1. 打开新的窗口并传送参数:
_?.\Xc tw=K&/@^O 传送参数:
x=.tiM {# response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
y0<Uu 4d0#86l~J/ 接收参数:
=L"^.c@ string a = Request.QueryString("id");
`m%:rE, string b = Request.QueryString("id1");
bp#fyG" u,eZ6 2.为按钮添加对话框
#4><r.v3 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
V5AW&kfd button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
\^& ;UrK{>B 3.删除表格选定记录
%*kLEA*v int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
"}@i+oS string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
FI8k;4|V [![ G7H%f 4.删除表格记录警告
EWA;L?g|A private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
.5.8;/
/ {
' sey D switch(e.Item.ItemType)
qgx?"$ Z
{
:6Pnie case ListItemType.Item :
>Q=Ukn;k case ListItemType.AlternatingItem :
d8E,o7$m case ListItemType.EditItem:
|g<* Rk0
TableCell myTableCell;
t,h{+lYU myTableCell = e.Item.Cells[14];
Cp^g'& LinkButton myDeleteButton ;
wz#A1F myDeleteButton = (LinkButton)myTableCell.Controls[0];
\3aTaT?.. myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
7d;pvhnH break;
%H& ].47 default:
V@% break;
\gItZ}+c4} }
E"#Xc@ .%'Z~|K4 }
UQI
f}iR ;wR 'z$8 5.点击表格行链接另一页
WDkuB private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Ly7!R$X {
H-I{-Fm //点击表格打开
,3HcCuT if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
', {7%G9 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
jJBnDxsA }
L\e>B>u y bQP E/9 双击表格连接到另一页
+}aC-& /syVGmS'M 在itemDataBind事件中
FRZs[\I|iT if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
g$FEEDF {
{U"^UuU] string OrderItemID =e.item.cells[1].Text;
Qf
xH9_ ...
,a0pAj e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
;Lo&}U3F,! }
&:3Z.G _1L(7|^~y[ 双击表格打开新一页
R?pR xY if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
!^y y0`k6 {
/YH`4e5g string OrderItemID =e.item.cells[1].Text;
brSi< ...
_U0$ =V e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
O'$K],=BS }
aXY->< uP@\#/4u ★特别注意:【?id=】 处不能为 【?id =】
2r&R"B1`( 6.表格超连接列传递参数
"NzD1k6.L <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
V*RdDF7 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
uLk]LT Qx)Jtb0`V 7.表格点击改变颜色
aY)2eY if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
_Mt Qi {
y&oNv
xG- e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
sbo^"&%w this.style.color=’buttontext’;this.style.cursor=’default’;");
c|AtBgvf }
WKl+{e ? 2#(jZ# 2 写在DataGrid的_ItemDataBound里
909md|9K3 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
4woO;Gm {
l!
v!hUb+ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
8K{[2O7i) this.style.color=’buttontext’;this.style.cursor=’default’;");
1A<,TFg e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
`f9gC3Hk }
&aG*k* Xsuwa-G!5~ z0bJ?~w, 8.关于日期格式
iqwkARG" Ai"-w" 日期格式设定
mC[UXN/ DataFormatString="{0:yyyy-MM-dd}"
-*a?<ES` "i&"* ~ 我觉得应该在itembound事件中
u~1o(Zn
= e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
7&B$HZ LL*mgTQ 9.获取错误信息并到指定页面
@|\R}k%( @=Fi7M 不要使用Response.Redirect,而应该使用Server.Transfer
E9}{1A 8VQ 24r
e.g
x\\~SGd // in global.asax
ycAKK?O* protected void Application_Error(Object sender, EventArgs e) {
a9U_ug58 if (Server.GetLastError() is HttpUnhandledException)
tPfFqqT Server.Transfer("MyErrorPage.aspx");
]zfG~^. #VVr"*7$ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Vj?DA5W`' }
+&|S'7&{ Sr_VL:Gg 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
dy>!KO -JT/9IQ 10.清空Cookie
'h1b1,b~
