1. 打开新的窗口并传送参数:
zT{VE+= =EsavN 传送参数:
(;,sc$H] response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
s#GLJl\E_P !'I8:v&D 接收参数:
}-`4DHgq string a = Request.QueryString("id");
nr#|b`J] string b = Request.QueryString("id1");
u%!@(eKM- 'c~4+o4co 2.为按钮添加对话框
W%Fv p;\` Button1.Attributes.Add("onclick","return confirm(’确认?’)");
moE2G?R button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
eJX#@`K !'O@2{?B 3.删除表格选定记录
R@2X3s: int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
A=>u
1h69 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
'<uq3?5 Xwtqi@zlE 4.删除表格记录警告
e}W)LPR! private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
phz&zlD {
#LNED)Vg switch(e.Item.ItemType)
./~(7o$ {
*K;~!P case ListItemType.Item :
-n;}n:wL case ListItemType.AlternatingItem :
WY]s |2a case ListItemType.EditItem:
d"Y{UE TableCell myTableCell;
yCo.cd- myTableCell = e.Item.Cells[14];
d d;T-wa} LinkButton myDeleteButton ;
##ANrG l myDeleteButton = (LinkButton)myTableCell.Controls[0];
i@'dH3-kO
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
S]{oPc[7 break;
K>
e7pu default:
>R=|Wo`Ri break;
wKHBAW[i] }
fXB0j;A `F6C- }
p b,. r fc@A0Hf 5.点击表格行链接另一页
&m vSiyKX private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
WF"k[2 {
DV{=n C //点击表格打开
Hx:;@_gq if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
hv+zGID7 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
PI<vxjOK` }
1YMh1+1 :hA#m[ 双击表格连接到另一页
~)'k 9?0 rM"l@3hP 在itemDataBind事件中
Y\tui+?J if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
!&\INl-Z {
tnIX:6 string OrderItemID =e.item.cells[1].Text;
o" SMbj ...
GKCroyor e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
<-0]i_4sK }
92-I~
!d A)KZa"EX 双击表格打开新一页
|K~Nw&rZ] if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
NuI9iU {
QCJM& string OrderItemID =e.item.cells[1].Text;
I?NyM ...
DL.!G e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
'f|o{ }
v8DC21pb L=h'Qgk% ★特别注意:【?id=】 处不能为 【?id =】
,[;G|et 6.表格超连接列传递参数
<\FH fE <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
:H[6Lg\* <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
r_.S>] {: W$LWET 7.表格点击改变颜色
t:c.LFrF if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
-.3w^D"l {
mcok/,/ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
"ITIhnE this.style.color=’buttontext’;this.style.cursor=’default’;");
5(8@%6>ruj }
k_R"CKd `,0}ZzaV& 写在DataGrid的_ItemDataBound里
tI{_y if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
@lt#Nz {
1nOCQ\$l e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
bN88ua}k{ this.style.color=’buttontext’;this.style.cursor=’default’;");
|Ds=)S"
K e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
A(N4N }
]{L jRSV 9C i-v/M] cGD(.= 8.关于日期格式
DeYV$W
B yppo6HGD 日期格式设定
D3A/l DataFormatString="{0:yyyy-MM-dd}"
S@sO;-^+ u-C)v*#L 我觉得应该在itembound事件中
U%<Inb}ad e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
WN<zkM~3 QdC<Sk!G 9.获取错误信息并到指定页面
a}uSm/S .[ mRM 不要使用Response.Redirect,而应该使用Server.Transfer
*9i{,I@ KGpA2Nx e.g
s9d_GhT%- // in global.asax
4Xv*wB1 protected void Application_Error(Object sender, EventArgs e) {
uwBiW if (Server.GetLastError() is HttpUnhandledException)
IIqUZJ Server.Transfer("MyErrorPage.aspx");
#o2[hibq Q5_o/wk //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
C8 \^#5 }
TOAAQ 6`-jPR 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
,?XCyHSgWW bYPK h 10.清空Cookie
c0fo7| Cookie.Expires=[DateTime];
