1. 打开新的窗口并传送参数:
>&<D.lx unL1/JY z 传送参数:
oQyMs> g response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
T5~Qfl?Y #oGvxc7 接收参数:
ziW[qH { string a = Request.QueryString("id");
KJ?/]oLr0 string b = Request.QueryString("id1");
EI9Yv>7 d{ \l6mXIn=> 2.为按钮添加对话框
~$a%& ]\ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
^1}ffE(3> button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
+&AU&2As hy"p8j7_ 3.删除表格选定记录
x2i`$iNhmP int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
etW-gbr string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
/C<} :R jP@t!= 4.删除表格记录警告
iEFS>kL8e private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
cNN_KA {
jM@@N. switch(e.Item.ItemType)
AMgvk`<f {
;c~DBJg'| case ListItemType.Item :
}=3W(1cu- case ListItemType.AlternatingItem :
p|Fhh\,*`X case ListItemType.EditItem:
G`!;RX TableCell myTableCell;
uuhvd h= myTableCell = e.Item.Cells[14];
8DrKq]& LinkButton myDeleteButton ;
Qe/=(P< myDeleteButton = (LinkButton)myTableCell.Controls[0];
Hi{!<e2 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
hG'2(Y! break;
_Q;M$.[zyR default:
CQY/q@7 break;
$PbN=@ }
Y@'1}=`J #iGz&S3iN$ }
?yz} NOmSLIgt7 5.点击表格行链接另一页
nuv$B > private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
28+Sz>SP {
y+iuA@WCv //点击表格打开
%@M/)"k if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
fs]Zw mA^ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
h$zPQ""8 }
K[TMTn =09j1:''<d 双击表格连接到另一页
7 -V_)FK2c f4T-=` SO 在itemDataBind事件中
G@Zi3 5 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
S+OI?QS {
")M.p_b[Z= string OrderItemID =e.item.cells[1].Text;
8CSvg{B ...
!c`Q?aGV) e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
TAJ 9Y< }
Y=rW.yK8 R}+/jh2O| 双击表格打开新一页
zZh`go02E if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
dl$l5z\ {
B&Ci*#e string OrderItemID =e.item.cells[1].Text;
8QZk0O ...
z06pX$Q.< e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
qaGIU`}:$A }
fW}H##b " Gn; Q-@ ★特别注意:【?id=】 处不能为 【?id =】
yZ)ScB^ 6.表格超连接列传递参数
s*#|EdD6@ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
#XY]@V\ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
cwC,VYVl $BBfsaJPT 7.表格点击改变颜色
/s*>V@Q if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
\T]"pE+8l {
G7/LY TT) e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Z/RUrYeb this.style.color=’buttontext’;this.style.cursor=’default’;");
u!`C:C' }
]R>k0X.V b~1p.J4 写在DataGrid的_ItemDataBound里
IKr7"` if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
!<6wrOMa O {
`oz7Q(` e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
".i{WyTt this.style.color=’buttontext’;this.style.cursor=’default’;");
$xZk{ rK e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Oc'z?6axWv }
SCH![Amq {4m"S7O a&ByV!%%+_ 8.关于日期格式
Z "=(uwM O.}gG6u5 日期格式设定
yEqmB4^- DataFormatString="{0:yyyy-MM-dd}"
7ER 2h* f}'gg 我觉得应该在itembound事件中
^{K8uN7 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
qL+y8* (Mm{"J3uv 9.获取错误信息并到指定页面
*nW9)T 8k`zMT 不要使用Response.Redirect,而应该使用Server.Transfer
(MIw$)#^ ;VFr5.*x e.g
lqCn5|S] // in global.asax
g^4FzJ protected void Application_Error(Object sender, EventArgs e) {
,"VQ0Z1 if (Server.GetLastError() is HttpUnhandledException)
q
|^O Server.Transfer("MyErrorPage.aspx");
2M#CJ& 1DcarF //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
ZAH<!@qh }
U?lu@5 ^Z O]g+z$2o Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
enz Q}^ eztk$o 10.清空Cookie
