1. 打开新的窗口并传送参数:
,<ya@Fi{ H D/5!d 传送参数:
s[3fqdLP& response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
,[48Mspp H!IDV}dn 接收参数:
%4>x!{jwV string a = Request.QueryString("id");
~hN~>0O string b = Request.QueryString("id1");
c"gsB!xh 00vBpsZj2; 2.为按钮添加对话框
b_$1f> Button1.Attributes.Add("onclick","return confirm(’确认?’)");
qFRdg V>8 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
96|[}:+$&: y@vj;3: 3.删除表格选定记录
2%rLoL$Y2+ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
j033%p+Xc string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
p{;i& HNdp
&LQ% 4.删除表格记录警告
t
Y1Et0 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
&m{'nRU}c {
8KjRCm,I switch(e.Item.ItemType)
)3?rXsSR {
ysXx%k case ListItemType.Item :
B0mLI%B case ListItemType.AlternatingItem :
"HQF.#\# case ListItemType.EditItem:
Yx?aC!5M TableCell myTableCell;
-rY 7)= myTableCell = e.Item.Cells[14];
s_wUM)! LinkButton myDeleteButton ;
J?712=9 myDeleteButton = (LinkButton)myTableCell.Controls[0];
2P~)I)3V myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
A! 6r/
break;
)3E,D~1e% default:
mVH,HqsXa break;
H:oQ }
SX+RBVZU ['Z{@9 }
Sgj/s~j~1 )r!e2zc=Q 5.点击表格行链接另一页
V7<eQ0;m
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Px4/O~bLk {
mIc:2.q^ //点击表格打开
z-u?s`k** if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
v|+5:jFOqb e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
z: G}>fk5 }
sk X]8 K84&sSi 双击表格连接到另一页
m/${8 6}&^=^- 在itemDataBind事件中
f~\Xg7< if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
6M><(1fT {
$-G`&oT string OrderItemID =e.item.cells[1].Text;
Lar r}o= ...
Lx+`<<_dJ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
g6' !v }
IcoowZZ 70iH0j) 双击表格打开新一页
E 5kF^P if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
P W[6/7 {
ju{%'D!d9 string OrderItemID =e.item.cells[1].Text;
RV!<?[ ...
-0|K,k e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
W);W.:F }
cC6z,0`3 eqFvrESN~= ★特别注意:【?id=】 处不能为 【?id =】
ePA;:8)_j 6.表格超连接列传递参数
G(OFr2M <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
z\Ui8jo:; <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Ml`vx %8D?$v"#Z 7.表格点击改变颜色
T\3 [F%? if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
sc xLB; {
?y_awoBd1 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
6"%qv`.Fp this.style.color=’buttontext’;this.style.cursor=’default’;");
w~-X>~ } }
( pD7 .Ty,_3+{#p 写在DataGrid的_ItemDataBound里
Vipp /WV if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
~%P3Pp {
e[4V%h e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Yo'K pdn this.style.color=’buttontext’;this.style.cursor=’default’;");
(T;9us0 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
1ih* gJPpj }
xwLy|& IK?]PmN4} plku-O;] 8.关于日期格式
dQ6GhS~ aL)Hv k: 日期格式设定
jsWX 6(= DataFormatString="{0:yyyy-MM-dd}"
YN^jm oFyeH )! 我觉得应该在itembound事件中
P`2&*2, e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
>EBC 2WJ K -E`y 9.获取错误信息并到指定页面
gb_X?j%p7 ADBpX> 不要使用Response.Redirect,而应该使用Server.Transfer
41'EA\V ,9vJtP+T+! e.g
)*HjRTF6G // in global.asax
3ZN>9` protected void Application_Error(Object sender, EventArgs e) {
hho%~^bn( if (Server.GetLastError() is HttpUnhandledException)
jZ#UUnR% Server.Transfer("MyErrorPage.aspx");
#Q+R%p[D 0x#E4v(UA //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
?pKN'` }
Oxj(g;} *H*\gaSh 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
F(0Z ]#+ u_Zm1*'?B 10.清空Cookie
