1. 打开新的窗口并传送参数:
KE)D =P R*TGn_J` 传送参数:
|?t8M9[Z response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Ns(L1'9= tX`[6` 接收参数:
F>oxnhp6 string a = Request.QueryString("id");
'2qxcc o string b = Request.QueryString("id1");
6/WK((Fd xvz5\s|b 2.为按钮添加对话框
qzbkxQu]g Button1.Attributes.Add("onclick","return confirm(’确认?’)");
;h(;( button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
+]~w ?^h 6x zR*~7 3.删除表格选定记录
zt>_)&b int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
SAxa7B/U2 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
gBiQIhz L)nVpqm 4.删除表格记录警告
$?J LCa private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
'?>O
{
Sph"w08 switch(e.Item.ItemType)
AL$Ty {
qLi1yH case ListItemType.Item :
n#L2cv~Aj" case ListItemType.AlternatingItem :
MfpWow-#{ case ListItemType.EditItem:
!}Ou|r4_ TableCell myTableCell;
E `j5y(44 myTableCell = e.Item.Cells[14];
YU0HySP: LinkButton myDeleteButton ;
W;}u 2GH myDeleteButton = (LinkButton)myTableCell.Controls[0];
{hq ;7 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
r-Xe<|w break;
A%8`zR default:
o/[yA3^ break;
x^#{2}4u }
2?7hUaHX 3!w>"h0( }
1eyyu! 9n\#s~, 5.点击表格行链接另一页
M=abJ4 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
?$&rC0t {
JOne&{h]J" //点击表格打开
+PXfr~ 4 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
h \cK e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
w[vIPlSdS }
<mgTWv Bv]wHPun 双击表格连接到另一页
LuQ
M$/i ^^Q32XC, 在itemDataBind事件中
2DqHqq9m if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
R M+K":p {
_p2<7x i
string OrderItemID =e.item.cells[1].Text;
Y+yvv{01 ...
'xI+kyu e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
oc%le2 }
b%t9a\ 0V <).qe Z 双击表格打开新一页
a}7KpKCD if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
z:jF)N {
R*G>)YH string OrderItemID =e.item.cells[1].Text;
J` --O(8Ml ...
]H'82a e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
QD VA*6F }
:>ST)Y@]w v86`\K*0Y ★特别注意:【?id=】 处不能为 【?id =】
zvC,([ 6.表格超连接列传递参数
P>Rqy <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
{v/6| <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
/ hdl <Py/uF| 7.表格点击改变颜色
ew ['9 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
e1 }0f8% {
*0ntx$M-w e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
HD|)D5wH| this.style.color=’buttontext’;this.style.cursor=’default’;");
BQf+1Ly& }
X^^ D[U h!%`odl%
写在DataGrid的_ItemDataBound里
T=Q{K|JE if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
[+7X&B {
cSDCNc*% e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
L KR,CPz this.style.color=’buttontext’;this.style.cursor=’default’;");
p}X87Zq e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
)
hB*Hjh }
>G7U7R}R YWF<2l. bvTkSEN 8.关于日期格式
M)Q+_c2* #TF 日期格式设定
YHAg4eb8 DataFormatString="{0:yyyy-MM-dd}"
\
.s".aA ?C\9lLX 我觉得应该在itembound事件中
'2oBi6|X e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
V#KM~3e `d#_66TLr 9.获取错误信息并到指定页面
`"4EE}eQc j` lK} 不要使用Response.Redirect,而应该使用Server.Transfer
#JM*QVzv IW*.B6Hw8 e.g
U%l{>*q // in global.asax
