1. 打开新的窗口并传送参数:
t<nFy Py|;kF~! [ 传送参数:
wW:7y>z) response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Wta]BX ~-TOsRvxR 接收参数:
8pXKO"u], string a = Request.QueryString("id");
1,,|MW string b = Request.QueryString("id1");
ak;6z]f8[ L=O lyHO 2.为按钮添加对话框
+\0T\;-Xe Button1.Attributes.Add("onclick","return confirm(’确认?’)");
OL'P]=U button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
\fZiL!E^7 c'Z:9?#5 3.删除表格选定记录
rK1-Mu int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Z!6UW:&~7 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
?
-3\ a2`%ghW3 4.删除表格记录警告
r}_lxr private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
DG(%-w8p" {
2j&v;dmh< switch(e.Item.ItemType)
m@jge)O&D {
F8<"AI case ListItemType.Item :
G2`${aMS case ListItemType.AlternatingItem :
hQRL,? case ListItemType.EditItem:
\M{[f=6llh TableCell myTableCell;
@w\I qr
myTableCell = e.Item.Cells[14];
?CP2AK LinkButton myDeleteButton ;
|;+qld[4z myDeleteButton = (LinkButton)myTableCell.Controls[0];
a?F!,=F myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
PU1,DU break;
oFCgu{\kt default:
TVaA>]Fv break;
{$d <1y^ }
,2L$G&? X32C}4-B }
+r]zs^' ~`qEWvPn 5.点击表格行链接另一页
|7"$ w%2 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
u%3i0BajY {
5\bJR0I@ //点击表格打开
T%$jWndI if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
!^w
E/ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Ipe n }
DkDoA;m 9CJ(Z+;OM 双击表格连接到另一页
+5!&E7bcd {u"8[@@./ 在itemDataBind事件中
Apj; if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
$TG=w {
?>$l string OrderItemID =e.item.cells[1].Text;
0
Y>M=| ...
-fy9< e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
` qUX. }
o.m:3!RW kGHQ`h 双击表格打开新一页
F]EBD 8/b if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
eF~dQ4RZ {
;W]\rft[ string OrderItemID =e.item.cells[1].Text;
+l E90y ...
8)L*AdDAW! e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
/@"Y^ }
: g6n,p_# jZteooJG| ★特别注意:【?id=】 处不能为 【?id =】
s@8w-]" 6.表格超连接列传递参数
-TO\'^][X <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
t~``md4 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
3Fs5RC~a lk3=4|?zsE 7.表格点击改变颜色
3B0PGvCI1 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
cA)[XpQ:+W {
=>iA gp'# e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
W/fuKGZi_ this.style.color=’buttontext’;this.style.cursor=’default’;");
c9wfsapJ }
7f3O 6gH{R$7L= 写在DataGrid的_ItemDataBound里
T/pqSmVpM if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^v&D;<&R {
15U (={ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
,ho3 this.style.color=’buttontext’;this.style.cursor=’default’;");
c!#:E` e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
5T@aCC@$h }
b[I8iS kfi l(;Kij */^QH@ P 8.关于日期格式
'Gl&Pa1g? kD5!}+y 日期格式设定
}}|)Yq DataFormatString="{0:yyyy-MM-dd}"
^uBxgWIC A\fb< 我觉得应该在itembound事件中
/,@p\Ae5 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
piy`zc-yu W,XTF 9.获取错误信息并到指定页面
Djq!P \$sjrqKnu 不要使用Response.Redirect,而应该使用Server.Transfer
+Q$h ]^>~ Wp)*Mbq@ e.g
Lfog
{Vzs // in global.asax
T4)fOu3] protected void Application_Error(Object sender, EventArgs e) {
m3bCZ9iE if (Server.GetLastError() is HttpUnhandledException)
#bH_Dg5I Server.Transfer("MyErrorPage.aspx");
c(#;_Ve2P ?e[lr>- //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
<-'$~G j }
XI<L; ag-f{UsTy 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
#T w@wfaq) c;?fMX
10.清空Cookie
^ D%FX!$ Cookie.Expires=[DateTime];
