1. 打开新的窗口并传送参数:
HM;4=% Gu<W:n[ 传送参数:
UeC 81*XZ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
6YB-}>? ',<{X(#( 接收参数:
P[r}(@0rJ string a = Request.QueryString("id");
A89Y;_4y string b = Request.QueryString("id1");
4{uJ||! vjY);aQ 2.为按钮添加对话框
30:HRF(: Button1.Attributes.Add("onclick","return confirm(’确认?’)");
6!i(
\Q* button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
h/w] sT@u3^> 3.删除表格选定记录
(gv=P>: int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
i]V
F'tG string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
1/F<T &4a~6 4.删除表格记录警告
r< N-A?a private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
&*h`b{] {
q
oKQEG2 switch(e.Item.ItemType)
Zz{[Al{ {
)2
case ListItemType.Item :
Sf#\6X<B case ListItemType.AlternatingItem :
|8b$x| B case ListItemType.EditItem:
n C\(+K1% TableCell myTableCell;
=aX1:Z myTableCell = e.Item.Cells[14];
OsDp88Bc LinkButton myDeleteButton ;
$,!dan<eA myDeleteButton = (LinkButton)myTableCell.Controls[0];
EVby 9! myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
XL%vO#YT break;
sf=%l10Fk# default:
.oW~:mY break;
f[wjur }
G=+!d&mbg R|d^M&K, }
i|::vl )L&n)w 5.点击表格行链接另一页
y?rK5Yos private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
T(t
<Ay?c {
[0(
E>vm //点击表格打开
{3_F fsg` if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
j@!BOL~? e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
c9>8IW }
E0WrpGZ u k>q\j 双击表格连接到另一页
KR+ aY. 4C2>0O<^s 在itemDataBind事件中
@Wlwt+;fT if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
i:NJ>b {
aH~x7N6! string OrderItemID =e.item.cells[1].Text;
Z &ua,:5 ...
0D W'(#` e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
l#<}|b }
BHiw!S< S0X.8Bq 双击表格打开新一页
^$T!@+: if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
.F=<r-0 {
MC[`<W)u string OrderItemID =e.item.cells[1].Text;
H-PW( ...
3tx0y e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
!kjr>:)x }
v>yGsJnV' kfG 65aa>_ ★特别注意:【?id=】 处不能为 【?id =】
[7ek;d;'t 6.表格超连接列传递参数
h|Teh-@A5 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
_
cHV3cz <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Dg];(c+/ 96([V|5K 7.表格点击改变颜色
7J</7\ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
?3KR(6D {
;NN(CKZ9A e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
9 Le/'o vq this.style.color=’buttontext’;this.style.cursor=’default’;");
v\r7.l:hf }
8kn]_6:3i HCn]# 写在DataGrid的_ItemDataBound里
`eA&C4oFOO if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
u:qD*zOq {
~L Bq5a e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
VAG+y/q this.style.color=’buttontext’;this.style.cursor=’default’;");
zN8&M<mTl e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
^`B##9g~ }
E?;T:7.% _sCJ3ZJ is_dPc 8.关于日期格式
0wa!pE" Ot8S'cB1,$ 日期格式设定
!<UEq`2 DataFormatString="{0:yyyy-MM-dd}"
g)|++? 3
MI ) E 我觉得应该在itembound事件中
:w&)XI34 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
~*Sbn~U aZ`_W| 9.获取错误信息并到指定页面
o sgS?=8 &>wce5uV 不要使用Response.Redirect,而应该使用Server.Transfer
U{:(j5m W;)FNP|MT e.g
qyG636i // in global.asax
e8ig[:B>+ protected void Application_Error(Object sender, EventArgs e) {
u^4 "96aXJ if (Server.GetLastError() is HttpUnhandledException)
spoWdRM2 Server.Transfer("MyErrorPage.aspx");
(fI&("; t #B.w7y5* //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Osvz 3UMY3 }
(^s_w03 PU/Br;2A 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
"3KSmb ^5'/ }iR2N 10.清空Cookie
