1. 打开新的窗口并传送参数:
-$$mr U -us:!p1T 传送参数:
[5]n,toAh response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
pj$kSS|m6- Yl=-j 接收参数:
Z!3R string a = Request.QueryString("id");
8nwps(3 string b = Request.QueryString("id1");
<[K3Prf C q:=jv6T# 2.为按钮添加对话框
Dus!Ki~8(t Button1.Attributes.Add("onclick","return confirm(’确认?’)");
ozKS<< button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
l,Fn_zO bd H+M?k 3.删除表格选定记录
_l2_) ~ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
[^D>xD3B2 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
!E| m'_x* FY`t7_Y?GV 4.删除表格记录警告
$%4<q0- private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
.osG"cS {
qWf[X' switch(e.Item.ItemType)
8`6G_:&X {
2A:&Cqo case ListItemType.Item :
;y-:)7J case ListItemType.AlternatingItem :
jib pZ) case ListItemType.EditItem:
&xZSM, TableCell myTableCell;
`z$P,^g` myTableCell = e.Item.Cells[14];
UyFC\vQ LinkButton myDeleteButton ;
a l9(
9) myDeleteButton = (LinkButton)myTableCell.Controls[0];
o2cc3`*8d myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
7!wc'~; break;
?#Y:2LqP C default:
Xppv break;
p{:y?0pGN }
CM%;/[WBxy GFju:8P? }
+o):grWvQ zszmG^W{ 5.点击表格行链接另一页
T+B8SZw#}! private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'Lw8l `7 {
mn\A)RQ //点击表格打开
Gpi_p if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
4LW~ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
9hssIZO }
KuW>^mF(I ,SNt*t1" 双击表格连接到另一页
uUV"86B_ 'oH3| 在itemDataBind事件中
:LlZ#V2 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
A}}dc:$C {
IZ\fvYp string OrderItemID =e.item.cells[1].Text;
/DP0K
@% ...
8_o~0lb e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
gf?N(, }
i=1crJ: i+pQ 7wx 双击表格打开新一页
ec/>LJDX7 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
29CzG0?B {
K|OPtYeb string OrderItemID =e.item.cells[1].Text;
wX_~H*m? ...
;)wk^W e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
e ;^}@X
}
@WJ\W `P \Rb:t} ★特别注意:【?id=】 处不能为 【?id =】
^do6?e`?- 6.表格超连接列传递参数
pw5{=bD <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
KV8<'g +2? <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
qj `C6_? a2ho+TwT 7.表格点击改变颜色
xRdx`
YY u if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
{jH'W)nR {
2i;ox*SfpU e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
UO#`Ak this.style.color=’buttontext’;this.style.cursor=’default’;");
T\(k=0RM }
,I ][ W/b)OlG"2 写在DataGrid的_ItemDataBound里
rV4K@)~ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
sH_,P {
KU*aJl_n, e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
4=EA3`l this.style.color=’buttontext’;this.style.cursor=’default’;");
7S^G]g!x e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
^\kH^ }
Jz3,vVfQ: !s?SI=B8 m(d|TwG{ 8.关于日期格式
ez.a ;<thEWH;Y 日期格式设定
&%GAPs% DataFormatString="{0:yyyy-MM-dd}"
mwyB~,[d+W 3Zl:rYD? 我觉得应该在itembound事件中
0xO*8aKT e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
n\V7^N biBMd(6 9.获取错误信息并到指定页面
jwBJG7\ $45.*>, 不要使用Response.Redirect,而应该使用Server.Transfer
k3nvML,bv <P'FqQ] e.g
'TuaP`]< // in global.asax
vC`SD] protected void Application_Error(Object sender, EventArgs e) {
iRlpNsN if (Server.GetLastError() is HttpUnhandledException)
}ijQ*ECdl Server.Transfer("MyErrorPage.aspx");
|$e'yx6j
Gk/cP` //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
A<"<DDy }
GBWL0'COV PB7-`uz 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
QxGcRlpLK %[s%H)e) 10.清空Cookie
FpU8$o~r{ Cookie.Expires=[DateTime];