g< )72-h Cookie.Expires=[DateTime];
lPp6
pVr Response.Cookies("UserName").Expires = 0
f!!P ^2JPyyZa 11.自定义异常处理
#S*pD?VZ //自定义异常处理类
d5'
)6 using System;
`vX4!@Tw using System.Diagnostics;
z"qv w`-$-4i namespace MyAppException
6`W|V+6|7 {
TU-c9"7M~ /// <summary>
T0?uC/7H /// 从系统异常类ApplicationException继承的应用程序异常处理类。
nrbazyKm /// 自动将异常内容记录到Windows NT/2000的应用程序日志
2:~cJk{ /// </summary>
/=ACdJ public class AppException:System.ApplicationException
<4$YO-:E {
x
Ty7lfSe public AppException()
N6BNzN}-P {
pj@Yqg/ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
w5Z2N[hy }
9b%|^.B [yvt1:q public AppException(string message)
##2`5i-x {
"B?R|
Xg LogEvent(message);
D{W
SKn }
S|) J{~QH @Q3, bj public AppException(string message,Exception innerException)
%xpd(&)n {
Yg|"- LogEvent(message);
BDp:9yau if (innerException != null)
rFO_fIJno {
1^tSn#j LogEvent(innerException.Message);
'tut4SwC }
:r-.r"[m- }
H}a)^90_ )Oo2<:" //日志记录类
D2Vv\f using System;
pd7O`.3 using System.Configuration;
t#{x?cF using System.Diagnostics;
*{Yi}d@h( using System.IO;
)5'rw<:=" using System.Text;
]*a@*0= using System.Threading;
_ flgQ i<Q&
D\Pv namespace MyEventLog
OMi02tSm {
_ Q{T '; /// <summary>
-Sp/fjlq/ /// 事件日志记录类,提供事件日志记录支持
!6{Jq] /// <remarks>
j7,13,t1- /// 定义了4个日志记录方法 (error, warning, info, trace)
pOX$4$VR< /// </remarks>
7\f{'KL /// </summary>
gINwvzW{ public class ApplicationLog
%B0w~[!4} {
|FjBKj /// <summary>
sl% #u9r= /// 将错误信息记录到Win2000/NT事件日志中
zF=#6 /// <param name="message">需要记录的文本信息</param>
+*: }p /// </summary>
S;>4i!Mb
^ public static void WriteError(String message)
C)U #T) {
A3<^ U WriteLog(TraceLevel.Error, message);
XnPJC' }
=>e?l8`% yr%yy+(.k /// <summary>
JR!Q,7S2!N /// 将警告信息记录到Win2000/NT事件日志中
T<XfZZ)l<` /// <param name="message">需要记录的文本信息</param>
8B_0!U&] /// </summary>
"wC0eDf public static void WriteWarning(String message)
XRtyC4f
{
IL2e6b WriteLog(TraceLevel.Warning, message);
wG;}TxrLS }
:ao^/&HZ 219R&[cb /// <summary>
(I>HWRH /// 将提示信息记录到Win2000/NT事件日志中
%-\FVKX /// <param name="message">需要记录的文本信息</param>
Y'2-yB /// </summary>
F9F" F public static void WriteInfo(String message)
3>H2xh 3Y {
Tw}@+- WriteLog(TraceLevel.Info, message);
j/~VP2R` }
vNPfUEnA /// <summary>
4+-5,t7 /// 将跟踪信息记录到Win2000/NT事件日志中
v*smI7aH /// <param name="message">需要记录的文本信息</param>
"IOC[ #&G /// </summary>
)nJzSN=>$ public static void WriteTrace(String message)
o@Scz!"g {
U.Pa7tn WriteLog(TraceLevel.Verbose, message);
D xe-XKNc. }
-|6V}wHg~ KBd7|,j /// <summary>
Nz3zsP$ /// 格式化记录到事件日志的文本信息格式
P_kaIPP /// <param name="ex">需要格式化的异常对象</param>
-hQ96S8 /// <param name="catchInfo">异常信息标题字符串.</param>
&qNP?>C!= /// <retvalue>
IES41y< /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
8y-e+ /// </retvalue>
jkZ_c! /// </summary>
>F,$;y52 public static String FormatException(Exception ex, String catchInfo)
OY+!aG@. {
!}z%#$ StringBuilder strBuilder = new StringBuilder();
)lQN)!.) if (catchInfo != String.Empty)
0T7M_G'5Q {
~o}moE/
;O strBuilder.Append(catchInfo).Append("\r\n");
0@o;|N"i }
])+Sc"g4k strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
H<v c\r return strBuilder.ToString();
|*lH9lWJ }
A$%@fO.b ],!\IqO /// <summary>
JJ^iy*v /// 实际事件日志写入方法
%j~9O~- /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
.@4Q kG/ /// <param name="messageText">要记录的文本.</param>
*U( 1iv0n /// </summary>
j7QBU private static void WriteLog(TraceLevel level, String messageText)