FM];+d0 protected void Application_Error(Object sender, EventArgs e) {
xoaQ5u if (Server.GetLastError() is HttpUnhandledException)
~=*_I4,+r Server.Transfer("MyErrorPage.aspx");
7X>3WF _;W|iUreb //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
TUr}p aw_ }
+[+Jd)Z ?OFvGd Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
`BY`ltW x #g,l2_! 10.清空Cookie
z>~3*a9& Cookie.Expires=[DateTime];
1cega1s3xR Response.Cookies("UserName").Expires = 0
=QRZ(2Wq )=@ XF0 11.自定义异常处理
0}N^l=jQ //自定义异常处理类
Mt>DAk using System;
K.~U%v} using System.Diagnostics;
{]]I4a H++rwVwj#h namespace MyAppException
,zaveQ~l {
2BY:qz%: /// <summary>
K9=_}lS@' /// 从系统异常类ApplicationException继承的应用程序异常处理类。
:QNEA3Q /// 自动将异常内容记录到Windows NT/2000的应用程序日志
{ar}.U /// </summary>
E3qX$|.$/ public class AppException:System.ApplicationException
sMK/l @7 {
K(^x)w r-: public AppException()
zO,sq%vQn' {
`shB[Lt if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
WjB[e> }
zD'gGxM1 Oc>-jhx? public AppException(string message)
4w,}1uNEf {
-~g3?!+Hb LogEvent(message);
bvG
Vfr " }
ia[wVxd yLP0w^Q public AppException(string message,Exception innerException)
jWz-7BO {
[*(MI 9WM LogEvent(message);
+Muyp]_ if (innerException != null)
='FEC-f95 {
t9}XO M* LogEvent(innerException.Message);
HFazqQ[ }
BI
s! }
k1<Py$9" IO4 IaeM //日志记录类
m`|Z1CT using System;
_rM%N+$&d_ using System.Configuration;
Z7v~;JzC# using System.Diagnostics;
4}CRM# W2 using System.IO;
)I#kG{z|P; using System.Text;
@l8?\^N using System.Threading;
8Xr3q eh+ ;dnn
2)m namespace MyEventLog
:X#(T-!t {
AYi$LsLhO /// <summary>
-}(W=r\ /// 事件日志记录类,提供事件日志记录支持
cA*%K[9 /// <remarks>
s-*XAnot /// 定义了4个日志记录方法 (error, warning, info, trace)
5FMKJ7sC9 /// </remarks>
kU /?#s /// </summary>
5IepVS(>?v public class ApplicationLog
75F&s,4+ {
#O~Y[''C5X /// <summary>
p#&6Ed*V /// 将错误信息记录到Win2000/NT事件日志中
;ry{cq /// <param name="message">需要记录的文本信息</param>
kahv1s- /// </summary>
]:njP3r public static void WriteError(String message)
WM#!X!Vo {
M;E&@[5 WriteLog(TraceLevel.Error, message);
x\=h^r#w }
H\S,^)drJ? wK3}K /// <summary>
gp}S 1 /// 将警告信息记录到Win2000/NT事件日志中
T&c[m!}X|t /// <param name="message">需要记录的文本信息</param>
dU\fC{1Z /// </summary>
4e:hKv,+4 public static void WriteWarning(String message)
L+u_153 {
>8VJ!Kg4 WriteLog(TraceLevel.Warning, message);
~2qFA2 }
WlY%f}ln lRrOoON /// <summary>
[:o#d`^ /// 将提示信息记录到Win2000/NT事件日志中
$OJ*Kul /// <param name="message">需要记录的文本信息</param>
3drgB;:g` /// </summary>
q\~7z1 public static void WriteInfo(String message)
Yc
%eTh {
LC}]6 WriteLog(TraceLevel.Info, message);
<ZocMv9gM }
Y}Ov`ZM!r /// <summary>
cz0tnF*& /// 将跟踪信息记录到Win2000/NT事件日志中
?gkK*\x2 /// <param name="message">需要记录的文本信息</param>
U3Q'ZT /// </summary>
iZ58;` public static void WriteTrace(String message)
X:dj5v {
l/`Z+]; WriteLog(TraceLevel.Verbose, message);
zJ\I%7h* }
4jXyA/F9V mF_/Rhu /// <summary>
)FB)ZK ; /// 格式化记录到事件日志的文本信息格式
rF5<x3 /// <param name="ex">需要格式化的异常对象</param>
EH[ ?*>+s /// <param name="catchInfo">异常信息标题字符串.</param>
LWW0lG!_F /// <retvalue>