3[f):
u3" Response.Cookies("UserName").Expires = 0
<^uBoKB/f 3D(0=$W 11.自定义异常处理
<Ok3FE.K //自定义异常处理类
o8vug$=Z using System;
nNU2([ using System.Diagnostics;
4H<lm*!^ gzg_>2Sj namespace MyAppException
dq[xwRU1 {
rXU\ /// <summary>
DFTyMB1H /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Xs?o{]Fe /// 自动将异常内容记录到Windows NT/2000的应用程序日志
YrKWA /// </summary>
+2j AC r public class AppException:System.ApplicationException
BF <ikilR {
9&ids!W~yx public AppException()
!?gKqx'T$ {
40<mrVl if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
_/K_[w 1 }
IaXeRq?< fd2T=fz- public AppException(string message)
O7IJ%_A& {
8&aq/4:q0 LogEvent(message);
k@:%:Sj 2 }
K96<M);:g (!N|Kl public AppException(string message,Exception innerException)
"-J-k= {
?I@W:#>o LogEvent(message);
,4oo=&
if (innerException != null)
?K\axf>F {
ZQ0F$J)2~ LogEvent(innerException.Message);
VU d\QR- }
W#sU`T
}
# Vha7 Z)aUt
Srf //日志记录类
_f:W?$\ho using System;
3Ims6I] using System.Configuration;
>oe]$r using System.Diagnostics;
J9[r|`gJ( using System.IO;
Y.r+wc] using System.Text;
`$C
n~dT using System.Threading;
5[u]E~Fl} ,WB{i^TD namespace MyEventLog
(*)hD(C5 {
hfy_3} _ /// <summary>
b%/ 1$>_ /// 事件日志记录类,提供事件日志记录支持
/~f'}]W /// <remarks>
NTI+ /// 定义了4个日志记录方法 (error, warning, info, trace)
}~e%J( /// </remarks>
H+Sz=tg5 /// </summary>
1 Ya`| ?FS public class ApplicationLog
A$:U'ZG_ {
qm o9G /// <summary>
sp*v?5lW /// 将错误信息记录到Win2000/NT事件日志中
#?9;uy<j.q /// <param name="message">需要记录的文本信息</param>
*ppffz /// </summary>
xX4N4vb public static void WriteError(String message)
<yFu*(Q {
6b \&~b@T WriteLog(TraceLevel.Error, message);
'CkIz"Wd }
H}bJ"(9$vC Fun^B;GA: /// <summary>
v OpKNp /// 将警告信息记录到Win2000/NT事件日志中
;VO:ph4Aj /// <param name="message">需要记录的文本信息</param>
<<R*2b /// </summary>
b`O'1r\Y; public static void WriteWarning(String message)
d4c8~L
H- {
nK%LRcAs WriteLog(TraceLevel.Warning, message);
R[x_j }
4Ic*9t3 ah+iZ}E% /// <summary>
5S--'=fu+ /// 将提示信息记录到Win2000/NT事件日志中
O+Y6N /// <param name="message">需要记录的文本信息</param>
xx%j.zDI] /// </summary>
r
# cGop] public static void WriteInfo(String message)
_8_R 1s {
4u5-7[TZ WriteLog(TraceLevel.Info, message);
?'{SX9 }
@7j AL - /// <summary>
v<( /// 将跟踪信息记录到Win2000/NT事件日志中
VZmLS 4E /// <param name="message">需要记录的文本信息</param>
@'!SN\?W8 /// </summary>
D\NKC@(M public static void WriteTrace(String message)
l&Q`wR5e {
)C]gld;8 WriteLog(TraceLevel.Verbose, message);
W+ko q*P }
Y^EcQzLw dvJM6W>^= /// <summary>
>_"an~Ss /// 格式化记录到事件日志的文本信息格式
$6iX /// <param name="ex">需要格式化的异常对象</param>
2)HuZda /// <param name="catchInfo">异常信息标题字符串.</param>
Q:k}Jl /// <retvalue>
'F0e(He@, /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Ks`J([(W& /// </retvalue>
T!WT;A /// </summary>
AogVF public static String FormatException(Exception ex, String catchInfo)
!\.pq 2 {
^N{h3b8 StringBuilder strBuilder = new StringBuilder();
XG{zlOD+ if (catchInfo != String.Empty)
&H/'rd0M {
D (?DW}Rqs strBuilder.Append(catchInfo).Append("\r\n");
GM f
`A,> }
A!WKnb_` strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
z !rL
s76 return strBuilder.ToString();
* kDC liL }
Cl8Cg~2 fN^8{w/O
/// <summary>
\B,@`dw /// 实际事件日志写入方法
P%&0]FCx /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
>rKIG~P_ /// <param name="messageText">要记录的文本.</param>
!0L Wa" /// </summary>
=QiI :|eRA private static void WriteLog(TraceLevel level, String messageText)
mQ26K~ {