Q;!rN) Response.Cookies("UserName").Expires = 0
m{?f,Q=u@ %''L7o.#a 11.自定义异常处理
Mp>(cs //自定义异常处理类
?@;)2B|q using System;
s,8zj<dUv using System.Diagnostics;
>`SeX: 02trjp.f namespace MyAppException
B>m*!n:l {
9xhc:@B1J /// <summary>
V>,=%r4f /// 从系统异常类ApplicationException继承的应用程序异常处理类。
T_=WX_h $ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
)7.DF|A /// </summary>
&e;Qabwxva public class AppException:System.ApplicationException
vJ=Q{_D=\ {
CswKT9 public AppException()
i%i/>;DF {
'
|B3@9< if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
<F(2D<d{;) }
N$IA~) VN`fZ5*d~ public AppException(string message)
rQ_@q_B. {
%lWOW2~R LogEvent(message);
qP<D9k> }
SY[3O KR%WBvv public AppException(string message,Exception innerException)
X!/Sk1 {
>5:O%zQ@ LogEvent(message);
Bf;_~1+vLG if (innerException != null)
|*UB/8C^/! {
6h,!;`8O LogEvent(innerException.Message);
M}# DX=NZc }
n=C"pH# }
jVQ89vf
~ X~c?C-fV //日志记录类
\yFUQq: using System;
'ScvteQ using System.Configuration;
<Nqbp using System.Diagnostics;
{.jW"0U using System.IO;
)y;7\-K0 using System.Text;
matna using System.Threading;
X(MS!R V '!8-/nlv1 namespace MyEventLog
ocJG4# {
9jqsEd-SW /// <summary>
@v2ko5 /// 事件日志记录类,提供事件日志记录支持
3N|z^6`# /// <remarks>
?z&%VU" /// 定义了4个日志记录方法 (error, warning, info, trace)
7[1|(6$ /// </remarks>
o!KDeY /// </summary>
}UB@FRPF public class ApplicationLog
OQB7C0+ & {
H(K
PU1lDw /// <summary>
[K\b"^=< /// 将错误信息记录到Win2000/NT事件日志中
j;Z?q%M{6 /// <param name="message">需要记录的文本信息</param>
;-kDJi /// </summary>
BR@m*JGajz public static void WriteError(String message)
uHSnZ"# {
6`@J=Q? WriteLog(TraceLevel.Error, message);
#o4tG }
Pap6JR{7 'u;O2$ /// <summary>
=!^
gQ0~4 /// 将警告信息记录到Win2000/NT事件日志中
QO(F%&v++ /// <param name="message">需要记录的文本信息</param>
adX"Yg!`{c /// </summary>
,:A;4 public static void WriteWarning(String message)
S* O .
? {
fM4B.45j WriteLog(TraceLevel.Warning, message);
I*3}erT }
y"q>}5 vBl:&99[/ /// <summary>
FZj>N( /// 将提示信息记录到Win2000/NT事件日志中
k-=LD /// <param name="message">需要记录的文本信息</param>
o?hr>b /// </summary>
Lm2)3;ei public static void WriteInfo(String message)
UWvVYdy7 {
-R:_o1" WriteLog(TraceLevel.Info, message);
>VkBQM-% }
3}8o 9 /// <summary>
poxF`a6e+ /// 将跟踪信息记录到Win2000/NT事件日志中
GgG#]a!_f /// <param name="message">需要记录的文本信息</param>
pcwYgq#5 /// </summary>
uoI7'
:Nv public static void WriteTrace(String message)
~BmA!BZV` {
Q}L?o WriteLog(TraceLevel.Verbose, message);
yW=+6@A4 }
?}4,s7PR @CmKF /// <summary>
jTcv&`fAz /// 格式化记录到事件日志的文本信息格式
ZDW=>}~_y /// <param name="ex">需要格式化的异常对象</param>
n%7?G=_kj /// <param name="catchInfo">异常信息标题字符串.</param>
lnyfAq}w /// <retvalue>
()?83Xj[c /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
0>N6.itOz /// </retvalue>
J4"Fj, FS /// </summary>
=oq8SL?bJ* public static String FormatException(Exception ex, String catchInfo)
KZw~Ch}b9 {
ggx_h StringBuilder strBuilder = new StringBuilder();
\xCCJWek if (catchInfo != String.Empty)
h&$h<zL[ {
CC`_e^~y=F strBuilder.Append(catchInfo).Append("\r\n");
\toU zTT }
kygw}|, N strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
g=56|G7n return strBuilder.ToString();
96(Mu% l }
7*{f*({ 0yI1r7yNB+ /// <summary>
njaMI8|Pa /// 实际事件日志写入方法
S-7&$n /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
_Ns EeKU /// <param name="messageText">要记录的文本.</param>
aIV
/ c /// </summary>
- |g"q| private static void WriteLog(TraceLevel level, String messageText)