Cookie.Expires=[DateTime];
Uf\nFB? ^ Response.Cookies("UserName").Expires = 0
XfYC7-e9c mQ~:Y 11.自定义异常处理
W# US#<9Y //自定义异常处理类
?rYT4vi using System;
b)#Oc, using System.Diagnostics;
$s5a G)?7 ^U[D4UM namespace MyAppException
X"aEJ|y {
^aZAw%K /// <summary>
>~nF= /// 从系统异常类ApplicationException继承的应用程序异常处理类。
^W?Z /// 自动将异常内容记录到Windows NT/2000的应用程序日志
h8e757z /// </summary>
s{bdl[7 public class AppException:System.ApplicationException
o@bNpflb` {
HQP}w%8x public AppException()
vZj`| {
\G|%Zw| if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
MV>$BW }
1O/
g&u xdvh-%A4 public AppException(string message)
&>g'$a<[ {
~lAKJs#{ LogEvent(message);
M~Ttb29{ }
%@"!8Y(j ]D2udeg public AppException(string message,Exception innerException)
"&.S&=FlI {
9=X)ung9 LogEvent(message);
LOy0hN-$b if (innerException != null)
=
u[#2! {
rjx6Djo> LogEvent(innerException.Message);
a>O9pX }
4LH[4Yj?` }
e4>"92hX *J|(jdu7 //日志记录类
<[:o !$ using System;
Z4hrn:: using System.Configuration;
2d>hi32I using System.Diagnostics;
yp.[HMRD using System.IO;
v"& pQ using System.Text;
a|7a_s4( using System.Threading;
SMH<'F7i 2{Vcb namespace MyEventLog
1 rs&74- {
DV)3 /// <summary>
EZ;"'4;W /// 事件日志记录类,提供事件日志记录支持
:#k &\f-Y /// <remarks>
`o]g~AKX /// 定义了4个日志记录方法 (error, warning, info, trace)
#|GSQJ$F)` /// </remarks>
nrm+z"7 /// </summary>
q#w8wH" public class ApplicationLog
39wa|:I {
Vwk #qgnX /// <summary>
L"jY+{oLIJ /// 将错误信息记录到Win2000/NT事件日志中
B.r4$:+jb2 /// <param name="message">需要记录的文本信息</param>
Ian[LbCWB /// </summary>
~Nf})U public static void WriteError(String message)
1923N]b {
Y6i _!z[V[ WriteLog(TraceLevel.Error, message);
@yd4$Mv8% }
]?O2:X @Jm7^;9/ /// <summary>
/S5|wNu /// 将警告信息记录到Win2000/NT事件日志中
<@wj7\pQ /// <param name="message">需要记录的文本信息</param>
tGA :[SP /// </summary>
[r+ZE7$2b" public static void WriteWarning(String message)
hpTDxh'?$C {
ui q^|5Z WriteLog(TraceLevel.Warning, message);
qyC=(v }
i)
E|bW; )^||\G /// <summary>
wNFz*|n /// 将提示信息记录到Win2000/NT事件日志中
H{J'#
9H /// <param name="message">需要记录的文本信息</param>
@%k}FL=:t( /// </summary>
GdV1^`M6 public static void WriteInfo(String message)
oi}i\:
hI {
~qe%Yq WriteLog(TraceLevel.Info, message);
!q"W{P }
wo_,Y0vfB /// <summary>
H~ZV*[A` /// 将跟踪信息记录到Win2000/NT事件日志中
sGh(#A0Pt /// <param name="message">需要记录的文本信息</param>
2(5ebe[ /// </summary>
qTZFPfyU public static void WriteTrace(String message)
n
-( {
Hbv6_H WriteLog(TraceLevel.Verbose, message);
kKC9{^%) }
T91moRv niB`2J /// <summary>
ARcB'z\r /// 格式化记录到事件日志的文本信息格式
Zo1,1O /// <param name="ex">需要格式化的异常对象</param>
;XM{o:1Y[ /// <param name="catchInfo">异常信息标题字符串.</param>
"&Po,AWa /// <retvalue>
2'=T[<nNB /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
=X.LA%Sf=u /// </retvalue>
Z{&cuo.@<] /// </summary>
[Nn`l, public static String FormatException(Exception ex, String catchInfo)
}neY<{z {
c'/l,k StringBuilder strBuilder = new StringBuilder();
|5Xq0nvCe if (catchInfo != String.Empty)
U9b?i$ {
.bBdQpF- strBuilder.Append(catchInfo).Append("\r\n");
|rm g#;/D }
{( r6e strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
cwiX8e"3 return strBuilder.ToString();
45hF`b>%, }
=zQN[ %p%%~ewmx /// <summary>
Ft}@1w5 /// 实际事件日志写入方法
{s. = )0V /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
:
]C~gc /// <param name="messageText">要记录的文本.</param>
RKPO#qju\F /// </summary>
4apL4E"r private static void WriteLog(TraceLevel level, String messageText)