=Qj{T try
+V046goX W {
;dZZ;#k% EventLogEntryType LogEntryType;
|AU~_{H switch (level)
hVAn>_( {
s/ qYa]) case TraceLevel.Error:
tq6!`L }3 LogEntryType = EventLogEntryType.Error;
_
y8Wn}19f break;
'Nnz k case TraceLevel.Warning:
""F5z,' LogEntryType = EventLogEntryType.Warning;
f=gW]x7'R+ break;
.p]RKS=(: case TraceLevel.Info:
k(7&N0V%zz LogEntryType = EventLogEntryType.Information;
^sEYOX\ break;
tKx~1- case TraceLevel.Verbose:
gS]@I0y8
. LogEntryType = EventLogEntryType.SuccessAudit;
Mhf5bN|wQ break;
&n}f? default:
qCpp6~]Um LogEntryType = EventLogEntryType.SuccessAudit;
}1i`6`y1 break;
VfC <WVYiZ }
&zeyE;/Hj ][h%UrV EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
_w+:Dv~*a //写入事件日志
?u=Fj_N_ eventLog.WriteEntry(messageText, LogEntryType);
j8{i#;s!" qqr?!vem6 }
Tc &z: catch {} //忽略任何异常
GmEJhr.3`= }
cyv`B3} } //class ApplicationLog
Z=Y& B>:[ }
6@ IXqKz )SRefW.v 12.Panel 横向滚动,纵向自动扩展
@oY~..d` <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
J0\Fhe0' >#~& -3 13.回车转换成Tab
-)]Yr #Q <script language="javascript" for="document" event="onkeydown">
e~[/i\ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
vkd.)x`J, event.keyCode=9;
0gy/:T </script>
=9["+;\e& LW'D?p# onkeydown="if(event.keyCode==13) event.keyCode=9"
FR4QUk }`QUHIF 14.DataGrid超级连接列
*,8^@(th DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
fg!__Rdi zrL$]Oy}x 15.DataGrid行随鼠标变色
w/S%YW3* private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
[OV"}<V {
," Wr" if (e.Item.ItemType!=ListItemType.Header)
Z/;(fL {
>WQMqQ^t@ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
NI}yVV e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
st3l2Q }
EZy)A$| }
Ng>5?F^v l7259Ro~ 16.模板列
7BjJhs <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
(Hz^)5(~ <ITEMTEMPLATE>
_jI,)sr4ic <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
AOWmzu{zw </ITEMTEMPLATE>
|\<`Ib4j </ASP:TEMPLATECOLUMN>
:W:K:lk lhz{1P]s <ASP:TEMPLATECOLUMN headertext="选中">
qL&[K>2z <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
EC6DW= <ITEMTEMPLATE>
W*4-.*U8a <ASP:CHECKBOX id="chkExport" runat="server" />
ox>^>wR* </ITEMTEMPLATE>
O=&0 H|B <EDITITEMTEMPLATE>
^aMg/.j <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
g\(G\ tnu> </EDITITEMTEMPLATE>
)}]g]
g </ASP:TEMPLATECOLUMN>
S)k*?dQ##R *1
]uH e 后台代码
EXwo,?I protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
>CgTs {
udF~5w
H //改变列的选定,实现全选或全不选。
/-ch`u md CheckBox chkExport ;
/vde2.| if( CheckAll.Checked)
w%VU/6~ {
tl4V7!U@^z foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
C:* *;=. {
,p@y]
cr chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
i]y<|W)Q3 chkExport.Checked = true;
:O?MSS;~ }
FLCexlv^ }
\H~T>j{N else
axRV:w;E< {
*vN-Vb^2i) foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
MS>Ge0P("~ {
P[#e/qnXu| chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
RtP2]O(F chkExport.Checked = false;
*@r/5pM2} }
69?wc! }
Un(aW=PQ0 }
vNY{j7l/W Gg3,:A_ w 17.数字格式化
g^2OkV( }6}l7x 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
E7 Ul;d
<%#Container.DataItem("price","{0:¥#,##0.00}")%>
'&R2 U_ d(x\^z int i=123456;
=:,g string s=i.ToString("###,###.00");
|y#
Jx Uq,^Wy 18.日期格式化
v
~?qz5:K~ >,Ci?[pf 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
x{8xW0 '!cCMTj 显示为: 2004-8-11 19:44:28
TnOggpQ6X qIE9$7*X 我只想要:2004-8-11 】
[nG<[<0G; <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
<8i//HOE '8.r-`l( 应该如何改?