2,;t%GB Cookie.Expires=[DateTime];
!Cy2>6v7 Response.Cookies("UserName").Expires = 0
*pD;AU VfcQibm 11.自定义异常处理
lmcDA,7 //自定义异常处理类
ck~xj0 using System;
c-=0l)&'D= using System.Diagnostics;
bX(*f>G' wqOhJYc namespace MyAppException
,;-*q}U {
wf@2&vJ /// <summary>
Qd4T?5 vG /// 从系统异常类ApplicationException继承的应用程序异常处理类。
!m|%4/
M@ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
[;f"',)y, /// </summary>
e`Yns$x public class AppException:System.ApplicationException
8)!;[G| {
KRZV9AJ public AppException()
U.F65KaKF {
PK4UdT if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
6;pREM+ }
v+sbRuo8 T!a[@,)_
public AppException(string message)
RGLA}| {
RHbp:Mlk LogEvent(message);
Wd5t,8*8 }
y#DQOY+@^# dZgfls public AppException(string message,Exception innerException)
NLGr=*dq {
x+e
_pb LogEvent(message);
yMkd|1 if (innerException != null)
s-V$N {
,AM-cwwT:u LogEvent(innerException.Message);
lpUtNy }
P.B'Gh#^ }
]c2| m}I{: k#) .E X //日志记录类
&zcjU+n using System;
kwR@oVR^ using System.Configuration;
SXz([Z{) using System.Diagnostics;
>2
qP using System.IO;
b]#d04] using System.Text;
!S-U8KI| using System.Threading;
F8Wq&X#r 1[`<JCFClc namespace MyEventLog
c7IR06E {
|u;PU`^-z /// <summary>
}2,#[mM /// 事件日志记录类,提供事件日志记录支持
6S[D"Q94 /// <remarks>
PWu2;JF /// 定义了4个日志记录方法 (error, warning, info, trace)
*KH@u /// </remarks>
eBIR*TZ): /// </summary>
"%t`I) public class ApplicationLog
r_E)HL/A {
Q$L(fHkw /// <summary>
8Jj0-4] /// 将错误信息记录到Win2000/NT事件日志中
np^<HfYV /// <param name="message">需要记录的文本信息</param>
p'k+0= /// </summary>
7~nCK public static void WriteError(String message)
ONiI:Z>% {
z44~5J] WriteLog(TraceLevel.Error, message);
o~&!M_ED }
3&fFIab9 /*^|5>-`i1 /// <summary>
p\;)^O4 /// 将警告信息记录到Win2000/NT事件日志中
~J{[]wi /// <param name="message">需要记录的文本信息</param>
2] G$6H /// </summary>
m@u`$rOh public static void WriteWarning(String message)
E_1I|$ {
AuipK*&g WriteLog(TraceLevel.Warning, message);
i?dKmRp(@y }
:&)/vq ld}$Tsy0 /// <summary>
{dXBXC/Ju /// 将提示信息记录到Win2000/NT事件日志中
'\B"g@if /// <param name="message">需要记录的文本信息</param>
"nno)~)u /// </summary>
b|o!&9Yyr public static void WriteInfo(String message)
TeCpT2!5j {
!gfhEzY WriteLog(TraceLevel.Info, message);
_C,@eu"9V }
O:tX0<6 /// <summary>
/.YAFH|i)" /// 将跟踪信息记录到Win2000/NT事件日志中
:yjK*"T|OD /// <param name="message">需要记录的文本信息</param>
ZCFf@2&z8 /// </summary>
/&as) public static void WriteTrace(String message)
rE `}?d {
fbTw6Fde$ WriteLog(TraceLevel.Verbose, message);
dHF$T33It }
fR%1FXpK& qK
vr*xlC /// <summary>
hUvuq,LH_ /// 格式化记录到事件日志的文本信息格式
>-5Gt /// <param name="ex">需要格式化的异常对象</param>
SuH.lCF-g /// <param name="catchInfo">异常信息标题字符串.</param>
M6iO8vY /// <retvalue>
/
&D$kxz /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
\R\@t]>Y /// </retvalue>
33'lZubV /// </summary>
D#Yx,`Ui public static String FormatException(Exception ex, String catchInfo)
Pph8"`mv.m {
i6#]$ B StringBuilder strBuilder = new StringBuilder();
zZ"U9!T if (catchInfo != String.Empty)
)]c3bMVE- {
n,a5LR strBuilder.Append(catchInfo).Append("\r\n");
Evq Ai/(g }
|EV\a[ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
!FO^:V<|5 return strBuilder.ToString();
#lsh N,CPm }
+VLe'| x3 6 #x /// <summary>
L@n6N|[_ /// 实际事件日志写入方法
@U3foL2\ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
I,4- /// <param name="messageText">要记录的文本.</param>
,o@~OTja* /// </summary>
-F+P;S private static void WriteLog(TraceLevel level, String messageText)