O%q;,w{prW Cookie.Expires=[DateTime];
J#OE}xASoA Response.Cookies("UserName").Expires = 0
"}~i7NBB Hr8$1I$= 11.自定义异常处理
SpTORR8 //自定义异常处理类
bQ\ -6dOtv using System;
g,GbaaXH using System.Diagnostics;
q MT.7n: -GkK[KCH namespace MyAppException
#SLxN AH {
S&))
0d /// <summary>
+qW w-8 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
qzbkxQu]g /// 自动将异常内容记录到Windows NT/2000的应用程序日志
?GD?J(S /// </summary>
]OCJ~Zw public class AppException:System.ApplicationException
\eSk7C {
Hpo?|;3D5 public AppException()
}+RF~~H/ {
oJ;O>J@c if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
{uQ)p= }
"VVR#H}{ ,IZxlf% public AppException(string message)
$CYpO}u# {
r(2'0JQ LogEvent(message);
:R*^Izs= }
UE$[;Zg !7a^8
public AppException(string message,Exception innerException)
&)f++(i {
/KvPiQ% LogEvent(message);
m+8b2H:V if (innerException != null)
xS\QKnG. {
W<hdb!bE LogEvent(innerException.Message);
|I^Jn@Mq: }
9xS`@ "` }
;>8TNB e! +(P43XO08 //日志记录类
!DUg"o3G> using System;
<{xAvN(: using System.Configuration;
5Z1Do^ using System.Diagnostics;
V-U
^O45 using System.IO;
lX k-86[M using System.Text;
2WECQl=r using System.Threading;
]Q_G /e hv8[_p`> namespace MyEventLog
WQmiG=Dw^ {
<GmrKdM /// <summary>
hz|z&vyP /// 事件日志记录类,提供事件日志记录支持
{Ljl4Sp& /// <remarks>
^?.:} /// 定义了4个日志记录方法 (error, warning, info, trace)
]\mb6Hc /// </remarks>
Fh4w0u*Q /// </summary>
].T;x| public class ApplicationLog
5!Mp#lO {
C`T5d /// <summary>
h/bYtE /// 将错误信息记录到Win2000/NT事件日志中
?UhAjtYIS /// <param name="message">需要记录的文本信息</param>
W
me1w\0 /// </summary>
>,]e[/p public static void WriteError(String message)
eHyuO)(xH1 {
oYm{I ~" WriteLog(TraceLevel.Error, message);
\V-
Y,!~5 }
it|:P e^Wv*OD' /// <summary>
.O-DVW Cm /// 将警告信息记录到Win2000/NT事件日志中
9X&qdA/q /// <param name="message">需要记录的文本信息</param>
-V_S4|>
/// </summary>
SR8Kzk{ public static void WriteWarning(String message)
#2'&=?J1r {
N4(VRA WriteLog(TraceLevel.Warning, message);
:yFCp@& }
>s?;2T2"yx 1Kf
t?g /// <summary>
lGBdQc]IL /// 将提示信息记录到Win2000/NT事件日志中
ITqigGan% /// <param name="message">需要记录的文本信息</param>
LmdV@gR /// </summary>
mb`}sTU). public static void WriteInfo(String message)
w8#>xV^~ {
\R6T"U WriteLog(TraceLevel.Info, message);
R M+K":p }
0Lz56e'j /// <summary>
Q/`o6xv /// 将跟踪信息记录到Win2000/NT事件日志中
1xV1#'@[Jd /// <param name="message">需要记录的文本信息</param>
ef;="N /// </summary>
'xI+kyu public static void WriteTrace(String message)
c Yn}we}7 {
b/}0
&VXo WriteLog(TraceLevel.Verbose, message);
&r%^wfp }
r9'H7J 92_H!m/ /// <summary>
'R5l
=Wf /// 格式化记录到事件日志的文本信息格式
nln[V$ /// <param name="ex">需要格式化的异常对象</param>
HZ4
^T7G /// <param name="catchInfo">异常信息标题字符串.</param>
I[IQFka} /// <retvalue>
OL"5A18;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>
<l/Qf[V /// </retvalue>
s/0FSv
x /// </summary>
>:nJTr public static String FormatException(Exception ex, String catchInfo)
R:m=HS_ {
QD VA*6F StringBuilder strBuilder = new StringBuilder();
D)cwttH if (catchInfo != String.Empty)
ZGvNEjff {
V+5
n|L5 strBuilder.Append(catchInfo).Append("\r\n");
{#Cm> @') }
c0p=/*s( strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
+NMSvu_? return strBuilder.ToString();
Z'm%3 }
%--5bwZi 4\WkXwoqQO /// <summary>
buyz>ICP /// 实际事件日志写入方法
b:I5poI3 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
-7VV5W /// <param name="messageText">要记录的文本.</param>
RtQfE+ /// </summary>
.u3W]5M| private static void WriteLog(TraceLevel level, String messageText)