3{^9]7UC <X^@*79m 【格式化日期】
4 Y9`IgQ /cdC'g 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
|`,2ri*5A UWJ8amA 【日期的验证表达式】
IH&|Tcf\ '$IKtM`L A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
_LUhZlw ^((\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})))?$
K.nHii (sTpmQx,b B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Y>T-af49 ^\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]))$
$}q23 GPv1fearl 【大小写转换】
LTCb@L{^i HttpUtility.HtmlEncode(string);
#s(BuVU HttpUtility.HtmlDecode(string)
T_
<@..C S9D<8j^ 19.如何设定全局变量
#PW9:_BE oUr66a/[U Global.asax中
f4b/NG| $q{!5-e Application_Start()事件中
Y;Dp3v! m%?pf2%I# 添加Application[属性名] = xxx;
xY8$I6 Jbg/0|1 就是你的全局变量
J26V nK A_ZY=jP 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
:$|HNeDO 9Cp-qA%t HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
)5JFfp)# |?xN\O^#} 【ASPNETMENU】点击菜单项弹出新窗口
t%FwXaO# G]tn i 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
SrJGTuXg <?xml version="1.0" encoding="GB2312"?>
beGa#JH, <MenuData ImagesBaseURL="images/">
Rz/gtEP <MenuGroup>
7~p@0)'' <MenuItem Label="内参信息" URL="Infomation.aspx" >
b<ZIWfs <MenuGroup ID="BBC">
9(7-{,c <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
uEP*iPLD@ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
aEWWP] ......
^j7Vt2- t+G#{n 最好将你的aspnetmenu升级到1.2版
A#<? 4& (Q!}9K3 21.读取DataGrid控件TextBox值
.},'~NM] foreach(DataGrid dgi in yourDataGrid.Items)
7#a-u<HF" {
gp?uHKsM TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
@)M9IOR tb.Text....
D|p9qe5% }
9};8?mucr yu|8_<bq 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?
MYvY]Jx3 RJ&RTo 〖思归〗
xn(kKB. <asp:TemplateColumn HeaderText="数量">
At>DjKx]O <ItemTemplate>
vWv" <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
T2W eE@o onkeyup="javascript:DoCal()"
$6 9&O />
,V m
< rK hH3RP{'= <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
{9pZ)tB </ItemTemplate>
L}b.ulkMD </asp:TemplateColumn>
!hy-L_wL] ! E5HN :# <asp:TemplateColumn HeaderText="单价">
Vwf$JdK%&l <ItemTemplate>
7U"g3a)= <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
5H9z4-i x? onkeyup="javascript:DoCal()"
AKfDXy />
8MtGlW%Eh Eyqa?$R <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
@n /nH?L 'sKk"bi;0 </ItemTemplate>
$( kF# </asp:TemplateColumn>
]:- mbgW M"Hf :9Rk <asp:TemplateColumn HeaderText="金额">
k%#EEMh <ItemTemplate>
"Gzz4D <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
lgy<?LI\ </ItemTemplate>
@Uvz8*b6 </asp:TemplateColumn><script language="javascript">
tSUEZ62EY function DoCal()
5Ln,{vsv {
I;(L%TT ` var e = event.srcElement;
1n8/r}q'H var row = e.parentNode.parentNode;
[l??A3G var txts = row.all.tags("INPUT");
H$t_Xw== if (!txts.length || txts.length < 3)
?e4YGOe. return;
-@2iaQ(5a2
ltSU fI var q = txts[txts.length-3].value;
k]|~>9eY] var p = txts[txts.length-2].value;
$8h%a
8I lfgq=8d if (isNaN(q) || isNaN(p))
/Cr%{'Pzk return;
;ef}}K o:'MpKm q = parseInt(q);
GL}]y -f p = parseFloat(p);
ec;o\erPG I$G['`XX/ txts[txts.length-1].value = (q * p).toFixed(2);
{dlXLx!B }
JPHL#sKyz </script>
z&\a:fJ& iWkWR"ysy |YWD8 + C.-,^+t;g [|$h*YK 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。
{S)6;|ua' page_load
n( yn< page.smartNavigation=true
Ll't>) YkSl^j[DHs 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 ?