O0wCb
{
~K-*q{6Q try
tG2OVRx8u {
Jp3di&x EventLogEntryType LogEntryType;
&M3ES}6 switch (level)
YG 5Z8@kH {
0SYf<$ case TraceLevel.Error:
Q|=
Q]$d LogEntryType = EventLogEntryType.Error;
G9n /S=R? break;
w-H%B`/ case TraceLevel.Warning:
LX\*4[0%K LogEntryType = EventLogEntryType.Warning;
xJ2O4ob break;
d9-mWz(V+ case TraceLevel.Info:
fHe0W LogEntryType = EventLogEntryType.Information;
seuN,jpt break;
]a6O(] case TraceLevel.Verbose:
FfxX)p1t LogEntryType = EventLogEntryType.SuccessAudit;
SQt|(r) break;
N`<4:v[P default:
Vvyrty LogEntryType = EventLogEntryType.SuccessAudit;
33<fN:J]f break;
`!omzE*bk5 }
?l,
X!o6 qH
h'l;. EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
q]N?@l] //写入事件日志
}>;ht5/i/ eventLog.WriteEntry(messageText, LogEntryType);
ewAH'H]o o\]:!#r{T }
HLSfoQ&)v catch {} //忽略任何异常
FS`vK`' }
Dpdn%8+Z } //class ApplicationLog
`?]rr0.}hp }
yD[zzEuQ !
nCjA\$ 12.Panel 横向滚动,纵向自动扩展
7O+Ij9+{n <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
JXL9Gge @Xve qUUU 13.回车转换成Tab
S"P9Nf?9 <script language="javascript" for="document" event="onkeydown">
;;YcuzQI3 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
oF;%^XFp event.keyCode=9;
Foe>}6~{? </script>
dgco*TIGO P^8^1-b onkeydown="if(event.keyCode==13) event.keyCode=9"
V/3 {^Fcr b$?Xn {Y 14.DataGrid超级连接列
.lvI8Jf~X DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
b$v[@"1 rmPne8D=c( 15.DataGrid行随鼠标变色
lk[G;=K:. private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
/i{tS`[F2a {
~IlF*Zz#}6 if (e.Item.ItemType!=ListItemType.Header)
:vYtMp {
>,>;)B@J e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
a
IpPL8a e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
KbwTj*k[ }
kUn2RZ6$# }
2#AeN6\@ 7`blGzP_ 16.模板列
kRN|TDx( <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
:F7k{~ <ITEMTEMPLATE>
NV}RRs <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
).NcLJw_ </ITEMTEMPLATE>
W&+y(Z-t </ASP:TEMPLATECOLUMN>
"YG\
w.J%qWJq <ASP:TEMPLATECOLUMN headertext="选中">
G Sz @rDGY <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
K,eqD< <ITEMTEMPLATE>
U#;51_ <ASP:CHECKBOX id="chkExport" runat="server" />
HQ^9[HN. </ITEMTEMPLATE>
v)@,:u) <EDITITEMTEMPLATE>
oe(9mYWKa6 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
t1e4H=d> </EDITITEMTEMPLATE>
01LZE,. </ASP:TEMPLATECOLUMN>
IjG5X[@ 1mJbQ#5 后台代码
_m9~* protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
b:P\=k]8# {
2Vp>" //改变列的选定,实现全选或全不选。
X,RT<GNNb CheckBox chkExport ;
(TEo_BW|+ if( CheckAll.Checked)
${hyNt {
R9tckRG# foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
O9t=lrYV! {
N@Xg5huO chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
DeOXM=&z chkExport.Checked = true;
'8)Wd"[ }
9?uqQ }
#_.g2 Y else
koOy Z> {
jrm0@K+<IA foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
H<`^w)? {
2X|CuL{] chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
m_Mwg chkExport.Checked = false;
Z0e-W:&;kF }
O6yP
qG *j }
2BHKS-J* }
W1xf2=z`)T 2Sge 17.数字格式化
?VwK2w$&={ R{*_1cyW 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
DVObrL)znL <%#Container.DataItem("price","{0:¥#,##0.00}")%>
S?*^>Y-e; ( "_Q int i=123456;
!xkj30O(G string s=i.ToString("###,###.00");
EVR! @6@ 3PsxOb+ 18.日期格式化
Dba+z-3Nzy H}vn$$
O 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
"
Wp
<O ;&qT*b 显示为: 2004-8-11 19:44:28
}dy9IH ~6p5H}'H1 我只想要:2004-8-11 】
A&N$tH <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
!q!"UMiG csYy7uzi 应该如何改?