II6CHjW`; {
x _c[B4Tw try
MEB it {
cnTaJ/o EventLogEntryType LogEntryType;
I? ,>DHUX switch (level)
I`NjqyTW {
$D G?M6 case TraceLevel.Error:
U&O:
_>~ LogEntryType = EventLogEntryType.Error;
e7wSOs break;
P.gb1$7< case TraceLevel.Warning:
]U"94S U:) LogEntryType = EventLogEntryType.Warning;
bhniB@< break;
"AE5
V' case TraceLevel.Info:
Omd .9 LogEntryType = EventLogEntryType.Information;
#%DE; break;
):iA\A5q[ case TraceLevel.Verbose:
*}P~P$q% LogEntryType = EventLogEntryType.SuccessAudit;
m *JaXa break;
;*MLRXq default:
UX7t`l2R LogEntryType = EventLogEntryType.SuccessAudit;
eJg8,7WC break;
%c4Hse#Y }
X&kp;W Kr)a2rZ}SL EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
1I:+MBGin //写入事件日志
O%bEB g eventLog.WriteEntry(messageText, LogEntryType);
vN;mPd~g
EFz&N\2 }
eA<0$Gs,h catch {} //忽略任何异常
!KUi\yQ1 }
~@}Bi@* } //class ApplicationLog
5{g?,/( }
%7|9sQ: `nu''B
H 12.Panel 横向滚动,纵向自动扩展
FJMrs[ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
\-g)T}g,I 9 AJ(&qY( 13.回车转换成Tab
<7~'; K <script language="javascript" for="document" event="onkeydown">
A}l3cP;
`# if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
dkz=CY3p%X event.keyCode=9;
q.;u?,|E/ </script>
79;<_(Y %^jMj2 onkeydown="if(event.keyCode==13) event.keyCode=9"
@{25xTt JD|=>) 14.DataGrid超级连接列
\kZ? DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
RCpR3iC2 ff^=Ruf$ 15.DataGrid行随鼠标变色
W)bLSL]`E private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
+U3DG$ {
hv?9*tLh0 if (e.Item.ItemType!=ListItemType.Header)
'tH_p {
:=Nz}mUV e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
,y#Kv|R e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
o2F)%T DY }
?{[
v+t# }
J\b^) u ,KD4{! 16.模板列
Fe4(4 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
p>huRp^w <ITEMTEMPLATE>
$&n=$C&x <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
F1yqxWHeo </ITEMTEMPLATE>
[1S|dc>.O% </ASP:TEMPLATECOLUMN>
aht[4(XH5 cz8T <ASP:TEMPLATECOLUMN headertext="选中">
lgk.CC <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
e~=;c <ITEMTEMPLATE>
GB=X5<; <ASP:CHECKBOX id="chkExport" runat="server" />
#AJM6* G9 </ITEMTEMPLATE>
[MUpxOAsd <EDITITEMTEMPLATE>
uI )6M <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
dl.p\t(1 </EDITITEMTEMPLATE>
3ca (i/c </ASP:TEMPLATECOLUMN>
%WjXg:R fb e[@#: 后台代码
MDn ua protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
=c\>(2D {
|IzPgC //改变列的选定,实现全选或全不选。
[<@.eH$hU/ CheckBox chkExport ;
D9H?:pmv? if( CheckAll.Checked)
asppRL|| {
"y}-- foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
W:pIPDx1=! {
V@g'#={r chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
s{*[]! chkExport.Checked = true;
uxr #QA }
_9F9W{' }
o6.^*%kM' else
W*2BT
z {
s Z].8. foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
?67Y-\} {
n-tgX?1' chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
k%WTJbuG<) chkExport.Checked = false;
+V{kb<P }
*nkoPVpC }
6a~|K-a6 }
inMA:x}cF1 +~ P2C6@G 17.数字格式化
!Wntd\w n{argI8wF 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
m#|
9hMu <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Q+{xZ'o"Z Rl?_^dPx int i=123456;
f.KN-f8<F string s=i.ToString("###,###.00");
YJT&{jYi ~:s>aQ`! 18.日期格式化
G[uK -U (x;@%:3j$ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
n FHUy9q P@V0Mi), 显示为: 2004-8-11 19:44:28
8V`WO6* EE06h-n s 我只想要:2004-8-11 】
&5B'nk" <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
2} /aFR 3
/g~A{ 应该如何改?