/q]rA {
+ '_t)k^ try
LnI {
p2i?)+z EventLogEntryType LogEntryType;
+SH{`7r switch (level)
F#sm^% _2 {
dWvVK("Wj case TraceLevel.Error:
RDp LogEntryType = EventLogEntryType.Error;
(O5Yd 6u break;
rm,`M case TraceLevel.Warning:
W8^m-B& LogEntryType = EventLogEntryType.Warning;
WR"D7{>tw break;
Y#ZgrziYM case TraceLevel.Info:
[7FG;}lB- LogEntryType = EventLogEntryType.Information;
]$@D=g,r break;
;mG*Rad case TraceLevel.Verbose:
`.W2t5Y LogEntryType = EventLogEntryType.SuccessAudit;
67II9\/ break;
#_wq#rF default:
$ s/E}X LogEntryType = EventLogEntryType.SuccessAudit;
,KW
Q
6 break;
9qB0F_xl }
LKu\M h| S%i^`_=Q EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
[8i)/5D4 //写入事件日志
&vpKBR^ eventLog.WriteEntry(messageText, LogEntryType);
\g39>;iR M Irx,d }
~P1~:AT catch {} //忽略任何异常
P2-&Im`+ }
Hsf::K x } //class ApplicationLog
E+]9!fDy< }
N>!:bF YNEwX$)M,B 12.Panel 横向滚动,纵向自动扩展
s{Z)<n03 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
MY^{[#Q :CyHo6o9 13.回车转换成Tab
J,2V&WuV0r <script language="javascript" for="document" event="onkeydown">
X g6ezlW if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
FPDTw8" B; event.keyCode=9;
y2G Us&09 </script>
MEiP&=gX! O,Q.- onkeydown="if(event.keyCode==13) event.keyCode=9"
hJ}i+[~be Rm} ym9 14.DataGrid超级连接列
^}_Ka //k DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
WTJ 0Q0U hzqJ! 15.DataGrid行随鼠标变色
U#` e~d t< private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
? nd:
:O {
kOYUxr.b if (e.Item.ItemType!=ListItemType.Header)
4+RR`I8$Ge {
7Q}pKq]P e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
M3pE$KT0x e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
%c }V/v_h }
pjWRd_h. }
%=`JWLLG /,Xl8<~# 16.模板列
Hc)z:x;Sj <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
=:-fK-d <ITEMTEMPLATE>
)(G9[DG <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
K3yQ0k
| </ITEMTEMPLATE>
*;o%*: </ASP:TEMPLATECOLUMN>
,@`?I6nKy H@Z_P p? <ASP:TEMPLATECOLUMN headertext="选中">
fjh|V9H <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Ax;[ Em?I <ITEMTEMPLATE>
?Y( <ASP:CHECKBOX id="chkExport" runat="server" />
BzzC| </ITEMTEMPLATE>
513,k$7 <EDITITEMTEMPLATE>
4Z"}W!A <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
O
*sU|jeO </EDITITEMTEMPLATE>
h.jJAVPi </ASP:TEMPLATECOLUMN>
4l$OO;B }aZuCe_ 后台代码
>HP
`B2Q
H protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
l|P"^;*zq {
B*(]T|ff< //改变列的选定,实现全选或全不选。
p)y5[HX CheckBox chkExport ;
53HA6:Q[ if( CheckAll.Checked)
[FO4x` {
~KBa-i%o foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
kA:mB;: {
zJe KB8 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
No^gKh24 chkExport.Checked = true;
`2mddx8 }
Joow{75K }
-NBVUUAgN else
V(MYReaPC] {
f[@96p?a[ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
.H" ?&Mf {
AUnfhk@$ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
8tj]@GE chkExport.Checked = false;
3gA %Q`" }
2c `m= }
wPlM=
.Hq? }
SH%NYjj Y{YbKKM 17.数字格式化
2HE@!*z9H Pe`(9&iT. 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
C8U3+ s <%#Container.DataItem("price","{0:¥#,##0.00}")%>
T+kV~ w{ i}-uK,^ int i=123456;
AI|vL4*Xd string s=i.ToString("###,###.00");
"4N&T# k# [!; < 18.日期格式化
<LHhs<M' tW\yt~q, 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
"r9Rr_,
> E9:@H;Gc 显示为: 2004-8-11 19:44:28
>>U>'}@Q LOh2eZ"n 我只想要:2004-8-11 】
M<vPE4TIr* <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
SyWZOE%p :gVUk\) 应该如何改?