o*1`, n {
I _G;;GF try
~mo` {
_JO @O^Ndd EventLogEntryType LogEntryType;
X1D:{S[ switch (level)
@CUDD{1o {
<"% h1{V case TraceLevel.Error:
%4K#<b"W LogEntryType = EventLogEntryType.Error;
d/QM break;
iPYlTV case TraceLevel.Warning:
wf$ JuHPt LogEntryType = EventLogEntryType.Warning;
(W/UR9x)|d break;
,dMi+c`ax case TraceLevel.Info:
L KR,CPz LogEntryType = EventLogEntryType.Information;
,R6$SrNcd break;
ZWEzL$VWi case TraceLevel.Verbose:
)
hB*Hjh LogEntryType = EventLogEntryType.SuccessAudit;
<L#r6y~H break;
[6N39G$ default:
*j :5 LogEntryType = EventLogEntryType.SuccessAudit;
YL0RQa break;
x"De
9SB }
`sC8ro@Fm lB@K;E@r8 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
=R`2 m //写入事件日志
!PbFo%) eventLog.WriteEntry(messageText, LogEntryType);
ka[NYW{. P*sCrGO% }
K6hNN$F! catch {} //忽略任何异常
+q%goG8 }
IvH+94[)
} //class ApplicationLog
jK1!
\j }
8#B;nyGD1I 2@rc&Tx 12.Panel 横向滚动,纵向自动扩展
~h+3WuOv <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
IDZn,^ (E[hl 13.回车转换成Tab
&p/k VM <script language="javascript" for="document" event="onkeydown">
>@iV!! if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
biK.HL\V event.keyCode=9;
&|*| </script>
>X)G`N@! \zyGJyy. onkeydown="if(event.keyCode==13) event.keyCode=9"
/RJSkF+! \ziF(xTvqG 14.DataGrid超级连接列
FgaBwd^W DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
jX@9849@ CB)#;
|aDB 15.DataGrid行随鼠标变色
Z^S!w;eu private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
iOxygs#p {
c?S402M} if (e.Item.ItemType!=ListItemType.Header)
d a9 *>+[ {
TUr}p aw_ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
aH~"hB^e e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
w+H=Xh4t }
f;a6ux# }
?OFvGd <'33!8
G 16.模板列
$<PVzW,$o <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
\ S R <ITEMTEMPLATE>
>O=V1 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
+^:K#S9U </ITEMTEMPLATE>
1cega1s3xR </ASP:TEMPLATECOLUMN>
x]T;W&s u{ /gjv <ASP:TEMPLATECOLUMN headertext="选中">
SYx)!n6U <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
1<5yG7SZ <ITEMTEMPLATE>
f^ qQ5N <ASP:CHECKBOX id="chkExport" runat="server" />
TmiQq'm[b </ITEMTEMPLATE>
[XK"$C]jHJ <EDITITEMTEMPLATE>
&5<lQ1 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
#$E
vybETx </EDITITEMTEMPLATE>
)
|a5Qxz </ASP:TEMPLATECOLUMN>
V y$\.2= ~JiA 后台代码
Fy^\U w protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
uv!/DX# {
0:EiCKb)ol //改变列的选定,实现全选或全不选。
K9=_}lS@' CheckBox chkExport ;
M#m7g4*L ! if( CheckAll.Checked)
#S)*MT4ke {
-d]z_
SP@ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
G$b4`wt {
G <q@K- chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
hyp`6?f chkExport.Checked = true;
cjk5><}`H7 }
8:bNFgJD }
+FR"Gt$g else
Kkm7L- {
Khl7Ez foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
;z#9>99rH {
{JJ`|*H$_ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*(rE< chkExport.Checked = false;
l{4\Wn Va }
Oc>-jhx? }
b;{C1aa>} }
)NK2uD RWE%?` 17.数字格式化
K^ lVng 2_Qzc&"[
4 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
2StpcAlU} <%#Container.DataItem("price","{0:¥#,##0.00}")%>
n_Z8%|h c=gUY~Rl int i=123456;
EMo6$( string s=i.ToString("###,###.00");
"M
tQj} yY+2;`CH 18.日期格式化
6dh PqL Velmq'n 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
foeVjL:T tj0vB]c 显示为: 2004-8-11 19:44:28
/zWWUl`: +-"#GL~cC 我只想要:2004-8-11 】
HFazqQ[ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
tkmW\ )Jc>l;G(M 应该如何改?
