cz@~ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
q4ROuE|d {
Ek+R for(int i=0;i<e.Item.Cells.Count-1;i++)
fit{n]g if(e.Item.ItemType==ListItemType.EditType)
9a`LrB {
CKAd\L e.Item.Cells.Attributes.Add("Width", "80px")
Vl.,e1)6 }
_p$/.~Xo9 }
Dfs^W{YA z/t|'8f 26.对话框
I0XJ&P% private static string ScriptBegin = "<script language=\"JavaScript\">";
~aC ?M& private static string ScriptEnd = "</script>";
:a wt7lqv pcMzLMG< public static void ConfirmMessageBox(string PageTarget,string Content)
Xhe& "rM {
d/_D|ivZ= string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
=rKJJa N ybaY+![* ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
%H{pU:[5* %QP[/5vQ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
9qx4F<
ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
i/:L^SQAq //Response.Write(strScript);
Q-x>yau" }
5|*{~O| /HIyQW\Ki- 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
<Gpji5f2 U4XW
Kwq 1.1 取当前年月日时分秒
$6Ma{r C| currentTime=System.DateTime.Now;
N+&uR!:.C Jr!^9i2j' 1.2 取当前年
Q,?_;,I} int 年= DateTime.Now.Year;
Av x` a (U52dO, 1.3 取当前月
3.W[]zH/u int 月= DateTime.Now.Month;
77\+V 0cF 0zW*JJxV 1.4 取当前日
]B>76?2W int 日= DateTime.Now.Day;
ElO|6kOBYG 3IxC@QR 1.5 取当前时
CL0lMZ int 时= DateTime.Now.Hour;
aM5]cc% ^ITF* 1.6 取当前分
kf@JEcKV int 分= DateTime.Now.Minute;
I\*6
> aRTy=~ 1.7 取当前秒
1!uBzO6/$ int 秒= DateTime.Now.Second;
!wp1Df[ ]>M\|,wh 1.8 取当前毫秒
Nu7>G int 毫秒= DateTime.Now.Millisecond;
/&Q{B f /r4l7K 28.自定义分页代码:
(d4btcg [!uzXVS3 先定义变量 :
Y`~B> J public static int pageCount; //总页面数
|_?e.}K public static int curPageIndex=1; //当前页面
sVx}(J gnJ8tuS 下一页:
J~%43!X\K if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
[}szM^ {
O2fq9%lk DataGrid1.CurrentPageIndex += 1;
o`f^ m curPageIndex+=1;
`cp\UH@
}
A8f.h5~9 N
sdpE?V bind(); // DataGrid1数据绑定函数
[ar0{MPYd pGD@R=8 上一页:
<0d2{RQ; if(DataGrid1.CurrentPageIndex >0)
"pkdZ {
TuQGF$n@ DataGrid1.CurrentPageIndex += 1;
Q:b0M11QR curPageIndex-=1;
?tYZ/ }
VcKB:(:[ 0&s6PS% bind(); // DataGrid1数据绑定函数
]5'$EAsuW hDxq9EF 直接页面跳转:
'xH^ksb " int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
\Kf\%Q F! !HwI if(a<DataGrid1.PageCount)
}JFTe
g {
MZGhN
brd this.DataGrid1.CurrentPageIndex=a;
+gd5& }
sZrVANyqb oPi>]#X bind();
%>FtA) *73gp
29.DataGrid使用:
f\_RW;y|m oz&`3` 添加删除确认:
`<9>X9.+ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
BAQ-1kSz {
-'Z Gc8) foreach(DataGridItem di in this.DataGrid1.Items)
C@XS {
ny{C,1QG if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
2|;|C8C {
7I;kh`H$(f ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
IQJ"B6U) }
LwB1~fF }
WJq>%<# }
brA#p>4]Wf 2iNLm6" 样式交替:
HJ&P[zV^ ListItemType itemType = e.Item.ItemType;
:u4|6? @bg9
}Z%\h if (itemType == ListItemType.Item )
DZ|*hQU>K {
aEN` ` e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
?I?G+(bq e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
>W> rhxU }
?L }>9$" else if( itemType == ListItemType.AlternatingItem)
_*~F1% d {
5e7Y M@ng e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