f<d`B]$( /
*#r`A 【格式化日期】
-
M4JJV( dO!
kk"qn 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
^BikV *av<E 【日期的验证表达式】
E Nhl&J Q{>+ft U A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
<lPm1/8 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
\wz6~5R l<58A7 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
he;dq)-e9 ^\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]))$
+V ;l6D 61C7.EZZ; 【大小写转换】
Bu~]ey1 HttpUtility.HtmlEncode(string);
P~ >OS5^ HttpUtility.HtmlDecode(string)
H)kwQRfu =(j1rW! 19.如何设定全局变量
|6sp/38#p _)3|f<E_t) Global.asax中
:^6y7&o[ *K8$eDNZ Application_Start()事件中
U)]oO '}53f2%gKa 添加Application[属性名] = xxx;
J?"B%B5c {4<C_52t 就是你的全局变量
N2^=E1|_ c <B/V0] 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
MzdV2. &
p HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
/|6N*>l)y dd %6t 【ASPNETMENU】点击菜单项弹出新窗口
/=nJRC3. }c,}V 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
24 ' J <?xml version="1.0" encoding="GB2312"?>
z% ?+AM)P <MenuData ImagesBaseURL="images/">
@e.C"@G <MenuGroup>
_$E6P^AQ <MenuItem Label="内参信息" URL="Infomation.aspx" >
U2#"p
<MenuGroup ID="BBC">
?Jm^< <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
=
SMXDaH <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
v!~fs)cdE| ......
G:<aB &AeX 最好将你的aspnetmenu升级到1.2版
'x#~'v* f643#1 21.读取DataGrid控件TextBox值
{I%cxQ#y foreach(DataGrid dgi in yourDataGrid.Items)
C_}]`[ {
J5K^^RUR TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
@1roe
G tb.Text....
F]O`3e=! }
?=sDM& ' :%=Xm 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?
@Md/Q~> yLvDMPj 〖思归〗
< `=j^LU <asp:TemplateColumn HeaderText="数量">
UERLtSQ <ItemTemplate>
JX;<F~{. <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
0*3R=7_},o onkeyup="javascript:DoCal()"
/l~p=PK />
Cv.C;H lfow1WRF <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
*w`sM%]Rq </ItemTemplate>
Woym/[i </asp:TemplateColumn>
reu*53r] Q~
w|# <asp:TemplateColumn HeaderText="单价">
0
1rK8jX <ItemTemplate>
W' VslZG <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
tCH!my_ onkeyup="javascript:DoCal()"
rpha!h>w1% />
q"lSZ;
'E -=Q*Ml#I <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
+5*95-;0 >1Ibc=}g </ItemTemplate>
)D7m,Wi+ </asp:TemplateColumn>
D%pF;XY `4J$Et%S <asp:TemplateColumn HeaderText="金额">
K\Wkoi5 <ItemTemplate>
iOghb*aW <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
p?OoC </ItemTemplate>
Dw.J2>uj </asp:TemplateColumn><script language="javascript">
k1~&x$G function DoCal()
e#8Q L {
H/
HMm{4 var e = event.srcElement;
C ;W"wBz9 var row = e.parentNode.parentNode;
lTgjq:mn var txts = row.all.tags("INPUT");
IM'r8V if (!txts.length || txts.length < 3)
K;G~V\ return;
p8O2Z?\ :P~6~
Kum var q = txts[txts.length-3].value;
$qnZl'O> var p = txts[txts.length-2].value;
QA`sx 7>%8eEc if (isNaN(q) || isNaN(p))
`*R:gE= return;
g]H<}4lgq" rq].UCj q = parseInt(q);
BX7kO0j p = parseFloat(p);
Cl7xt}I kgP0x-Ap txts[txts.length-1].value = (q * p).toFixed(2);
+'HqgSPyb }
cF}".4|kZ< </script>
!*N@ZL&X Bnxm HGP#& F^;ez/Gl gR;i(81U r`d4e,( 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
\ ~$#1D1f page_load
:4/3q|cn page.smartNavigation=true
&j"?\f? g}cq K 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 ?