Vao:9~ "-~7lY% 【格式化日期】
|5&+VI kwI``7g8*e 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
F B]Y~;( Y|>dS8f;4 【日期的验证表达式】
VoU8I ~ U0x
A~5B A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
YvR bM ^((\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})))?$
r/Y J, 2! ij"~]I B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
]PXM;w ^\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]))$
GEBSUvM 7 UcRP/LR%C 【大小写转换】
A_xC@$1e< HttpUtility.HtmlEncode(string);
#N|\7(#~u HttpUtility.HtmlDecode(string)
'p@f5[t g`Z=Y7jLH 19.如何设定全局变量
RRL{a6(? @!8aZB3odt Global.asax中
TEtmmp0OD 8q2a8I9g Application_Start()事件中
mQ"~x] "Ep"$d 添加Application[属性名] = xxx;
eg0_ < iq#{*:1 就是你的全局变量
"+HJ/8Dd1 70'OS:J=\ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Z)?$ZI@ PL/g| ; HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
bi<<z-q`wJ M\ATT%b: 【ASPNETMENU】点击菜单项弹出新窗口
{,>G 1>Yv \DB-2*a" 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
C:QB=?%; <?xml version="1.0" encoding="GB2312"?>
nm^HL| <MenuData ImagesBaseURL="images/">
(b&g4$!x&5 <MenuGroup>
7=^{~5# <MenuItem Label="内参信息" URL="Infomation.aspx" >
;%e&6 <MenuGroup ID="BBC">
T{{:p\<]_ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
7^L <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
).~
" ......
N /4E
~^2 2+1ybOwb 最好将你的aspnetmenu升级到1.2版
V9c.(QY|f Myq8`/_ 21.读取DataGrid控件TextBox值
DT-VxF6 h foreach(DataGrid dgi in yourDataGrid.Items)
`4Yo-@iVP {
9LR=>@Z TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
K-RmB4WI tb.Text....
Et=Pr+Q{c }
JZ5k3#@e X9x`i 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?
W06aj ~7Z 57\ 0MQO 〖思归〗
RvzZg%) <asp:TemplateColumn HeaderText="数量">
w~lH2U'k} <ItemTemplate>
XwH>F7HPe <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
dC=[o\ onkeyup="javascript:DoCal()"
4G&`&fff] />
\Kl20? Q\Ek U.[I <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
/%@;t@BK4 </ItemTemplate>
>eJ<-3L; </asp:TemplateColumn>
gZ @+62 RGW@@ <asp:TemplateColumn HeaderText="单价">
'I[?R&j$G <ItemTemplate>
fdl.3~.C <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
c(Q@5@1y: onkeyup="javascript:DoCal()"
H:fKv7XL />
I}C2;[a B ddHl&+G <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
JT+c7W7 f"6W ;b2L. </ItemTemplate>
Q}BMvR 9w </asp:TemplateColumn>
z^bS+0S5x! v~$V <asp:TemplateColumn HeaderText="金额">
(W1$+X <ItemTemplate>
1@]&iZ] <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
)[rVg/m </ItemTemplate>
C'6I< YX </asp:TemplateColumn><script language="javascript">
'$ei3 function DoCal()
L2H {
j.E=WLKV* var e = event.srcElement;
wgl <JO var row = e.parentNode.parentNode;
)Sn0Y B var txts = row.all.tags("INPUT");
$xO8? if (!txts.length || txts.length < 3)
m:@y_:X0 return;
IJ^~,+
'a#lBzu\b var q = txts[txts.length-3].value;
BP/nK. var p = txts[txts.length-2].value;