8-m"] o3 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
{c$W-t):U| /// </retvalue>
2Zl65 /// </summary>
u_uC78`p public static String FormatException(Exception ex, String catchInfo)
IXH;QwR: {
-wO`o< StringBuilder strBuilder = new StringBuilder();
'Hq}h)` if (catchInfo != String.Empty)
6L4B$'&KQZ {
&
z?y strBuilder.Append(catchInfo).Append("\r\n");
3U}z?gP[ }
Lrk^<:8; strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
T"2ye9a return strBuilder.ToString();
1mB6rp }
&r_:n t kt@+UK." /// <summary>
:>cJ[K?0 /// 实际事件日志写入方法
%xY'v$
% /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
*zmbo >{( /// <param name="messageText">要记录的文本.</param>
I*0W\Qz@ /// </summary>
\h"s[G zq private static void WriteLog(TraceLevel level, String messageText)
s*S@}l {
W}EO]A%f.\ try
<|.M]]}j {
BtjsN22 EventLogEntryType LogEntryType;
J${wU@_% switch (level)
f+)F-3 {
7%0PsF _ case TraceLevel.Error:
]CTu | LogEntryType = EventLogEntryType.Error;
7%o\O{,U break;
JiRW|+`pe case TraceLevel.Warning:
$bN%x/ LogEntryType = EventLogEntryType.Warning;
te:@F]A break;
x*_c'\F| case TraceLevel.Info:
/+3|tb LogEntryType = EventLogEntryType.Information;
lfCoL@$6D break;
f}@]dF r case TraceLevel.Verbose:
'&UX'Dd~Q LogEntryType = EventLogEntryType.SuccessAudit;
-]N/P{=L break;
Ex~OT default:
af> i LogEntryType = EventLogEntryType.SuccessAudit;
NjMo"1d break;
K}Aaflq }
%]NbTTL 73P(oVj< EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
bZ0r/f,n$ //写入事件日志
T8ZsuKio] eventLog.WriteEntry(messageText, LogEntryType);
sYeZ.MacU 2p@S-Lp }
Vj`9j. 5 catch {} //忽略任何异常
1z{AzpMZ }
{N>VK* } //class ApplicationLog
'os-+m@ }
Ff.gRx YsLEbue 12.Panel 横向滚动,纵向自动扩展
[<bfwTFsl <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
m,Os$>{Ok }`>u+iH#a 13.回车转换成Tab
y_\vXY' <script language="javascript" for="document" event="onkeydown">
w!tQU9+* if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
8r+R~{ event.keyCode=9;
`y
m^0x8 </script>
qksN {t Pgb<;c:4 onkeydown="if(event.keyCode==13) event.keyCode=9"
% &{>oEQ kE/>Ys@w 14.DataGrid超级连接列
YpXUYNy DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
x1wm ]|BIf f |aO9w 15.DataGrid行随鼠标变色
BpRQG]L private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
u|B\@"0 {
`[7&tOvSk if (e.Item.ItemType!=ListItemType.Header)
QD q2< {
.#Z}}W# e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
EcFYP"{U e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
V/<dHOfR\ }
Spt[b.4m F }
=]&R6P> ,.G6c=pZ 16.模板列
eQJLyeR+ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
hAKyT~[n0 <ITEMTEMPLATE>
?}lgwKBHl; <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
PUF"^9v </ITEMTEMPLATE>
@C7#xGD </ASP:TEMPLATECOLUMN>
8kX3.X` @\b*a]CV <ASP:TEMPLATECOLUMN headertext="选中">
~1i,R1_\Y <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
/w`{]Ntgu <ITEMTEMPLATE>
>J|I <ASP:CHECKBOX id="chkExport" runat="server" />
(Sv 7^}j </ITEMTEMPLATE>
i8+kc_8#d <EDITITEMTEMPLATE>
'&'?
S <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
,m9Nd "6\ </EDITITEMTEMPLATE>
)k- 7mwkZ </ASP:TEMPLATECOLUMN>
Ilsh
Jo e#)}.