Zf$Np50@( Response.Cookies("UserName").Expires = 0
ryB}b1`D '2^7-3_1 11.自定义异常处理
>P6BW //自定义异常处理类
PHOP%hI$ using System;
0k)rc$eDF+ using System.Diagnostics;
El\%E"Tk% yAL[[ namespace MyAppException
&>d:R_Q] {
>NYW{(j /// <summary>
F8-?dp f' /// 从系统异常类ApplicationException继承的应用程序异常处理类。
-Eu6U`"( /// 自动将异常内容记录到Windows NT/2000的应用程序日志
2c6g>? /// </summary>
#Cpd9| public class AppException:System.ApplicationException
?;[w" `" {
wLc4Dm*V public AppException()
W-NDBP: {
Ym%xx!9 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Xtt?] }
wO?{?+I`q pRkP~ZISU public AppException(string message)
)nL`H^ {
fU=B4V4@ LogEvent(message);
Mmpfto%i }
#@<9S{F .X# `k public AppException(string message,Exception innerException)
^[:p|U2mA {
1-lu\"H` LogEvent(message);
;r c`OZyE if (innerException != null)
C8
\5A8c {
M5gWD==uP LogEvent(innerException.Message);
:#@ = B] }
7}M2bH} \K }
PDs@?nz, $Y69@s %f //日志记录类
1UPC e using System;
4R18A=X using System.Configuration;
Ym3\pRFiD using System.Diagnostics;
'Ut7{rZ5 using System.IO;
hjZKUMG(k using System.Text;
6DH~dL_",% using System.Threading;
"g$IP9?U ^#-nE7 namespace MyEventLog
DI+fwXeg {
qkiI/nH3 /// <summary>
ep)>X@t /// 事件日志记录类,提供事件日志记录支持
bv&;R /// <remarks>
n2iJ%_zp /// 定义了4个日志记录方法 (error, warning, info, trace)
ty8v
6J# /// </remarks>
.l.a(_R /// </summary>
X5j1`t, public class ApplicationLog
~l)-wNqR4r {
J0@X<Lt U /// <summary>
;q*e=[_DF /// 将错误信息记录到Win2000/NT事件日志中
M5 <@~V/[ /// <param name="message">需要记录的文本信息</param>
@Y1s$,=xB /// </summary>
c%MW\qx public static void WriteError(String message)
l1f\=G?tmU {
%i5M77#Z WriteLog(TraceLevel.Error, message);
Hy^N!rBxfO }
4^M N;\'N
ne /// <summary>
AvfNwE /// 将警告信息记录到Win2000/NT事件日志中
#{?qNl8F*J /// <param name="message">需要记录的文本信息</param>
zAiXo__x /// </summary>
!QvZ<5( public static void WriteWarning(String message)
G K7![p {
gHo?[pS%y WriteLog(TraceLevel.Warning, message);
;qm
D50:% }
MdvcnaCG 9jw\s P@ /// <summary>
cXKjrL[b /// 将提示信息记录到Win2000/NT事件日志中
p,eTY[k? /// <param name="message">需要记录的文本信息</param>
/pT=0= /// </summary>
B]Thn public static void WriteInfo(String message)
Q\ 0cvmU {
#3gp6*R WriteLog(TraceLevel.Info, message);
dw*_(ys }
XCBL}pNkR /// <summary>
>Wv;R2| /// 将跟踪信息记录到Win2000/NT事件日志中
A<??T[ /// <param name="message">需要记录的文本信息</param>
h2XfC.f /// </summary>
7eAX*Kgt<_ public static void WriteTrace(String message)
,%M$0poKM {
mWsI}2 WriteLog(TraceLevel.Verbose, message);
K~R`%r_ }
z*a:L} $ / G7vwC /// <summary>
|'B7v i) /// 格式化记录到事件日志的文本信息格式
d>mo~ /// <param name="ex">需要格式化的异常对象</param>
NA ~Vg8 /// <param name="catchInfo">异常信息标题字符串.</param>
|>dI/_' /// <retvalue>
`~By)?cT_> /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
E&[{4Ml /// </retvalue>
5:KQg
/// </summary>
Zg{KFM% public static String FormatException(Exception ex, String catchInfo)
gcl5jB5)> {
@X#F3; StringBuilder strBuilder = new StringBuilder();
zd >t-?g if (catchInfo != String.Empty)
<nT
+$ {
R8a3
1& strBuilder.Append(catchInfo).Append("\r\n");
HK2[]G }
?gt l )q strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
M 0U0;QJ return strBuilder.ToString();
ZzJ?L4J5v }
+l<5#pazx V<T9&8l+: /// <summary>
^LoUi1j /// 实际事件日志写入方法
6\q]rfQ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
rE.;g^4p /// <param name="messageText">要记录的文本.</param>
]QlwR'&j/n /// </summary>
huh6 t ! private static void WriteLog(TraceLevel level, String messageText)
w=T\3(%j {