p2vN=[g9) &Ok1j0~~ if (isNaN(q) || isNaN(p))
#asg5 } return;
W+h2 rv <-VBb[M# q = parseInt(q);
s.J4&2Q p = parseFloat(p);
K%q5:9m rc_m{.b txts[txts.length-1].value = (q * p).toFixed(2);
6tKrR{3#A }
QLqtE;;)JK </script>
S<Dbv? ;V,L_"/X eL3 _Lz M2Q,&>M
:_e[xB=Yy 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。
kwjO5OC8 page_load
;(C<gt,r} page.smartNavigation=true
[ZWAXl
$ 'D\X$^J^ 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
oE 'P private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
3h7RQ:lUi {
^Jp T8B} for(int i=0;i<e.Item.Cells.Count-1;i++)
^exU]5nvz if(e.Item.ItemType==ListItemType.EditType)
us.#|~i<h {
C4+DZ<pE e.Item.Cells.Attributes.Add("Width", "80px")
PR8nJts W5 }
Pn,I^Ej . }
<KMCNCU\+ *b{IWOSe^ 26.对话框
] Q5:JV private static string ScriptBegin = "<script language=\"JavaScript\">";
.psb#4 private static string ScriptEnd = "</script>";
,`geOJn'
s%)f<3=a public static void ConfirmMessageBox(string PageTarget,string Content)
;Y7'U rn {
H4g8
1V= string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
~[;r)
g\ PaCCUF ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
BA@E 56;u7 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
"&6vFm r ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
^/C\:hw //Response.Write(strScript);
eF+F"|1h }
'f( CN3.! 64B.7S88 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
<>HtXn/ x^ `/&+m 1.1 取当前年月日时分秒
w;'XqpP$*| currentTime=System.DateTime.Now;
~?\U];l 9$)&b\D 1.2 取当前年
JL M Xkcc
int 年= DateTime.Now.Year;
=gVMt {irc0gI 1.3 取当前月
0'o[2, int 月= DateTime.Now.Month;
H^d?(Svh l7-lXl"%q 1.4 取当前日
Tg{5%~L] int 日= DateTime.Now.Day;
#/oH #/? Kd:l8%+ 1.5 取当前时
%o?)`z9- int 时= DateTime.Now.Hour;
r=Xo; d*TE ebBi zc= 1.6 取当前分
Oiib2Ov int 分= DateTime.Now.Minute;
#b ^6> ~1O|4mssS 1.7 取当前秒
\F|)w|v int 秒= DateTime.Now.Second;
=u2 z3$ od=hCQ1> 1.8 取当前毫秒
24J c`%7,= int 毫秒= DateTime.Now.Millisecond;
p%DU1+SA sxT&T=7 28.自定义分页代码:
QuR}6C cL9gaD$;) 先定义变量 :
$8\u public static int pageCount; //总页面数
"xlR>M6e public static int curPageIndex=1; //当前页面
H_&to3b( MG?,,8s O 下一页:
h*Fv~j'p if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
?lC>E[ {
6kAAdy}ck DataGrid1.CurrentPageIndex += 1;
=@U5/J curPageIndex+=1;
,U""m7 }
'I,a 29 +La2-I bind(); // DataGrid1数据绑定函数
,`f]mv l in>+D|q
c 上一页:
v0C+DKi if(DataGrid1.CurrentPageIndex >0)
|]G%b[ {
aM~IRLmK DataGrid1.CurrentPageIndex += 1;
cKTjQJ# curPageIndex-=1;
riW9l6s' }
J _rrc;F }ny7LQ bind(); // DataGrid1数据绑定函数
}H
~-oYMu j|KDgI<0 直接页面跳转:
L-9fo- int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
\ ca<L )0/9
L if(a<DataGrid1.PageCount)
/9br &s$B {
lC($@sC % this.DataGrid1.CurrentPageIndex=a;
m!ZY]:)$ }
bMKX9`*o YE`Y t bind();
@&?(XY 'M% }uma<b 29.DataGrid使用:
Y%;J/4dd .Y6v#VI 添加删除确认:
.57p4{ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
)K[\j?