!Zrvko @fwU%S[v 【格式化日期】
,F[mh VF-d^AGt 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
h$!qb'| vR,'': 【日期的验证表达式】
^iTA40K W[jxfZD9v A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
2:abe ^((\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})))?$
>Et?7@
U6Qeode B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
{2nXItso ^\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]))$
:A$6Y*s\ 8Xr3q eh+ 【大小写转换】
K;95M^C\O* HttpUtility.HtmlEncode(string);
;u%h wlo HttpUtility.HtmlDecode(string)
#%5>}$ ?OSd8E+itM 19.如何设定全局变量
]1K
&U5p /H)g<YA Global.asax中
iw{n|&Y#` cA*%K[9 Application_Start()事件中
{MS&t09Wh YW5E
| z 添加Application[属性名] = xxx;
/X?Nv^Hy
Wi[Y@ 就是你的全局变量
ru&RL
HFV !"kvXxp^ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Fri5_rxLl 75F&s,4+ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
3"".kf,O5e HOw hl 【ASPNETMENU】点击菜单项弹出新窗口
_eF*8 /z ~ 0[K%]] 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
8WH> <?xml version="1.0" encoding="GB2312"?>
KQqlM <MenuData ImagesBaseURL="images/">
G`n-WP <MenuGroup>
zt8ZJlNK <MenuItem Label="内参信息" URL="Infomation.aspx" >
C"sa.#} <MenuGroup ID="BBC">
m} V,+E <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
IH0Uq_ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
0C7"*H0R ......
" n\!y~: &.}zZ/ 最好将你的aspnetmenu升级到1.2版
] !H<vR$8 #G,e]{gs 21.读取DataGrid控件TextBox值
MLDuo|? foreach(DataGrid dgi in yourDataGrid.Items)
ldxUq,p {
yF:fxdpw TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
b9U2afd tb.Text....
ql4T@r3l}3 }
c*h5lM'n6 ,kP{3.#Q 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
^\!^#rO RHxd6Gs" 〖思归〗
1~*_H_Q't <asp:TemplateColumn HeaderText="数量">
* n[6H <ItemTemplate>
=:b/z1-v <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
#: F)A_Y onkeyup="javascript:DoCal()"
3lJK[V{'#' />
aV ^2 6QV/8IX <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
B<)(7GTv7" </ItemTemplate>
8dpVB#]pp, </asp:TemplateColumn>
t!~mbx+ LKm5U6 <asp:TemplateColumn HeaderText="单价">
BP7_o63/G <ItemTemplate>
ka5>9E <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
X[|>r@Aa! onkeyup="javascript:DoCal()"
ugCc&~` />
ovHbs^H% !xlVyt5e <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
bUBuJ ^,X+
n5q;m </ItemTemplate>
HCP Be2 </asp:TemplateColumn>
."lY>(HJ ED6H <asp:TemplateColumn HeaderText="金额">
Q.N^1?(>k <ItemTemplate>
WgIVhj <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
V=c&QPP </ItemTemplate>
f="}. </asp:TemplateColumn><script language="javascript">
;9^B# aTM function DoCal()
0e:aeLh {
6(z.(eT var e = event.srcElement;
]*@7o^4i var row = e.parentNode.parentNode;
Kq1sGk var txts = row.all.tags("INPUT");
|9g*rO if (!txts.length || txts.length < 3)
U3Q'ZT return;
4, :D4WYWD 7fVVU+y var q = txts[txts.length-3].value;
Uq&|iB#mF var p = txts[txts.length-2].value;
n;MoMGnPh, a5)+5 if (isNaN(q) || isNaN(p))
2q#$?qs_b return;
Ft]sTA+C %jkd}D q = parseInt(q);
| zA ey\ p = parseFloat(p);
cB<Zez gt
?&!S^ txts[txts.length-1].value = (q * p).toFixed(2);
[-%oO }
w#o<qrpHf </script>
0
cQf_o :9)>!+|' l+#` $Fo ,$ iX,Qh2(ig 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。
E/am^ TO` page_load
XnNK)dUT} page.smartNavigation=true
P}PSS#nn I5e!vCG) 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 ?