后台代码
w[UPoG #Uh protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
k-Le)8+b {
?7YX@x //改变列的选定,实现全选或全不选。
45>w=O CheckBox chkExport ;
;M>0, if( CheckAll.Checked)
X_!Sm {
E_/v$ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
rM/*_0[`d {
6P3ezl@#; chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
0`3ey* chkExport.Checked = true;
*Iyv${ }
8HxB\ !0F? }
Wi'BX#xCB else
:DR
G=-M {
vFV->/u foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
b'St14_ {
P)tX U chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
kS[k*bN0 chkExport.Checked = false;
Cx}
Yp- }
0@.$(Aqo( }
\"<&8 }
Z:&"Ax L/c$p`- 17.数字格式化
1e _V@Vy cSnm \f 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Fx/9T2%= <%#Container.DataItem("price","{0:¥#,##0.00}")%>
7Q/v#_e( +[zrU`!@ int i=123456;
Q{Jz;6" string s=i.ToString("###,###.00");
J3}^\k=p" I`5F&8J{ 18.日期格式化
_r+9S.z BT2[@qH|qF 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
? Ls]k (|I0C 'Ki 显示为: 2004-8-11 19:44:28
qWy{{A+ 4O[5, 我只想要:2004-8-11 】
FwBktuS <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
3Nsb@0 a`~$6
"v 应该如何改?
~g;(`g S2*-UluG 【格式化日期】
7Aq4YjbX a^)7&|$ E 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
RCND|X qV@xEgW#r 【日期的验证表达式】
&dbX>u q LZX-am`% A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
jSa EwN ^((\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})))?$
tJ&S&[} `Rm2G B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
IgLP=mqcWK ^\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]))$
8Nd + ]Q6,,/nn 【大小写转换】
+4GuA0N6 HttpUtility.HtmlEncode(string);
TAi
|]U! HttpUtility.HtmlDecode(string)
qdAz3iye S;Lqx5Cd 19.如何设定全局变量
n)sK#C-VA YxGIv8O] Global.asax中
*xkbKkm Gvtd )9^< Application_Start()事件中
mu=u!by.E E-E+/.A 添加Application[属性名] = xxx;
FnvN 4h{S \7$m[h{l 就是你的全局变量
w^A8ZT0^7 v\n!Li H 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
3543[W#a <*8nv.PX* HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
~
W52Mbf /U N%P2>^1 【ASPNETMENU】点击菜单项弹出新窗口
K{x<zv&, qWw@6VvoQ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
'gI58#v <?xml version="1.0" encoding="GB2312"?>
>^+Q`"SN <MenuData ImagesBaseURL="images/">
'?_I-="Mr <MenuGroup>
^}U{O A <MenuItem Label="内参信息" URL="Infomation.aspx" >
.NQoqXR <MenuGroup ID="BBC">
cK@O)Ko} <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
O4]Ss}ol <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
:}+U?8/"7 ......
y?_tSnDK vkc(-n 最好将你的aspnetmenu升级到1.2版
q/m}+v] PM[6U# 21.读取DataGrid控件TextBox值
vQc>jmS+n foreach(DataGrid dgi in yourDataGrid.Items)
\@MGOaR] {
Sn7.KYS TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
dWI/X tb.Text....
<2}"Y(zwKl }
|I)MsNF ln3x1^! 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
|Ro\2uSr hCQ{D|/ 〖思归〗
*v8Cj(69 <asp:TemplateColumn HeaderText="数量">
57K1e~^ <ItemTemplate>
S9U9;>g <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
bnB}VRal onkeyup="javascript:DoCal()"
@B7; />
I BES$[ $Snwx <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
"O9uz$ </ItemTemplate>
"%,zB_ng\< </asp:TemplateColumn>
sJ3HH0e c6BaC@2 <asp:TemplateColumn HeaderText="单价">
CDU^X$Q <ItemTemplate>
3zs~Y3M?i <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
B:^5W{ onkeyup="javascript:DoCal()"
T(J&v|FK />
Bi?.G7> 90K&s#+13 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
8Vl!&j0s^ "=P@x|I </ItemTemplate>
rh$%*l </asp:TemplateColumn>
4A|5eg9N Kc{fT^E <asp:TemplateColumn HeaderText="金额">
c9r2kc3cy{ <ItemTemplate>
4;w_o9o <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
xCoQ>.4p </ItemTemplate>