r+o_t2_b* X*0k>j 【格式化日期】
wi>DZkR Y|mW. 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
1{^CfamF [!W5}=^H 【日期的验证表达式】
y'^F,WTM neF8V"-u& A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
a;%I\w;2 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
-:MmSeG7gO SGt5~Txj B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
O47PkP8 ^\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]))$
jQ6Xr&}
>wA+[81[ 【大小写转换】
vruD U# HttpUtility.HtmlEncode(string);
5`"iq
"5Cf HttpUtility.HtmlDecode(string)
Qe_+r(3)k 2zhn`m 19.如何设定全局变量
\fTTkpM fTBVvY4( Global.asax中
k!&:(] z^'n*h Application_Start()事件中
7m\vRMK YUCC*t 添加Application[属性名] = xxx;
JRq3>P >z QNHSi 就是你的全局变量
Uls+n@\! DE%fF,Hk3 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
VrVDm*AGQ @a0Q0M HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
?b56AE p+$+MeBz 【ASPNETMENU】点击菜单项弹出新窗口
&Y+e=1a+ QCWf.@n 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
7SaiS_{: <?xml version="1.0" encoding="GB2312"?>
^_sQG <MenuData ImagesBaseURL="images/">
0Q7MM6 <MenuGroup>
sdrWOq <MenuItem Label="内参信息" URL="Infomation.aspx" >
rS4%$p" <MenuGroup ID="BBC">
(Ux[[ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
<KX&zi<L) <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
i0\)%H:z ......
?IILt=)< iUTU*El> 最好将你的aspnetmenu升级到1.2版
f~q4{ L"^OdpOs 21.读取DataGrid控件TextBox值
k=`$6(>Fz foreach(DataGrid dgi in yourDataGrid.Items)
"CBRPp {
$C uR}g TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
6x/s|RWL1 tb.Text....
}-74 f }
9mDnKW <6/= y1QC) 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
0'`S, 6lsEGe 〖思归〗
`"c'z; <asp:TemplateColumn HeaderText="数量">
`;$h'eI9 <ItemTemplate>
->h5T%sn <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
h,t:] onkeyup="javascript:DoCal()"
P3!Atnv2 />
q6REh;$ CcY7$D <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
NO2(vE </ItemTemplate>
Vc _:* </asp:TemplateColumn>
6Cv.5Vhx IB8gDP2 <asp:TemplateColumn HeaderText="单价">
gqfDacDJL <ItemTemplate>
6J\fF tB@V <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
>La><.z~ onkeyup="javascript:DoCal()"
q(H ip<6p />
O[FZq47 >I^9:Q <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
b# u8\H Z/g]o# </ItemTemplate>
>?I/;R.- </asp:TemplateColumn>
5$%XvM doR4nRl9 <asp:TemplateColumn HeaderText="金额">
'#q4Bc1 <ItemTemplate>
n1,S_Hs <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
JRY_nX </ItemTemplate>
Zj!Abji=O </asp:TemplateColumn><script language="javascript">
<( EyXV function DoCal()
UFw](%=&M {
bq NP#C var e = event.srcElement;
,EI:gLH var row = e.parentNode.parentNode;
#K4*6LI var txts = row.all.tags("INPUT");
[Gtb+'8 if (!txts.length || txts.length < 3)
o_$&XNC_ return;
($8t%jVWJJ {[W(a<%bXm var q = txts[txts.length-3].value;
]Lm'RlV var p = txts[txts.length-2].value;
C6]OAUXy:F "%@v++4y if (isNaN(q) || isNaN(p))
X{\jK]O return;
),`8eQC v+6e;xl8 q = parseInt(q);
z)w-N p = parseFloat(p);
orqJ[!u)` y'
[LNp V txts[txts.length-1].value = (q * p).toFixed(2);
cU8x Upq }
<cj{Qk </script>
Ryv_1gR! S&wzB)#' u-:Ic.ZV 'SV7$,mK@ >;9NtoE 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。