^c2 8Q.<w( private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
wU=(_S,c {
J3$ihH. for(int i=0;i<e.Item.Cells.Count-1;i++)
OLiYjYd if(e.Item.ItemType==ListItemType.EditType)
SsaF><{5R {
]M2> %Dvw e.Item.Cells.Attributes.Add("Width", "80px")
TKmC/c }
UqAvFCy }
w0.#/6 0D\FFfs 26.对话框
f[z#=zv private static string ScriptBegin = "<script language=\"JavaScript\">";
3U}z?gP[ private static string ScriptEnd = "</script>";
^{bP#f \'p)kDf public static void ConfirmMessageBox(string PageTarget,string Content)
Wl*\kQ}U {
Z8:iaP) string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
`=.{i}V "\BLi C ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
-j(/5.a aWit^dp Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
h;B'#$_ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
DZ EA*E > //Response.Write(strScript);
Sw0~6RZ }
m.2 u!F3Rh8D 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
wwF 20 FNZnz7 1.1 取当前年月日时分秒
Wima=xYe\5 currentTime=System.DateTime.Now;
Hv%a\WNS1 & MAIm56~ 1.2 取当前年
iA:CPBv_mu int 年= DateTime.Now.Year;
b)df V= c xX 1.3 取当前月
DO0["O74 int 月= DateTime.Now.Month;
|S.-5CAh4 Y H?>2u 1.4 取当前日
pE=wP/# int 日= DateTime.Now.Day;
8*|@A6ig 2Ay2
G- 1.5 取当前时
79i>@u% int 时= DateTime.Now.Hour;
l5aQDkp} =7$YBCuF 1.6 取当前分
7qs[t7-h? int 分= DateTime.Now.Minute;
7%o\O{,U -
@ 1.7 取当前秒
=EIsqk^* int 秒= DateTime.Now.Second;
Hiw{1E:rW OnD+/I 1.8 取当前毫秒
;ymUMQ%;/ int 毫秒= DateTime.Now.Millisecond;
y<5s)OehG uD+;5S]us 28.自定义分页代码:
V57^0^Zp` MRiETd" 先定义变量 :
ysSEgC3 public static int pageCount; //总页面数
Q:%gJ6pa public static int curPageIndex=1; //当前页面
Zaq:l[% '&UX'Dd~Q 下一页:
6~}=? sX4 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
&<L+;k~P% {
~
Iv[ DataGrid1.CurrentPageIndex += 1;
u[cbRn,W curPageIndex+=1;
a1s=t_wT }
ne;,TJ\ &oAuh?kTq bind(); // DataGrid1数据绑定函数
jtd{=[STU \n /_Px 上一页:
8 2_3|T if(DataGrid1.CurrentPageIndex >0)
PI }A')Nq. {
$o-s?"; DataGrid1.CurrentPageIndex += 1;
73P(oVj< curPageIndex-=1;
YRB,jwne }
9=h A#t.# /*st,P$" bind(); // DataGrid1数据绑定函数
}bHdU]$} ]T+{]t 直接页面跳转:
f^ nogw<z! int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
iS02uVmBZ Mq6"7L if(a<DataGrid1.PageCount)
~uV.jh {
G`w7dn;& this.DataGrid1.CurrentPageIndex=a;
Tl 9_Wi }
{Rbc Ll&Y_Ry bind();
"&7v.-Yk( pnVtjWrbG 29.DataGrid使用:
]2tX'=X y|c]r!A 添加删除确认:
3dC8MKPq0 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
M)Y`u {
Ib]{rmaP foreach(DataGridItem di in this.DataGrid1.Items)
84|Hn|4t {
D
@T,j4o if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
#Mi>f4T; {
%1xo|6hm- ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
taI]) }
HHT K{X+ }
U
JY`P4( }
bp;)* CkIICx 样式交替:
ba|~B8rII[ ListItemType itemType = e.Item.ItemType;
_G[5S-0 [ ck-wMd if (itemType == ListItemType.Item )
O'o` {
QIGMP=!j e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Wrt3p-N"D e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
HlLF<k~} }
NNS n]LP else if( itemType == ListItemType.AlternatingItem)
o9>r
- {
T*O!r`.Ak e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