+Kc private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
CK@@HSm}l {
$%d*@'c for(int i=0;i<e.Item.Cells.Count-1;i++)
V f&zL
Sgr if(e.Item.ItemType==ListItemType.EditType)
FD
#8mg {
O0v}43J[ e.Item.Cells.Attributes.Add("Width", "80px")
F/{!tx }
b8t7u }
qe#tj/aZ 0[(8 26.对话框
? OM!+O private static string ScriptBegin = "<script language=\"JavaScript\">";
1CZgb private static string ScriptEnd = "</script>";
<'oQ \eB PC8Q"O public static void ConfirmMessageBox(string PageTarget,string Content)
(ZZ8L-s {
>+1duAC string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
q3!bky\ lUZ+YD4 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
.`eN8Dl1 h[Y1?ln&h Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
K\r8g=U ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
bAqA1y3= //Response.Write(strScript);
.L~AL|2_ }
(w3YvG. 2/^3WY1U 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
</zEg3F\ C,r;VyW6BI 1.1 取当前年月日时分秒
<%eG:n,# currentTime=System.DateTime.Now;
U8?mc d7upz]K9g 1.2 取当前年
Ui W>J int 年= DateTime.Now.Year;
g!|kp? =dKtV.L 1.3 取当前月
_B<X`L
= int 月= DateTime.Now.Month;
rb.N~ #;e:A8IQ 1.4 取当前日
6bC3O4Rw int 日= DateTime.Now.Day;
x 9fip- P=
NDS2 1.5 取当前时
-Q*gW2KmV int 时= DateTime.Now.Hour;
5t]H?b8 24eLB?H 1.6 取当前分
q0vQa int 分= DateTime.Now.Minute;
,f>k%_U} Y:[u1~a 1.7 取当前秒
u*`GiZAO int 秒= DateTime.Now.Second;
8lrpve #X1ND 1.8 取当前毫秒
~f98#43 int 毫秒= DateTime.Now.Millisecond;
8l`*]1.W< #"~<HG}bR/ 28.自定义分页代码:
F JyT+ } q8ASYNc 先定义变量 :
zrb}_ public static int pageCount; //总页面数
:vbW public static int curPageIndex=1; //当前页面
~]2K^bh8& 5rik7a)Z] 下一页:
?e 4/p if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
5\nAeP {
F )eelPZ+, DataGrid1.CurrentPageIndex += 1;
4V`G,W4^J curPageIndex+=1;
c^W)07-X5y }
a:w#s}bL &^jXEz; bind(); // DataGrid1数据绑定函数
` Sz}`+E Km$\:Xo 上一页:
9%9#_?RW if(DataGrid1.CurrentPageIndex >0)
bk[!8-b/a {
NzvXN1_% DataGrid1.CurrentPageIndex += 1;
k<?b(&`J curPageIndex-=1;
dy[X3jQB }
(sZ"iGn% 6'f;-2 bind(); // DataGrid1数据绑定函数
ckCE1e>s D0f] $ 直接页面跳转:
J|7 3.&B int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
>hIu2jm &};zvo~P. if(a<DataGrid1.PageCount)
+NUG {
nxFBI D this.DataGrid1.CurrentPageIndex=a;
eHUOU>&P] }
kAUymds;O ef4 i:. bind();
~P-mC@C CrTw@AW9) 29.DataGrid使用:
p!%pP}I G3T]`Atf 添加删除确认:
-QNh private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
~k5W@`"W {
JxU5 fe foreach(DataGridItem di in this.DataGrid1.Items)
Q7CsJzk~) {
Q"#J6@ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
}jPSUdo {
X:{!n({r= ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
@H8EWTZ }
-KbYOb }
{'H(g[k }
:ShT|n7 jPkn[W#
6 样式交替:
aN3;`~{9 ListItemType itemType = e.Item.ItemType;
?a]mDx>xh )4 ;`^]F if (itemType == ListItemType.Item )
+=)+'q]S {
jebx40TA3 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
qH_Dc=~la e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
"m>81-0 }
u*9V&>o else if( itemType == ListItemType.AlternatingItem)
rytyw77t( {
1o>xEWt:0K e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