8~(xi<"e e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
?("O.< }
hF$`=hE,F~ 4o#]hB';ni 添加一个编号列:
lgews" DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
ehW [LRtq DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
CE3l_[c _9>,9aL for(int i=0;i<dt.Rows.Count;i++)
.,u>WIUxj {
L62'Amml dt.Rows["number"]=(i+1).ToString();
W^iK9|[qp }
^{"i eVn c+l1l0BA DataGrid1.DataSource=dt;
P3Ql[2 DataGrid1.DataBind();
#R5\k-I 9p8ajlYg, DataGrid1中添加一个CheckBox,页面中添加一个全选框
"5N4
of
8 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
;
$rQ {
/<-PW9X? foreach(DataGridItem thisitem in DataGrid1.Items)
c=u+X`
Q {
!l*A3qA ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
Iynks,ikA }
[bnu
DS }
})OS2F x/<ow4C 将当前页面中DataGrid1显示的数据全部删除
TFkG"ev foreach(DataGridItem thisitem in DataGrid1.Items)
*z[vp2
TN {
.OJGo<#$f if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
,t 2CQ {
<4TI;yy6? string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
2xN7lfu1RB Del (strloginid); //删除函数
()6%1zCO }
$tu }
PSc=k0D !5d n7Wuj 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)
DG;u_6;JR =\]gL%N-| 在Application_Start中添加以下代码:
D:9^^uVp Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
.!~ysy AppSettings["ConnStr"].ToString();
,P<I<QYu K21Xx`XK 31. 变量.ToString()
L@\t]
~ HJr/N)d 字符型转换 转为字符串
p+P@I7V 12345.ToString("n"); //生成 12,345.00
"dCIg{j 12345.ToString("C"); //生成 ¥12,345.00
U>t:*SNC* 12345.ToString("e"); //生成 1.234500e+004
`G ":y[Q 12345.ToString("f4"); //生成 12345.0000
#xmiUN,| 12345.ToString("x"); //生成 3039 (16进制)
R}Zaz3( Hd 12345.ToString("p"); //生成 1,234,500.00%
( &m1* Y#lAG@$ 32、变量.Substring(参数1,参数2);
q[/g3D\G
X:Y1g)|K 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);
U+VJiz<! ,;6%s>Cvd( 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)
ZS:[ZehF <SCRIPT language="javascript">
^I/(9KP# <!--
_$*-?*V& function gook(pws)
5 n 4/}s {
6iQqOAG frm.submit();
IO#)r[JZ }
5%S5*c6BD //-->
a?Om;-i2`S ]Q^8
9? </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
kk126?V]_ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
z*nztvY@e <tr>
&/EZn xl <td>
L,_U co <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
&[\zs&[@y <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
*QW.#y>"j <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
?_pd#W=!
UDpI @ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
Ct/6< <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
j5Yli6r?3- ;$a|4_U$m </td>
f].z. *y"|/_
* </tr>
3I?yRE 8Pom^QopK </form>
L%9yFg%u oi3Ix7 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。
KJ?/]oLr0 Cyv_(Oh?dv 下面是获取用户输入的登陆信息的代码:
:\#]uDT2= string name;
w*SF Q_6YE name=Request.QueryString["EmailName"];
kGq<Zmy| t[%=[pJHW try
jP@t!= {
HV3wU EI3 int a=name.IndexOf("@",0,name.Length);
9DXu*} f_user.Value=name.Substring(0,a);
"2"*3R<Y f_domain.Value=name.Substring(a+1,name.Length-(a+1));
'\m\$
{ f_pass.Value=Request.QueryString["Psw"];
>|T?87 }
9.goO|~B~ of<>M4/g4y catch
q33!X!br {
\b88=^ Script.Alert("错误的邮箱!");
Y@'1}=`J Server.Transfer("index.aspx");
S4~;bsSx }