;%v%K+}r {
9vB9k@9 try
sx<}
tbG
{
H4P\hOK7r EventLogEntryType LogEntryType;
z:dXc switch (level)
hVQ7'@ {
9m%7dsv case TraceLevel.Error:
e@='Q H LogEntryType = EventLogEntryType.Error;
Z}]:x
`fXd break;
pA*D/P- case TraceLevel.Warning:
zfk'>_' LogEntryType = EventLogEntryType.Warning;
=4YbVA+( break;
j:3A;r\ case TraceLevel.Info:
]$* $0 LogEntryType = EventLogEntryType.Information;
HY*l 4QK break;
*=($r%) case TraceLevel.Verbose:
~5-~q0Ge LogEntryType = EventLogEntryType.SuccessAudit;
pP?<[ql[w break;
*5ka.=Qs default:
@C!JtgO% LogEntryType = EventLogEntryType.SuccessAudit;
}`+O$0A break;
dL1~]Z
y
}
_Ym&UY.u# *O"%tp6 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
!X \Sp} //写入事件日志
M>`?m
L eventLog.WriteEntry(messageText, LogEntryType);
DR.3
J`?K nEjo, }
aL_;`@4 catch {} //忽略任何异常
?AqrlR]5 }
BZ]&uD|f
} //class ApplicationLog
sg'Y4 }
AlPL;^Y_l O^QR;<t' 12.Panel 横向滚动,纵向自动扩展
P^'>dOI0w <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
9+WY@du+ *Y|lO 13.回车转换成Tab
eukX#0/^ <script language="javascript" for="document" event="onkeydown">
nOA,x if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
~$ cm9> event.keyCode=9;
>=Rd3dgDG </script>
8eg2o$k_,# d +*T@k]>M onkeydown="if(event.keyCode==13) event.keyCode=9"
17MN8SfQ )W_ Y3M, 14.DataGrid超级连接列
,*9#c*'S DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
=RCfibT!C ;/6:lL 15.DataGrid行随鼠标变色
{,nd_3"Vq private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
|THkS@Br {
%8bFQNd if (e.Item.ItemType!=ListItemType.Header)
~FK+bF?% {
rRF+\cP?. e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
$g}/T_26 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
*g/I&'^ }
ND)M3qp2( }
YyX^lL_ ~|$) 1 16.模板列
vZ1D3ytfG <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
q\{;_?a <ITEMTEMPLATE>
!VJT"Ds_ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
H4K(SGx </ITEMTEMPLATE>
m \R@.jkZ </ASP:TEMPLATECOLUMN>
(o6A?37i K4K3<Pg <ASP:TEMPLATECOLUMN headertext="选中">
-7C=- \]
<HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
(AyRs7Dkn <ITEMTEMPLATE>
hs -}:^S` <ASP:CHECKBOX id="chkExport" runat="server" />
X:zyzEhS </ITEMTEMPLATE>
/_ hfjCE <EDITITEMTEMPLATE>
j,gM+4V^ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
]8q%bsl+ </EDITITEMTEMPLATE>
]ci|$@V </ASP:TEMPLATECOLUMN>
(<5'ceF)X B8BY3~}] 后台代码
-Y!=Iw
4 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
dxae2 tV {
)nbyV a //改变列的选定,实现全选或全不选。
Z;dwn~Tw CheckBox chkExport ;
rsq'60 if( CheckAll.Checked)
H7cRWB {
NZi'eZ{^` foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
\a~;8):q=i {
XH_qA[=c] chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Cbf,X[u chkExport.Checked = true;
:">~(Rd ZH }
*I;Mp }
s>"WQ|;6 else
<)0LwkFtB {
zL[U; foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
@N:3`[oB {
m8j#{[NE chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
:jN;l chkExport.Checked = false;
G41$oalQ1 }
G1n>@Y'j'' }
.,iw2: }
w-q=.RSTn= CsQ}P) 17.数字格式化
_#\5]D~"" z;@S_0M,Z 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
@?($j)9} <%#Container.DataItem("price","{0:¥#,##0.00}")%>
)Lv6vnT> YRT}fd>R& int i=123456;
sjVl/t`l string s=i.ToString("###,###.00");
07HX5 Hd =,}!Ns{k 18.日期格式化
2[bR6 T89 hF{mm(qyv 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
L52z
,"HpV 显示为: 2004-8-11 19:44:28
n
B|C-.F ROI$;B( 我只想要:2004-8-11 】
4tN~UMw? <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
"MVN/Gl [$ Xu 应该如何改?