P*3BB>FO try
j~[z2tV {
|}Nn!Sj>#; EventLogEntryType LogEntryType;
3 cK I switch (level)
0tT(W^ho g {
2{H@(Vgpbr case TraceLevel.Error:
Dv5D~on{ LogEntryType = EventLogEntryType.Error;
#_^Lb]jkM break;
gc-@"wI? case TraceLevel.Warning:
G}b]w~ML~ LogEntryType = EventLogEntryType.Warning;
Lh!J > break;
YUtC.TR1 case TraceLevel.Info:
CVL3VT1j0 LogEntryType = EventLogEntryType.Information;
T[UN@^DP( break;
-"'j7t: case TraceLevel.Verbose:
F%@aB<Nu LogEntryType = EventLogEntryType.SuccessAudit;
Ku5\] break;
,9zjFI default:
#P0&ewy LogEntryType = EventLogEntryType.SuccessAudit;
Whm,F^ break;
o$jLzE" }
W{6|tx) Y5- F@( EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
$5aV:Z3P //写入事件日志
YIQ
4t eventLog.WriteEntry(messageText, LogEntryType);
N"Zt47( @#T|Y& }
$_"'&zQ' catch {} //忽略任何异常
R;uvkg[o }
FKDk +ojw } //class ApplicationLog
_E@2ZnD2 }
_=F=`xu cPyE 6\lN 12.Panel 横向滚动,纵向自动扩展
1\
o59Y <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Yg%I? v&DI`xn~ 13.回车转换成Tab
;-~B)M_S` <script language="javascript" for="document" event="onkeydown">
tE<H|_{L if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
K*K,}W&} event.keyCode=9;
`T@i. 'X </script>
[+T.at 4xjP iHd< onkeydown="if(event.keyCode==13) event.keyCode=9"
h-q3U%R4}@ 4i)1'{e 14.DataGrid超级连接列
%[Wh [zZy DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
.,<1%-R34q J\twZ>w~0 15.DataGrid行随鼠标变色
^c"jH'#.L private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'3/4?wi {
O_oPh] x) if (e.Item.ItemType!=ListItemType.Header)
"l3_=Gua {
BC&S> #\ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
N{9v1`B e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
gc_:%ki }
Gp?a(-K5 }
[B\h$IcRv o=1Uh,S3R 16.模板列
B+P(M!m3 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
V_:1EBzz <ITEMTEMPLATE>
4;e5H_}Oo <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
P{kur} T </ITEMTEMPLATE>
x kx^%3dV </ASP:TEMPLATECOLUMN>
81? hY4 nLbFg0?+t <ASP:TEMPLATECOLUMN headertext="选中">
%(3|R@G. <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
DE}K~}sbd <ITEMTEMPLATE>
+\d56j+D <ASP:CHECKBOX id="chkExport" runat="server" />
t<.)Z-Ii </ITEMTEMPLATE>
n{n52][J] <EDITITEMTEMPLATE>
36}?dRw#p <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
5d Eh7XL </EDITITEMTEMPLATE>
3`t#UY).F </ASP:TEMPLATECOLUMN>
?pW`cFLDHF GZN ^k+w 后台代码
eVjBGJ=2e protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
n4;.W#\ {
}aa'\8 //改变列的选定,实现全选或全不选。
Q 3hKk$Y CheckBox chkExport ;
I667Gz$j5 if( CheckAll.Checked)
\=VtHu92= {
:C(=&g<]D foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
^me-[
5 {
u%&`}g chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
SD"FErJ chkExport.Checked = true;
Yg]-wQrH }
M8kPj8}{ }
+nrbShV else
jl4rbzse {
K
-nF lPm\ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
~ (|5/
p7t {
! E<[JM chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
(5$!MUS~9 chkExport.Checked = false;
EU2$f }
|7'df &CA }
*v;2PP[^ }
CM/H9Kz. $O&b`` 17.数字格式化
9&-dTayIz Sq>dt[7 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
%P;lv*v. <%#Container.DataItem("price","{0:¥#,##0.00}")%>
bn|I>e F&4rO\aC"/ int i=123456;
L*Tj^q!t+ string s=i.ToString("###,###.00");
27eooY1 Jj; L3S 18.日期格式化
py$Q ~qiJR`Jj 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
}*M6x;t $t$ShT) 显示为: 2004-8-11 19:44:28
y;35WtDVb .[]r}[ lU 我只想要:2004-8-11 】
X&tF;<m^ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Ep9nsX* Q- cFtu-w 应该如何改?