oD.Cs' private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
#q=Efn' {
+a+Om73B2 for(int i=0;i<e.Item.Cells.Count-1;i++)
^hM4j{|&M if(e.Item.ItemType==ListItemType.EditType)
dUZ
,m9u {
;4|15S e.Item.Cells.Attributes.Add("Width", "80px")
<\^8fn }
}Zn} }
aX'*pK/- sDlO# 26.对话框
%P|/A+Mg" private static string ScriptBegin = "<script language=\"JavaScript\">";
+=</&Tm private static string ScriptEnd = "</script>";
%7.30CA|# hRhe& ,v public static void ConfirmMessageBox(string PageTarget,string Content)
tT_\ i6My {
{JMVV_}n string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
5U$0F$BBp '\iCP1>+S ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
)3EY; 0aB;p7~& Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
mCVFS=8V ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
/y}xX //Response.Write(strScript);
vA8nvoi }
OQJ6e:BGt -FaJ^CN~ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
%>{0yEC Tyx_/pJT 1.1 取当前年月日时分秒
3f{3NzN currentTime=System.DateTime.Now;
lt8|9"9< @Jw-8Q{ 1.2 取当前年
SE %pw9 int 年= DateTime.Now.Year;
kt:!
7 YIYmiv5 1.3 取当前月
EaN6^S= int 月= DateTime.Now.Month;
ZUd-<y r;N|) 1.4 取当前日
u'BaKWPS int 日= DateTime.Now.Day;
(*iHf"=\ [{,1=AB 1.5 取当前时
`[i r}+S int 时= DateTime.Now.Hour;
C LRdm^B SwMc
pNo 1.6 取当前分
XwaXdvmK int 分= DateTime.Now.Minute;
0 kW,I "4{r6[dn 1.7 取当前秒
wf<M)Rs| int 秒= DateTime.Now.Second;
}BP;1y6-r KbeC"mi 1.8 取当前毫秒
8$}<, c( int 毫秒= DateTime.Now.Millisecond;
]c'A%:f< 3[*}4}k9 28.自定义分页代码:
. $vK&k Q\Vgl(;lX 先定义变量 :
sQZhXaMa $ public static int pageCount; //总页面数
3^yK!-Wp( public static int curPageIndex=1; //当前页面
.Z *'d N;`n@9BF 下一页:
Z7Hbj!d/Sz if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
6Z"X}L,* {
0o&5]lEe DataGrid1.CurrentPageIndex += 1;
$IpccZpA curPageIndex+=1;
GZIa4A }
RZTiw^ yJIscwF bind(); // DataGrid1数据绑定函数
;aVZ"~a+\ 9hyn`u. 上一页:
)8ZH-|N`!E if(DataGrid1.CurrentPageIndex >0)
qJ-/7-$ ^ {
CU!Dhm/U DataGrid1.CurrentPageIndex += 1;
AA>P`C$&M curPageIndex-=1;
2D5StCF$O }
La[V$+Y [Y `W bind(); // DataGrid1数据绑定函数
`Urhy#LC < =IFcN 直接页面跳转:
7b+6%fV int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
?}Y]|c^W oQJtUP% if(a<DataGrid1.PageCount)
pd$[8Rmj_ {
a d\ot#V this.DataGrid1.CurrentPageIndex=a;
4_ML],. }
6_B]MN!( B%68\ bind();
I7]8Y=xf N?8!3&TiV 29.DataGrid使用:
f
_:A0 Zv{'MIv&v 添加删除确认:
n `Ac 3A private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#KvlYZ+1 {
M<&= S foreach(DataGridItem di in this.DataGrid1.Items)
;$Jo+# {
{P-): if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
1|=A*T-<M {
|Y.?_lC ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
:Zlwy-[ }
0=$T\(0g }
'Pbr
v }
#5uOx(> uXiN~j &Be 样式交替:
#O&8A ListItemType itemType = e.Item.ItemType;
Pg{J{gn m]&SN z= if (itemType == ListItemType.Item )
t6t!t*jO {
|N] XJ)? e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
K(|}dl: e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
C,eu9wOT }
lU]nd[x else if( itemType == ListItemType.AlternatingItem)
7t3!)a|lI {
+ZX{>:vo e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