GQc%OQc\ #7E&16Fk 【格式化日期】
H6+st`{ BRQ5 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
)F9V=PJE uma9yIk 【日期的验证表达式】
F\$}8,9 C8%nBa/ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
$F==n4) ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
jind!@}! ,hcBiL/ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
?)ZLxLV:: ^\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]))$
,\">o vV33 k?_$h<Y 【大小写转换】
i\c^h;wX HttpUtility.HtmlEncode(string);
]`+"o[ HttpUtility.HtmlDecode(string)
Ub-k<]yZ 9R<J$e 19.如何设定全局变量
,HjHt\!~< Z{>Y':\?< Global.asax中
z8MpE -ZMl[;OM Application_Start()事件中
<H(AS' WW
Kr & ) 添加Application[属性名] = xxx;
"Mu$3w .cnw?EI 就是你的全局变量
E"vi+'(v CX@HG)l 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
m_Y}> "\P~Re"EH HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
Ffqn|}gb vskM; 【ASPNETMENU】点击菜单项弹出新窗口
'Y/V9;`)s O"w_sw 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
MDXQj5s^ <?xml version="1.0" encoding="GB2312"?>
` G/QJH{I <MenuData ImagesBaseURL="images/">
NhaeAD
$e <MenuGroup>
% w/1Uo24 <MenuItem Label="内参信息" URL="Infomation.aspx" >
9hi(P*%q <MenuGroup ID="BBC">
|kRx[UL <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
S}oF7;'Ga <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
r_2VExk ......
XcW3IO Op)R3qt{ 最好将你的aspnetmenu升级到1.2版
o3`gx 5L'@WB|{4u 21.读取DataGrid控件TextBox值
fxCPGj foreach(DataGrid dgi in yourDataGrid.Items)
5EZr"[8M {
AI`1N%Owi TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
J*kzJ{vwy* tb.Text....
SOY#, Zu }
oZ>]8vw Kh_>V m/ 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?
vt7C :=fHPT 〖思归〗
2tTV5,(1 <asp:TemplateColumn HeaderText="数量">
yvnrZ&x: <ItemTemplate>
Ib<+m%Ac <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
*v-xC5L1\ onkeyup="javascript:DoCal()"
E;*TRr>< />
$+yQ48Wq 3xR#,22:} <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
9n2%7dLQ* </ItemTemplate>
%.} </asp:TemplateColumn>
%1l80Z st^N QL <asp:TemplateColumn HeaderText="单价">
UVi/Be#| <ItemTemplate>
9(\N+ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
1+[|pXT} onkeyup="javascript:DoCal()"
3B]+]e~ />
Bc`A]U
WN?`Od:y <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
n!,TBCNX '
=s*DL`0 </ItemTemplate>
[UrS%]OSR </asp:TemplateColumn>
\d8=*Zpz7
oEf^o*5( <asp:TemplateColumn HeaderText="金额">
$XzlW=3y <ItemTemplate>
Qpu2RfP <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
{@`Uf;hPAX </ItemTemplate>
=*G'.D /* </asp:TemplateColumn><script language="javascript">
<{~UKi function DoCal()
;&:Et {
n/|`Dz. var e = event.srcElement;
=Qq^=3@h var row = e.parentNode.parentNode;
tWy<9TF var txts = row.all.tags("INPUT");
{}2p1-( if (!txts.length || txts.length < 3)
k:yu2dQh return;
>.sN?5}y ?v*7!2; var q = txts[txts.length-3].value;
4C*=8oe_ var p = txts[txts.length-2].value;
nqW:P$ im%3*bv- if (isNaN(q) || isNaN(p))
2n,73$s return;
833t0Ml1A/ QE6-(/ q = parseInt(q);
--hnv/AjI p = parseFloat(p);
?a_q!,8: DFH6.0UW txts[txts.length-1].value = (q * p).toFixed(2);
(9lx5 }
WM7/|.HQ </script>
9E*K44L/V DccsVR`7 q.Mck9R7 !S}Au Mw @_Oe`j^ 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