vFhz!P~ page_load
e.8$ga{ page.smartNavigation=true
7u|B ](FS >bIF>9T 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
Y3rt5\! private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
24B<[lSK {
iKAusWj for(int i=0;i<e.Item.Cells.Count-1;i++)
3i=Iu0 if(e.Item.ItemType==ListItemType.EditType)
|8U;m:AS {
B<,YPS8w e.Item.Cells.Attributes.Add("Width", "80px")
N'?u1P4G }
bK*~ol }
^RNOcM| S|AjL
Ng# 26.对话框
O|'1B>X private static string ScriptBegin = "<script language=\"JavaScript\">";
}r3~rG<D71 private static string ScriptEnd = "</script>";
E!mmLVa9 qZ+H5AG2 public static void ConfirmMessageBox(string PageTarget,string Content)
!Zjq9{t\" {
GBQn_(b9I string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
/tj$luls5 z9
($. ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
"#4dW 7E k ;KdW P Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
r\qz5G *6 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
/.Q4~Hw%} //Response.Write(strScript);
eR;!(Oy=A }
5/@UVY9_ uQ3[Jz`y 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
orfp>B) 0 H"Dn]$Q\Z 1.1 取当前年月日时分秒
2?DRLF] currentTime=System.DateTime.Now;
{x@|VuL=
xDjV`E] 1.2 取当前年
T?wzwGp-[ int 年= DateTime.Now.Year;
|"Z{I3Umg <+tD z ( 1.3 取当前月
Adx`8}N8 int 月= DateTime.Now.Month;
$/Ov2z rRb+_]Lg 1.4 取当前日
eUBrzoCO int 日= DateTime.Now.Day;
~ ?^/u8 | C+o; 1.5 取当前时
VR0=SE int 时= DateTime.Now.Hour;
1cC1*c0Z c0rk<V%5+ 1.6 取当前分
m9":{JI.w int 分= DateTime.Now.Minute;
Im?LIgt$ 'EhBRU% 1.7 取当前秒
L%h/OD int 秒= DateTime.Now.Second;
`u_Qa [hh/1[ 1.8 取当前毫秒
/aqEJGG> int 毫秒= DateTime.Now.Millisecond;
+%0z`E\?M# bS!\#f%9" 28.自定义分页代码:
vjUp *R>h bGmx7qt# 先定义变量 :
zm#nV
Y` public static int pageCount; //总页面数
.\:J~( public static int curPageIndex=1; //当前页面
$xgBKD \'v(Xp6 下一页:
Z-X?JA\& if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
{?8B,G2r {
\RG!@$i DataGrid1.CurrentPageIndex += 1;
9A$m$ curPageIndex+=1;
cgT }
s0"e' u{e-G&]^; bind(); // DataGrid1数据绑定函数
\>Zvev!s
@N.jB#nEb 上一页:
>U!*y4 if(DataGrid1.CurrentPageIndex >0)
5M_Wj*a}7 {
6lFfS!ZFA DataGrid1.CurrentPageIndex += 1;
rf
K8q'@ curPageIndex-=1;
Ol/N}M|3 }
n"D ?I #"*e+.j[; bind(); // DataGrid1数据绑定函数
L
3XB"A# 9pSUIl9|j 直接页面跳转:
Ud(`V:d int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
~mp0B9L% 1KE:[YQ1 if(a<DataGrid1.PageCount)
H)(jh {
g P}+wbk this.DataGrid1.CurrentPageIndex=a;
IDFFc& }
pPro }@@ 5/0j}_pP bind();
XNH4vG
| NL"G2[e 29.DataGrid使用:
)A8v];.]3 `BXS)xj 添加删除确认:
c-4STPNQi private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
dp5cDF}l {
ku&k'V foreach(DataGridItem di in this.DataGrid1.Items)
``K#}3 {
Xyx"A(v^l if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
~Ci{3j :] {
,FSrn~-j9 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
^+|De}`u }
| A)\
: }
b^CNVdo' }
L"(4R^] {]N3f[w 样式交替:
D-p.kA3MJ ListItemType itemType = e.Item.ItemType;
5Rv+zQ#GR N"7]R[* if (itemType == ListItemType.Item )
{8RFK4! V@ {
B4H!5b e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
g_.^O$} e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
m_NCx]#e
}
EG<s_d? else if( itemType == ListItemType.AlternatingItem)