}6ldjCT/, e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Vjpy~iP4B }
n=q76W\ 7xR\kL., 添加一个编号列:
_#8MkW#]~ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
"J1
4C9u
DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
-G=]=f/' 2fS:-
8N for(int i=0;i<dt.Rows.Count;i++)
vih9KBT {
~VB1OLgv#. dt.Rows["number"]=(i+1).ToString();
Dt1jW }
-:rUw$3J wuo,kM DataGrid1.DataSource=dt;
8FhdN DataGrid1.DataBind();
iURe( [@ !5N.B|Nt DataGrid1中添加一个CheckBox,页面中添加一个全选框
5lum $5 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
y
B$x>Q'C( {
d_P` qA foreach(DataGridItem thisitem in DataGrid1.Items)
T> p&$]OG {
'c~4+o4co ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
&5R&k0i r }
+cRn%ioVi }
[N'h%1]\ .]K%G\*`: 将当前页面中DataGrid1显示的数据全部删除
VtohL+ foreach(DataGridItem thisitem in DataGrid1.Items)
h@BY]80 {
wgA_38To if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
y)<q/ {
to&m4+5?6 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
[-x7_=E# Del (strloginid); //删除函数
5IG-~jzCLb }
`H+lPM66 }
4&iCht
= Z30A{6} 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)
"wc<B4" 2Z%O7V~u 在Application_Start中添加以下代码:
IVmo5,&5( Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
E(|>Ddv B& AppSettings["ConnStr"].ToString();
8cQ'dL`( yh=N@Z*zP 31. 变量.ToString()
8b=_Y; 5LMw?P.< 字符型转换 转为字符串
K<J9~ 12345.ToString("n"); //生成 12,345.00
:zR!/5 12345.ToString("C"); //生成 ¥12,345.00
T8NxJmYqB 12345.ToString("e"); //生成 1.234500e+004
T^q
0'#/ 12345.ToString("f4"); //生成 12345.0000
L:x-%m%w 12345.ToString("x"); //生成 3039 (16进制)
: E?V. 12345.ToString("p"); //生成 1,234,500.00%
Vw"\{` 54qFfN8O 32、变量.Substring(参数1,参数2);
fc@A0Hf 13wE"- 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);
048kPXm` XX~,>Q}H= 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)
M^I(OuRMeI <SCRIPT language="javascript">
hv+zGID7 <!--
:Tq~8!s function gook(pws)
[/ZO q {
:hA#m[ frm.submit();
E\$W_Lmr }
Q@H V- (A //-->
Y\tui+?J c`Wa^( </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
tnIX:6 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
g=I})s:CTp <tr>
|cY`x(?yP <td>
H)&R=s <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
2"~8Z(0 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
:Qq#Z <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
mA} "a<0 -']56o_sQ/ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
^C%<l(b <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
\Og+c% B-ESFATc </td>
"w_aM7x_ i?;Kq~, </tr>
YbLW/E\T v8DC21pb </form>
y?!"6t7& ,[;G|et 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。
H']+L~j :H[6Lg\* 下面是获取用户输入的登陆信息的代码:
z$Qbj string name;
0(btA~'* name=Request.QueryString["EmailName"];
SY8C4vb'h U<-D(J try
CH/rp4NeSy {
t>sE x: int a=name.IndexOf("@",0,name.Length);
8$|=P!7EO f_user.Value=name.Substring(0,a);
~_ a-E f_domain.Value=name.Substring(a+1,name.Length-(a+1));
$]8Q(/mbK f_pass.Value=Request.QueryString["Psw"];
F<w/PMb }
6@Y|"b {^\r`Vp catch
3N:D6w-R {
::F|8 Script.Alert("错误的邮箱!");
Np)lIGE Server.Transfer("index.aspx");
:i7;w%B }