{
v~SM"ky# foreach(DataGridItem di in this.DataGrid1.Items)
s4fO4.bn m {
#scZP if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
4aArxJ {
@ki|#ro ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
'~Y@HRVL@| }
_:[@zxT<x }
kWW2N0~$ }
-=5~h #LR4%}mg 样式交替:
!q+ #JW ListItemType itemType = e.Item.ItemType;
!7DDPJ~ CHGa_ if (itemType == ListItemType.Item )
.2&L. {
p3vf7 eqn e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
1^|#QMT e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
*v%y;^{k[/ }
?z>J7 }w*= else if( itemType == ListItemType.AlternatingItem)
DKf(igw {
5n?P}kca) e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
4x6n,:; e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
*QQeK#$s }
lpXGsKH2 QF/ULW0G! 添加一个编号列:
<|l}@\iRX DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
j&X&&=
DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
^=eC1bQA y"yo\IDW for(int i=0;i<dt.Rows.Count;i++)
1)k+v17]f5 {
m[eqTh4* dt.Rows["number"]=(i+1).ToString();
!dT+cZsf }
(tYZq86` +(2$YJ35 DataGrid1.DataSource=dt;
JuSS(dJw DataGrid1.DataBind();
J$}]p m\qeYI6, Z DataGrid1中添加一个CheckBox,页面中添加一个全选框
eN<L)a:J_ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
HQ@g6 {
4Kch=jt4# foreach(DataGridItem thisitem in DataGrid1.Items)
D^4nT,&8 {
Oa/zEH ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
P<IDb%W }
TVcA%]y{; }
E!ndXz 59 7?yS>(VmT 将当前页面中DataGrid1显示的数据全部删除
K T0t4XPM foreach(DataGridItem thisitem in DataGrid1.Items)
Go{,<
gm {
fJlNxdVr if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
n5=U.r {
p{5m5x string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
t8-P'3,Q$ Del (strloginid); //删除函数
S46aUkW. }
!64Tx }
0Agse) <yipy[D 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)
F
,472H >OaD7 在Application_Start中添加以下代码:
d@ K-ZMq Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
O2 >c|=# AppSettings["ConnStr"].ToString();
5TJd9:\Af bY#BK_8 : 31. 变量.ToString()
Dy.i^`7\ N" L&Z4Z 字符型转换 转为字符串
l$&~(YE f 12345.ToString("n"); //生成 12,345.00
Os<E7l zqO 12345.ToString("C"); //生成 ¥12,345.00
F6}RPk\=i 12345.ToString("e"); //生成 1.234500e+004
t~(jA9n 12345.ToString("f4"); //生成 12345.0000
p=:Vpg<! 12345.ToString("x"); //生成 3039 (16进制)
ZGZNZ}~# 12345.ToString("p"); //生成 1,234,500.00%
3q73L<f =dPokLXn 32、变量.Substring(参数1,参数2);
Kkp dcc k7iko{5D 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
@e<(o
UE k4iiL<| 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
yU!1q}L! <SCRIPT language="javascript">
G$f%]A1 <!--
^:-GPr function gook(pws)
6C&&="uww {
<kFLwF?PM' frm.submit();
[eD0L71[ }
[XY%<P3D //-->
J-
S.m( ;(?tlFc </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Dsm1@/"i|7 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
] :;x,$k <tr>
K ~mUO <td>
aG]>{(~cL <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
pA*C|g
<input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
w*6b%h%ww <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
74M 9z l$/pp <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
$ztsb V} <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
v\,N"X(, E<\$3G-do </td>
bqED5;d'# nx'c=gp </tr>
O=3/qs6m ~bZ=]i </form>
0cycnOd _H]^7`; 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
KzVi:Hm ^;_~mq. 下面是获取用户输入的登陆信息的代码:
~snj92K string name;
L"&T3i name=Request.QueryString["EmailName"];
Z8v 8@Y _P.I+!w:x try
%C_tBNE< {
LH4A!a] int a=name.IndexOf("@",0,name.Length);
3Cj)upc f_user.Value=name.Substring(0,a);
I&+.I K_ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
w&?XsO@0W f_pass.Value=Request.QueryString["Psw"];
nW)+-Wxq }
/i"hViCrlG &q>8D' catch
e\C-a4[C8P {
dQ8RrD=$& Script.Alert("错误的邮箱!");
U:TkO=/>: Server.Transfer("index.aspx");
{T-\BTh&Q }