veECfR; e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
47/iF97 }
tZo} ;|~' u ^RxD^=L 添加一个编号列:
LDa1X2N DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
GC'O[q+ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
j'K/22 TA~{1_l for(int i=0;i<dt.Rows.Count;i++)
`Q,H|hp;k; {
X}0cCdW dt.Rows["number"]=(i+1).ToString();
k9F=8q }
?aMOZn? 69.NPy@ DataGrid1.DataSource=dt;
TD_Oo-+\ DataGrid1.DataBind();
Wc
'H Etm?' DataGrid1中添加一个CheckBox,页面中添加一个全选框
g9F?z2^ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
#`s"WnP9'! {
poFg1 foreach(DataGridItem thisitem in DataGrid1.Items)
32
=z)]FZ {
9gZ$
((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
`r_/Wt{g }
kG*~|ma }
NGW xN8P6 8dhUBJ0_ 将当前页面中DataGrid1显示的数据全部删除
v &+R^iLE foreach(DataGridItem thisitem in DataGrid1.Items)
QmIBaMI# {
a'IdYW0 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
?
=+WRjF {
E_LN]v string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
I2Yz#V<%ru Del (strloginid); //删除函数
Z/J y'$x }
#$y?v%^ }
T[A69O]v Ga'swP=hf 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)
WX0tgXl ?z
u8)U 在Application_Start中添加以下代码:
ig &Y Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
E4xa[iZ AppSettings["ConnStr"].ToString();
w%sT{(Vd`C LreP4dRe 31. 变量.ToString()
Y
nZiTe@ /u+e0BHo 字符型转换 转为字符串
n'w.;
q 12345.ToString("n"); //生成 12,345.00
PFK
'$ 12345.ToString("C"); //生成 ¥12,345.00
WuW^GC{7 12345.ToString("e"); //生成 1.234500e+004
g=o4Q<
#^y 12345.ToString("f4"); //生成 12345.0000
B7vpsSL 12345.ToString("x"); //生成 3039 (16进制)
@s^-.z 12345.ToString("p"); //生成 1,234,500.00%
RpYERAgT o _H`o&xr 32、变量.Substring(参数1,参数2);
@\I#^X5lv pb=h/8R 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 y8Uk; N}YkMJy 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)
TuqH*{NNy9 <SCRIPT language="javascript">
FC"8#*x <!--
_wL BA^d^ function gook(pws)
N17RLz *\ {
&
ZB frm.submit();
E1 f\%!2l }
2GStN74X r //-->
"C3/T&F 01o4Th m </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
>-{Hyx <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
<rS F* <tr>
61
~upQaR <td>
}4S6Xe <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
;6hOx(>`= <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
2)~> R <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
1@=po)Hnp !5?<% * <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
=E{`^IT'R <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
da~],MN 3{(/x1a,4 </td>
&Y eA:i? NW)1#]gg% </tr>
gv{ >`AN /|#fejPh </form>
W|(1Y
D kz7(Z'pw 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。
Fea(zJ_ -s'-eQF J 下面是获取用户输入的登陆信息的代码:
G<;*SYAb string name;
-n5)w*b, name=Request.QueryString["EmailName"];
bK-N:8Z EDs\,f} try
-o
EW:~y {
,wdD8ZT'Ip int a=name.IndexOf("@",0,name.Length);
Lq!>kT<]! f_user.Value=name.Substring(0,a);
m9}P9? f_domain.Value=name.Substring(a+1,name.Length-(a+1));
B^jc3 VsR f_pass.Value=Request.QueryString["Psw"];
8kDp_si }
8qu6.
^L&iR0 catch
lCHO;7YHX {
ps DetP
Script.Alert("错误的邮箱!");
S?BG_J6A7 Server.Transfer("index.aspx");
{P#|zp 4C{ }