m|SUV Rvqq.I8aC 【格式化日期】
RD!&LFz/} *RI]?j%B 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
l.67++_ |XaIx#n 【日期的验证表达式】
C.WX.Je ~Otq %MQ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
#{\J
Nb+w% ^((\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})))?$
FvaUsOy" ^h(ew1: B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
t|w_i-&b, ^\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]))$
Km qMFB62 hE-h`'ha` 【大小写转换】
@x*c1%wg HttpUtility.HtmlEncode(string);
L7n D| HttpUtility.HtmlDecode(string)
L O}@dL rMdt:` 19.如何设定全局变量
?h$NAL? ef8s<5"4 Global.asax中
AHD=<7Rs ]0Y4U7W Application_Start()事件中
y_*
!6Xr P{8iJ`rBG 添加Application[属性名] = xxx;
Y>dF5&(kb /K+r?
]kf 就是你的全局变量
-RE^tW*Yy 3atBX5 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
{ }:#G Tr_w]' HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
!{ y@od@T "IZa!eUW 【ASPNETMENU】点击菜单项弹出新窗口
0pZ4BZdT| {j{u6i 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
;;!yC <?xml version="1.0" encoding="GB2312"?>
NxkGOAOE <MenuData ImagesBaseURL="images/">
..IfP@ <MenuGroup>
VpE*(i$ <MenuItem Label="内参信息" URL="Infomation.aspx" >
~8PZ5;g <MenuGroup ID="BBC">
L^r#o-H< <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
GB23\Yv <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
>@U*~Nz ......
] ]u
s % 1auIR/=- 最好将你的aspnetmenu升级到1.2版
/MIe(,>Uh QJZK|* 21.读取DataGrid控件TextBox值
g{7.r-uu foreach(DataGrid dgi in yourDataGrid.Items)
AuvkecuIh {
G~F b TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
S(k3 `;K tb.Text....
^%d\qd` }
~k"=4j9 piJu+tUy 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?
~Q Oe## F|IAiE 〖思归〗
@D]5c ivm_ <asp:TemplateColumn HeaderText="数量">
^ sOQi6pL <ItemTemplate>
=J18eH!] <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
{JO^tI onkeyup="javascript:DoCal()"
q;B4WL} />
h\$$JeSV] S-a]j;U <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
`68@+|# </ItemTemplate>
.u)X3..J </asp:TemplateColumn>
iJ ($YvF4
Y[ j6u\y <asp:TemplateColumn HeaderText="单价">
f&=AA@jLv <ItemTemplate>
XPavReGf <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
h&M{]E9= onkeyup="javascript:DoCal()"
h}>"j%I />
Z&G+bdA>, |h KDvH <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
7!$Q;A WQx?[tW(U </ItemTemplate>
c/:b.>W </asp:TemplateColumn>
~Zun&b)S 5-FQMXgThc <asp:TemplateColumn HeaderText="金额">
;nI] !g: <ItemTemplate>
F3y9@dA] <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
S50k>_a; </ItemTemplate>
zUt'QH7E. </asp:TemplateColumn><script language="javascript">
EB0TTJR?# function DoCal()
]RZ|u*l=x {
&9.C l;I var e = event.srcElement;
Wjo[ENHM var row = e.parentNode.parentNode;
vt/x
,Y var txts = row.all.tags("INPUT");
cb@?}(aFl if (!txts.length || txts.length < 3)
C1V|0hu return;
6`&a&%,O fnpYT:%fG
var q = txts[txts.length-3].value;
Y@NNrGDkT* var p = txts[txts.length-2].value;
\e:7)R2<!x wVvF^VHV^ if (isNaN(q) || isNaN(p))
9)D6Nm return;
]RwpX ^ 1 ,bZL C q = parseInt(q);
,dv+p&Tz2 p = parseFloat(p);
-{KQr1{5UM CLxynZ\ ; txts[txts.length-1].value = (q * p).toFixed(2);
{yBs7[Wn }
1m'k|Ka </script>
,[N%Q# kC:uG0sW +UC G0D '<gI8W</ raW>xOivR 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。
g!|=%(G= page_load
[NF'oRRD9s page.smartNavigation=true
^dI424 kPKB|kP\ 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 ?