8At<Wic {
['qnn| e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
3lxc4@Zmd e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
L"+$Wc[| }
2f:^S/.A evuZY X@ 添加一个编号列:
BOVPKX DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Q[4:
xkU DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
fxQN+6; $iw%(H for(int i=0;i<dt.Rows.Count;i++)
6dqsFns}e {
cntco@ dt.Rows["number"]=(i+1).ToString();
H*I4xT@ }
G;iEo4\? 2tQ`/!m>v$ DataGrid1.DataSource=dt;
6sfwlT DataGrid1.DataBind();
oYM3Rgxf9Q hVpCB, DataGrid1中添加一个CheckBox,页面中添加一个全选框
va)%et0! private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
n~IVNB* {
1OaXo! foreach(DataGridItem thisitem in DataGrid1.Items)
W8WXY_yJt {
kAYb!h[` ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
B9dt=j3j2 }
1 jb/o5n; }
`CE^2 J>vMo@ 将当前页面中DataGrid1显示的数据全部删除
}?@5W, foreach(DataGridItem thisitem in DataGrid1.Items)
e&<yX {
0ezYd S~o if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
{Tp2H_EG {
?)4?V\$ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
y(jg#7) Del (strloginid); //删除函数
^ZRYRA }
W6c]-pc }
+K",^6%1 /+K? 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)
WN]<q`. 'I}:!Z 在Application_Start中添加以下代码:
J4$!
68 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
^rNUAj9Z AppSettings["ConnStr"].ToString();
i^`9syD 256LH Y|6 31. 变量.ToString()
y2L#:[8 }ut]\]b 字符型转换 转为字符串
xl9aV\W 12345.ToString("n"); //生成 12,345.00
K,ej%Vtz 12345.ToString("C"); //生成 ¥12,345.00
sy* y\5yJ 12345.ToString("e"); //生成 1.234500e+004
\K2*Q&> 12345.ToString("f4"); //生成 12345.0000
$^/0<i$ 12345.ToString("x"); //生成 3039 (16进制)
<i\A_qqc/ 12345.ToString("p"); //生成 1,234,500.00%
22hSove. V<Z'(UI 32、变量.Substring(参数1,参数2);
-T@`hk` ~EiH-z4U 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);
-NGK@Yk22 N3BL3:@O 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)
8,T4lb<< <SCRIPT language="javascript">
s54nF\3V <!--
UPU+ver function gook(pws)
2!1.E5.I {
Rfb?f}j frm.submit();
kh$_!BT }
g\fhp{gWB //-->
;!>Wz9 Xf'=+f2p </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
`(y(w-:W1 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
@exey <tr>
oih5B<&f# <td>
dIweg=x <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
t:~t@4j} <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
=JLh?Wx <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
x+5k
<Xi} xg`h40c <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
'=E9En#@ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
imB# Eo4eY K-vWa2 </td>
H;ZHqcUX 7u.|XmUz </tr>
[4Ll0GSp {16<^ </form>
pE]?x$5U #U7_a{cn"M 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
)P&9A)8 y8Xv~4qQW 下面是获取用户输入的登陆信息的代码:
5i6
hp;= string name;
>B -q@D name=Request.QueryString["EmailName"];
AIl4]F5I 'vV$]/wBF try
jF ^5}5U {
od<b!4k~s int a=name.IndexOf("@",0,name.Length);
cc=gCE f_user.Value=name.Substring(0,a);
lU]un&[N f_domain.Value=name.Substring(a+1,name.Length-(a+1));
`|O yRU"EK f_pass.Value=Request.QueryString["Psw"];
3k$[r$+" }
2/P"7A=< Et2JxbD catch
kT IYD o {
+%>:0mT Script.Alert("错误的邮箱!");
n^(A=G Server.Transfer("index.aspx");
km5~Gc} }