0BxO75m}o </asp:TemplateColumn><script language="javascript">
~[k2( function DoCal()
|{t}ULc {
@B+ var e = event.srcElement;
O?8G var row = e.parentNode.parentNode;
iCc@N|~ var txts = row.all.tags("INPUT");
]C5JP~#z if (!txts.length || txts.length < 3)
Q'$aFl'NR return;
5-=mtvA: ymr-kB var q = txts[txts.length-3].value;
m(*CuM[E var p = txts[txts.length-2].value;
~[ve?51 1eiH%{w if (isNaN(q) || isNaN(p))
pm3? return;
)|Y"^K%Jm Q8z>0ci3o q = parseInt(q);
9-}&znLZe p = parseFloat(p);
A/BL{ U} TtkB txts[txts.length-1].value = (q * p).toFixed(2);
s{$c 8 }
pX6OhwkTK </script>
2E=E!Zwt_ NpH)K:$#% )Bd+jli|s -I\_v*nA F?5kl/(" 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。
0D$+WX page_load
HYW+,ts' page.smartNavigation=true
#t3ju^ |? 8.]dThaq 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
8c]\4iau private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
_y5b>+ {
KWN0$*4 for(int i=0;i<e.Item.Cells.Count-1;i++)
r(i<H%"Z if(e.Item.ItemType==ListItemType.EditType)
NWX~@Rg {
}JrM!' e.Item.Cells.Attributes.Add("Width", "80px")
>{npg2 }
pwU]r }
1T!_d&A1o r{6 ,; 26.对话框
pEhWgCL private static string ScriptBegin = "<script language=\"JavaScript\">";
_%Mu{Ni& private static string ScriptEnd = "</script>";
-D{~7& wQ(ME7t public static void ConfirmMessageBox(string PageTarget,string Content)
/M B0%6m {
Tje =vI string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
a]
>|2JN<& HTkce,dQ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Es[?yft2Q< %o+bO}/9 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
VaSw}q/o:/ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
9I30ULm //Response.Write(strScript);
!4I?59 }
&AOw(?2 b\]"r x
( 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
cnCUvD]' j!:U*}f 1.1 取当前年月日时分秒
LF*3Iw|v currentTime=System.DateTime.Now;
.- c3f1i UxD1+\N6? 1.2 取当前年
>D<nfG<s Z int 年= DateTime.Now.Year;
G?>~w[#mQR ~~ )&? \N 1.3 取当前月
6~$< int 月= DateTime.Now.Month;
sy/J+== BFj@Z'7P 1.4 取当前日
]WyV~Dzz< int 日= DateTime.Now.Day;
!Me%W3 LUS7-~:F 1.5 取当前时
'#u2q=n4* int 时= DateTime.Now.Hour;
bs%]xf
~D; 3<fJ5-z|- 1.6 取当前分
f&^Ea-c int 分= DateTime.Now.Minute;
)@SIFE 9OT2yCT 1.7 取当前秒
%k$+t int 秒= DateTime.Now.Second;
G.B^C)guu >`,v?<>+ 1.8 取当前毫秒
#J^p,6 int 毫秒= DateTime.Now.Millisecond;
0Xk;X1Xl HzbO#)Id-I 28.自定义分页代码:
0SvPyf%AC GXJ3E"_. 先定义变量 :
G/<{:R" public static int pageCount; //总页面数
YhR?*Di public static int curPageIndex=1; //当前页面
#)cRD#0 b;!ilBc 下一页:
K7e<hdP_# if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
\O7,CxD2 {
vc^PXjX DataGrid1.CurrentPageIndex += 1;
/ HaS. curPageIndex+=1;
bmT J }
xW"J@OiKL nR"k%$ bind(); // DataGrid1数据绑定函数
6LvUi|~"< 2$1rS}} 上一页:
\ 0<e#0-V if(DataGrid1.CurrentPageIndex >0)
BKvF,f/g {
o2Pj|u*X DataGrid1.CurrentPageIndex += 1;
Txoc curPageIndex-=1;
UK&E#i }
$RA"NIZ:! {-17;M$ bind(); // DataGrid1数据绑定函数
"#e2"=3* }[i35f[w 直接页面跳转:
JanLJe) int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
~@got by8d18:it if(a<DataGrid1.PageCount)
#NL1N_B {
!L3Bvb;Q this.DataGrid1.CurrentPageIndex=a;
Saz+GQ G }
^ /g&Q @ZX{q~g! bind();
=
b)q.2'# \vm'D'9 29.DataGrid使用:
c+4SGWmO w_|WberU 添加删除确认:
(<%i8xu2 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
z':>nw {
162qx R[. foreach(DataGridItem di in this.DataGrid1.Items)
2d1'!B
zDA {
a`|/*{ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
;=uHK'{ {
0s<o5`v ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
9`09.`U9[ }
KCCS7l/ }
%LVk%kz }
Hs-NP#I SXod r}
样式交替:
MuO>O97 ListItemType itemType = e.Item.ItemType;
5'z&kl0"S /!%P7F if (itemType == ListItemType.Item )
EG9S?