! :Y:pu0 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
,A9]CQ
{
hE &xE; for(int i=0;i<e.Item.Cells.Count-1;i++)
G?9"Y% if(e.Item.ItemType==ListItemType.EditType)
_Ym]Mj' ln {
zZ:>do\2 e.Item.Cells.Attributes.Add("Width", "80px")
bpOYHc6,*` }
n#cC+>*>+ }
e-~N" _H9 MwJ 26.对话框
Mhm@R@ private static string ScriptBegin = "<script language=\"JavaScript\">";
w{{gu1#]G private static string ScriptEnd = "</script>";
.nO\kg oK
&U{#Kt5q public static void ConfirmMessageBox(string PageTarget,string Content)
fIM,lt {
)n1_(; string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
/~DI 6g fPU`/6 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
O5!7'RZ _;W.q7b] Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
{k(g]#pP ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
@g|v;B|{ //Response.Write(strScript);
u/UrAqw }
@Rg/~\ K {WJ m 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
O8f?; ] +[Dx?XM 1.1 取当前年月日时分秒
&C:IX\ currentTime=System.DateTime.Now;
r^2p*nr} "N;`1ce 1.2 取当前年
?K1/ <PE+ int 年= DateTime.Now.Year;
"H2EL}3/] WEAT01 1.3 取当前月
mR!1DQ.\< int 月= DateTime.Now.Month;
M|VyV(f HsxVZ.dS 1.4 取当前日
GmK^}=frj int 日= DateTime.Now.Day;
+|*IZ:w) C:GK,?!Jn' 1.5 取当前时
9U7nKJ+iby int 时= DateTime.Now.Hour;
,t3wp#E2# k3~}7]O) 1.6 取当前分
b jy Zk_\ int 分= DateTime.Now.Minute;
GL&y@6 aasoW\UG 1.7 取当前秒
5b5x!do int 秒= DateTime.Now.Second;
|Yx~;q: +u.1 ;qF 1.8 取当前毫秒
P=qa::A int 毫秒= DateTime.Now.Millisecond;
>3ZFzh&OYQ f}6s
Q5 28.自定义分页代码:
o5d%w-' tE.FrZS 先定义变量 :
G`+T+ public static int pageCount; //总页面数
ag;Q F public static int curPageIndex=1; //当前页面
qjc8fP2 Nv$R\' 3 下一页:
W'els)WJ|x if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
hC:n5]K {
JR' DataGrid1.CurrentPageIndex += 1;
q~
tz? T_ curPageIndex+=1;
88Ey12$ }
8."]//V xP_cQwm`1 bind(); // DataGrid1数据绑定函数
a@8v^G AW%50V 上一页:
[<7@{;r if(DataGrid1.CurrentPageIndex >0)
%W'v}p {
#akpXdXs DataGrid1.CurrentPageIndex += 1;
-N6f1>}pE curPageIndex-=1;
;
a/X< }
%) /s; Q, phQUD bind(); // DataGrid1数据绑定函数
EJj.1/]|r 5]~'_V 直接页面跳转:
c>,KZ! int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
9 *xR6 czA5n if(a<DataGrid1.PageCount)
R$v[!A+:' {
>~#yu&*D this.DataGrid1.CurrentPageIndex=a;
PvzcEV }
9Q.rMs>qj S
O4u9V bind();
dW)B1iUo! 2$9odD<r 29.DataGrid使用:
Ac96
[ 9eR-
添加删除确认:
*jLJcb*.Ap private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
tI]Q%S, {
$:BKzHmg foreach(DataGridItem di in this.DataGrid1.Items)
l~1Oef#y {
&]g}u5J!= if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
-O1>|y2rU {
bNm#tmSt ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
ICpAt~3[M }
jGJLSEe_ }
.RE:;<|w }
2^Eg9y' fA&k`L(y 样式交替:
mGtdO/C#B ListItemType itemType = e.Item.ItemType;
FFl!\y*0z cIUHa if (itemType == ListItemType.Item )
s0\X ^ {
? 8)'oMD e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
`V=N*hv` e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
G"klu }
6q*9[<8 else if( itemType == ListItemType.AlternatingItem)
;i8g41qjF {
. kQkC:~9 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Bu#E9hJFvA e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