BpRQG]L e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
CShVJ:u+K\ }
tOS%.0W5J QD q2< 添加一个编号列:
omY%sQ{) DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
j2g#t DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
y~''r%] $d4eGL2S for(int i=0;i<dt.Rows.Count;i++)
=]&R6P> {
3,W2CN} dt.Rows["number"]=(i+1).ToString();
pT:CvJ }
hAKyT~[n0 >\%44ba6 DataGrid1.DataSource=dt;
-N~*h DataGrid1.DataBind();
PUF"^9v G23Mr9m5O DataGrid1中添加一个CheckBox,页面中添加一个全选框
(\>_{"*= private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
j=M_> {
0g~WM foreach(DataGridItem thisitem in DataGrid1.Items)
^=}~ {
T&6{|IfM_ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
:>;-uve8' }
/w`{]Ntgu }
3Ud&B 'R99kL/.N 将当前页面中DataGrid1显示的数据全部删除
s>E4.0[I% foreach(DataGridItem thisitem in DataGrid1.Items)
|l`X]dsfQ {
R84g< if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
o~ 2bk<]z {
+.mIC:9 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
!nC Z, Del (strloginid); //删除函数
B$_F)2%m; }
l&^9<th }
Ilsh
Jo `yNNpSdS1 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_)CuUBe &>p2N 在Application_Start中添加以下代码:
+);o{wfW Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
"-90:"W AppSettings["ConnStr"].ToString();
}ZlJ YLJH?=2@ 31. 变量.ToString()
O"nY4 LX!16a@SxA 字符型转换 转为字符串
-;_NdL@ 12345.ToString("n"); //生成 12,345.00
+TfMj1Zx 12345.ToString("C"); //生成 ¥12,345.00
UdT~h 12345.ToString("e"); //生成 1.234500e+004
\$<kJ||lS 12345.ToString("f4"); //生成 12345.0000
GK2IY 12345.ToString("x"); //生成 3039 (16进制)
3q{H=6 12345.ToString("p"); //生成 1,234,500.00%
Gq$9he< u'<Y#bsR#/ 32、变量.Substring(参数1,参数2);
2P"@=bYT " to(OVg7_ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
!f V.#9AB# *(& J^ 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
t>
-cTQm <SCRIPT language="javascript">
HRC5z<k% <!--
j+88J function gook(pws)
f8B*D4R} {
XK{`x< frm.submit();
[`yiD> }
b'St14_ //-->
;_%61ZI?M< /px*v<Aw1 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Yono8M;9* <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
2sk^A
ly <tr>
Cx}
Yp- <td>
oy;N3 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
WIQt5=- <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Xa Yx avq <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
>OBuHqC U3&*,xeU@H <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
I^qk` 5w <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
/1gKc}rB2 7=6p </td>
VQ$=F8ivG mdoy1a </tr>
D-8%lGS ouPwhB,bg </form>
V89!C?.[]1 7Q/v#_e( 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。
LGgEq- |&o1i~Y 下面是获取用户输入的登陆信息的代码:
BB1'B-O string name;
K/,
B name=Request.QueryString["EmailName"];
J3}^\k=p" +pnT6kU| try
)><cL:IJ}S {
t'Nu^_# int a=name.IndexOf("@",0,name.Length);
|0b$60m$!t f_user.Value=name.Substring(0,a);
'.#KkvE## f_domain.Value=name.Substring(a+1,name.Length-(a+1));
?MPM@9 f_pass.Value=Request.QueryString["Psw"];
}^pnwo9vV }
_(0!bUs> |U8;25Y catch
w-HgC {
lmz{,O Script.Alert("错误的邮箱!");
lF 8B+ Server.Transfer("index.aspx");
Ra;e#)7X }