soCHwiE page_load
=5#Jsn?U page.smartNavigation=true
~&jCz4M -v2q:x'G# 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
ZOsn,nF private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
fN>|X\- {
C\h<02 for(int i=0;i<e.Item.Cells.Count-1;i++)
)}lV41u if(e.Item.ItemType==ListItemType.EditType)
Gi2Ey37]O {
O/~^}8TLL e.Item.Cells.Attributes.Add("Width", "80px")
1Ac1CsK* }
g0$k_ }
f@g n#,l&Bx 26.对话框
CplRnKra private static string ScriptBegin = "<script language=\"JavaScript\">";
LxDhthZi_ private static string ScriptEnd = "</script>";
_YUF /B' Q*(C)/ QW public static void ConfirmMessageBox(string PageTarget,string Content)
Rb*\A7o|; {
':dHYvP/UX string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
{NDe9V5 h0pr"]sO;$ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
S?tLIi/ |`/uS;O Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
^%^0x'" ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
9jO+ew //Response.Write(strScript);
U$Z}<8 }
xb;mm9H
f ebh1rUX 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
fe/6JV
e8v=n@0 1.1 取当前年月日时分秒
p$<qT^]& currentTime=System.DateTime.Now;
3S?+G)qKo hdb4E|'A 1.2 取当前年
?^Ux+mVE int 年= DateTime.Now.Year;
U0T N8O}Z R:p,Hav<q 1.3 取当前月
A4x3TW? int 月= DateTime.Now.Month;
)UUe5H6Hd0 r/ f;\w7 1.4 取当前日
z$b!J$A1 int 日= DateTime.Now.Day;
CxV%/ChJ# B.jYU 1.5 取当前时
bq]a8tSB int 时= DateTime.Now.Hour;
{xH@8T$DX I-"{m/PEdg 1.6 取当前分
n5/Q)*e0'# int 分= DateTime.Now.Minute;
(v}: YJ$
=`lIM 1.7 取当前秒
kRPg^Fw"Vw int 秒= DateTime.Now.Second;
>AJ|F) [l:.Q?? )| 1.8 取当前毫秒
Mr(3]EfgO int 毫秒= DateTime.Now.Millisecond;
e:<>
Yq+ uUs>/+ 28.自定义分页代码:
.EwK>ro4 H'> 先定义变量 :
a/fYD2uNo public static int pageCount; //总页面数
_{%H*PxTn= public static int curPageIndex=1; //当前页面
8E{>czF" PMcyQ2R-> 下一页:
!C?z$5g if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
\9^@,kfP {
k"$V O+}m DataGrid1.CurrentPageIndex += 1;
9~yuyv4$ curPageIndex+=1;
r MlNp?{_ }
K%;yFEZ ~O6=dR
bind(); // DataGrid1数据绑定函数
Is[0ri ":ycyN@g 上一页:
79_MP if(DataGrid1.CurrentPageIndex >0)
Viw3 /K {
=KLYR UW DataGrid1.CurrentPageIndex += 1;
QZo l(2~Y curPageIndex-=1;
D.?gV_ }
'-=?lyKv I4'j_X
t bind(); // DataGrid1数据绑定函数
%+~0+ev7r +L6d$+ 直接页面跳转:
?a@l.ZM* int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
*VB*/^6A ix;8S=eP~{ if(a<DataGrid1.PageCount)
^(R
gSMuT` {
om6R/K this.DataGrid1.CurrentPageIndex=a;
dQ]j
r. }
HFOp4 ^Tx1y[hw$ bind();
Z/x~:u_ bkTj
Q 29.DataGrid使用:
?$Pj[O^hl ~m7+^c@, 添加删除确认:
vNIQc "\- private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
q`hg@uwA{` {
wlJ1,)n^2 foreach(DataGridItem di in this.DataGrid1.Items)
#A!0KN;GC2 {
cf9y0 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
RiklwR#~r/ {
\N30SG?o ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
?AE%N.rnsi }
x&
S >Mr }
{$^|^n5j }
@Klj!2cv$ mwxJ# 样式交替:
5|Qr"c$p ListItemType itemType = e.Item.ItemType;
xlAaIo)T `F#KXk if (itemType == ListItemType.Item )
H@zpw1fH+ {
U!4 ^; e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
-SQYr e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
A:f+x|[ }
eR
CGr?e4 else if( itemType == ListItemType.AlternatingItem)