%u? ># }
%huRsQ%} +Um( h-; 添加一个编号列:
*e<[SZzYZ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
k;2GEa]w DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
wZG\>9~ FI[A[*fi for(int i=0;i<dt.Rows.Count;i++)
3Q"<<pi!~ {
lun#^ J dt.Rows["number"]=(i+1).ToString();
1uG"f<TsR }
Y}x>t* I a!ud{Dx DataGrid1.DataSource=dt;
46$._h
P DataGrid1.DataBind();
a<@1-j< ztnFhJ<a$ DataGrid1中添加一个CheckBox,页面中添加一个全选框
MPCBT!o4Z private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
M:XSQ["6>V {
U [*FCD!~ foreach(DataGridItem thisitem in DataGrid1.Items)
qT,Te {
fg
s!v7 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
1cxrH+N }
lAi6sPG)0 }
j:<n+:HC *Y,x|F 将当前页面中DataGrid1显示的数据全部删除
E4xj?m^(y= foreach(DataGridItem thisitem in DataGrid1.Items)
|P[w==AAf {
,eOB(?Ku if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
C+'/>=>a. {
vo`2\R. string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
05z,b]>l Del (strloginid); //删除函数
kr+D,h01 }
6tB+J F }
6tX q: Ci?Ss+| 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)
t|a2;aq_ 8u"!dq 在Application_Start中添加以下代码:
Vc_'hz]Z Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
!5.8]v AppSettings["ConnStr"].ToString();
FQm`~rA~zt ZU85P0 31. 变量.ToString()
V}bjK8$$ 4\y/'`xm)6 字符型转换 转为字符串
2w59^"<, 12345.ToString("n"); //生成 12,345.00
mlixIW2 12345.ToString("C"); //生成 ¥12,345.00
?a8^1: 12345.ToString("e"); //生成 1.234500e+004
<d,b '<z
s 12345.ToString("f4"); //生成 12345.0000
y6LWx: 12345.ToString("x"); //生成 3039 (16进制)
lH-/L(h2 12345.ToString("p"); //生成 1,234,500.00%
Z9:-rcr M|6A0m#Q 32、变量.Substring(参数1,参数2);
[.m`+ Yb+yw_5 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);
\wo?47+= V`X2>-Ex 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)
H#@^R( <SCRIPT language="javascript">
<%($7VMev <!--
" |Xk2U function gook(pws)
os,* 3WO {
}#.L7SIJ<J frm.submit();
y603$Cv }
m4aB*6<lq //-->
ZZk=E4aae U[SaY0Z </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
I`p+Qt <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
C3eR)Yh <tr>
~5_Ad\n9 <td>
pv*,gSS <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
Y'yH;Mz <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
DKne'3pH <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
TFH \K{DM mk1bcK9 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
DSC$i| <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
Px$/ _`H 0TCBQ~ " </td>
{aY%gk?y#> GKOD/, </tr>
M\sN@+ ]+(6,ct&. </form>
mFg<dTx0c8 `!XY]PI+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。
!+1<E*NQ S uZc`jNc\ 下面是获取用户输入的登陆信息的代码:
.l>77zM6 string name;
#z&&M"*a| name=Request.QueryString["EmailName"];
X*M#FT- } ~h3c| try
M*z~gOZ {
U@gn;@\ int a=name.IndexOf("@",0,name.Length);
d\p,2 f_user.Value=name.Substring(0,a);
eAXc:222 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
[<- f_pass.Value=Request.QueryString["Psw"];
Anscr }
|<#{"'/= 2Or'c`| catch
whpfJNz {
TT'[qfAI Script.Alert("错误的邮箱!");
8dZ0rPd? Server.Transfer("index.aspx");
fBalTk;G{U }