$ {
/H3,v8J@ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
f-{[ushj e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
(.n"
J2qj }
9)4N2= else if( itemType == ListItemType.AlternatingItem)
cAktSoF {
?W(wtp,o e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
FAQ:0L$G e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
UT^t7MY#O }
k)4|% wT.V3G 添加一个编号列:
o[cKh7&+ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
@*2FG\c< DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
j?&FK [e&$4l IS for(int i=0;i<dt.Rows.Count;i++)
`*N0 Lbl] {
Rw.
Uz& dt.Rows["number"]=(i+1).ToString();
D#k>.)g }
?29
KvT;#] `__CL
)N| DataGrid1.DataSource=dt;
6DR8(j)=[% DataGrid1.DataBind();
H%sQVE7m }_gq vgI>p DataGrid1中添加一个CheckBox,页面中添加一个全选框
*y0`P0V|8 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
m' aakq {
<`N\FM^vo foreach(DataGridItem thisitem in DataGrid1.Items)
_6(zG.Fg {
H$[--_dI{ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
Xbu >8d?n }
N.isvDk% }
J#X 7Ss 6l> G>) 将当前页面中DataGrid1显示的数据全部删除
z5i!GJB foreach(DataGridItem thisitem in DataGrid1.Items)
p@Qzg
/X {
B\("08x if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Az.Y-O<$\ {
kv'n W string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
\dfq&oyU\ Del (strloginid); //删除函数
x[>A'.m@) }
g^]Q*EBa }
*v8 ]99N Mv9s 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)
qrdA?VV $h$+EE! 在Application_Start中添加以下代码:
),~Ca'TU Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
@RnG K 5 AppSettings["ConnStr"].ToString();
Dgkt-:S/T| FF/MTd}6qG 31. 变量.ToString()
o+ tY[UX wIY#TBu 字符型转换 转为字符串
rSZWmns 12345.ToString("n"); //生成 12,345.00
#Y{"`5> 12345.ToString("C"); //生成 ¥12,345.00
8F@6^9C 12345.ToString("e"); //生成 1.234500e+004
AOfQqGf 12345.ToString("f4"); //生成 12345.0000
W&*{j;e9%I 12345.ToString("x"); //生成 3039 (16进制)
>Ek`PVPD 12345.ToString("p"); //生成 1,234,500.00%
dIf Jr}ih qM9GW`CKA 32、变量.Substring(参数1,参数2);
leD?yyjw7 \J13rL{< 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_-yT[i A l` ;SWN 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)
@.g4?c <SCRIPT language="javascript">
cfj6I <!--
ck@[% ? function gook(pws)
O{dx+f {
YJ"gm]Pm frm.submit();
)0%<ZVB }
}5]NUxQ_ //-->
nnE@1X3 C )PN </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
:4Y|%7[
<form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
!BY=HFT <tr>
U .rH,` <td>
gr2zt&Z4 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
BPPhVE <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
d6L(Q(:s <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
1XZ&X] zMG4oRPP <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
J
L Z <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
%_z]iz4 0}b8S48|? </td>
Y# lE i'57| ;? </tr>
S\f^y8*< :Ert57@l </form>
p1&d@PF&& ogPfz/ hw 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。
\
0CGS VJNPs6 下面是获取用户输入的登陆信息的代码:
'6aH*B:}*; string name;
X%gJ,c(4 name=Request.QueryString["EmailName"];
cvC;QRx eHjR/MMr_ try
)GR^V=o7,Y {
H(g&+Wcu= int a=name.IndexOf("@",0,name.Length);
xE9s=} f_user.Value=name.Substring(0,a);
"W1 q}4_ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
+I/P5OGRN f_pass.Value=Request.QueryString["Psw"];
{6KU.'#iF }
k!%HcU%J xWlB!r<}Gz catch
]]]7"a {
-x RsYYw Script.Alert("错误的邮箱!");
UIyOn` d " Server.Transfer("index.aspx");
|M0TG }