P\JpE {
j*"s~8u4 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
M%/D:0 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Ts\7)6|F }
6C:Lq%} >qCT#TY 添加一个编号列:
0Ko,S(M_ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
N@g+51ye DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
'5%DKz `Oi@7/oT for(int i=0;i<dt.Rows.Count;i++)
7_RU*U^ {
#p]On87> dt.Rows["number"]=(i+1).ToString();
(_* a4xGF }
(\j<`"n y$WS;# DataGrid1.DataSource=dt;
jVDNThm+ DataGrid1.DataBind();
1na[=Q2 Po5}Vh DataGrid1中添加一个CheckBox,页面中添加一个全选框
j[9B,C4 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
wP%;9y2B {
<:?&}'aA foreach(DataGridItem thisitem in DataGrid1.Items)
xK/`XY {
*;Vq0a! ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
&>-Cz%IV }
q~qig,$Y }
$jHL8r\e7 SNQ+ XtoO 将当前页面中DataGrid1显示的数据全部删除
m ]\L1& foreach(DataGridItem thisitem in DataGrid1.Items)
HN:{rAIfc {
}~7>S5 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
$hL0/T-m {
m2;%|QE( string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
|:\h3M Del (strloginid); //删除函数
hm&~6rB }
ZrTq)BZ }
thh, V ?F-,4Ox{/ 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
1xw},y6T2 Z1Ms~tch 在Application_Start中添加以下代码:
,"D1!0 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
G
5)?! AppSettings["ConnStr"].ToString();
_?{2{^v &rn,[w_F[ 31. 变量.ToString()
9DIG K\ L8V'mUyD 字符型转换 转为字符串
CTwP{[%Pk 12345.ToString("n"); //生成 12,345.00
KT3[{lr 12345.ToString("C"); //生成 ¥12,345.00
HjK|9 12345.ToString("e"); //生成 1.234500e+004
^3el-dZ 12345.ToString("f4"); //生成 12345.0000
O&}0 7( 12345.ToString("x"); //生成 3039 (16进制)
As"'KR 12345.ToString("p"); //生成 1,234,500.00%
2uB.0
`p!.K9r7 32、变量.Substring(参数1,参数2);
4o%hH toF@@% 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
pRC#DHcHh y"2c; *7[{ 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
U<*dDE~z <SCRIPT language="javascript">
*@O;IiSE <!--
2W}RXqV< function gook(pws)
=%a.C(0&G {
"$WZd frm.submit();
6:e0?R^aD" }
NWKD:{ //-->
1r;Q5[@ 46mu,v </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
"dA"N$ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
rIu>JyC"p <tr>
=~R0U <td>
oL<^m?-u <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
&R 0BuFL8 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
QII>XJ9 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
[9w8oNg0 *`dGapd3 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
[x@iqFO9 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
9{+B lNZ ?f a/}|T </td>
towQoqv Z
rvb
% </tr>
P/^:IfuR OrzDr </form>
r>
NgJf, 0n5N-b?G-@ 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。
`AYHCn HIF.;ImG^ 下面是获取用户输入的登陆信息的代码:
{~Phc 2z string name;
%R}}1 name=Request.QueryString["EmailName"];
Rrs z{a
UA{A G; try
>ztv3^w {
e\\ I, int a=name.IndexOf("@",0,name.Length);
/H}83 C f_user.Value=name.Substring(0,a);
?:UDK? f_domain.Value=name.Substring(a+1,name.Length-(a+1));
vRm;H|[%S f_pass.Value=Request.QueryString["Psw"];
."9v1kW }
SV-pS># *r[PZ{D+ catch
v\Q${6kEtx {
(d@lG*K Script.Alert("错误的邮箱!");
s$mcIMqs Server.Transfer("index.aspx");
ujHqwRh }