1. 打开新的窗口并传送参数:
Tv#d>ZSD 4V9BmVS|Th 传送参数:
,hf W2} response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
3[Q7'\ T @^ S:K 接收参数:
<zpxodM@T string a = Request.QueryString("id");
+tk`$g string b = Request.QueryString("id1");
U`[viH>K v{$?Ow T/u 2.为按钮添加对话框
6Gg`ExcT5 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Lv@WI6DM
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
i=/hLE8T* ;%0kzIvP 3.删除表格选定记录
Y-8BL int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
]Sj;\Iz string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
t<dFH}U`w 4Q#{, y944 4.删除表格记录警告
jW7ffb
`O private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
&IXmy-w {
>NPK;Vu switch(e.Item.ItemType)
P$z%:Q {
`}`Q qv case ListItemType.Item :
GH':Yk case ListItemType.AlternatingItem :
q0q-Coh> case ListItemType.EditItem:
<}RD]Sc$1 TableCell myTableCell;
aoz+T h3 myTableCell = e.Item.Cells[14];
R<fF
^^ LinkButton myDeleteButton ;
&~;M16XM,e myDeleteButton = (LinkButton)myTableCell.Controls[0];
-uN{28;@ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
#)n$Q^9& break;
13 h,V]ak default:
,~,q0PA7J break;
!4<D^eh }
Ae=JG8Ht~ '0~?zP }
2
4+ 5h&sdzfG 5.点击表格行链接另一页
CNefk$/cR private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
HWsV_VAw} {
!9WGZfK+0Y //点击表格打开
0M"n if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
C@6:uiT$ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
CYLab5A }
`VKFA<T XZ~kXE;B( 双击表格连接到另一页
U8Zb&6 +7}^Y}( 在itemDataBind事件中
XZb=;tYo if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
tkT,M,]?9 {
X7huc* string OrderItemID =e.item.cells[1].Text;
12z!{k7N ...
JFVx& e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
S(Af o` }
Vml
6\X O hk\P;} 双击表格打开新一页
Q-'j131[ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
PPB/-F]rr {
%-!%n=P string OrderItemID =e.item.cells[1].Text;
@01.Pd ...
.oyAi|| e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
VKDOM0{V }
<#h,_WP* 5_aj]"x ★特别注意:【?id=】 处不能为 【?id =】
`!vqT 3p, 6.表格超连接列传递参数
VGc*aQYa <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
;[}OZt <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
~i"=:D E+lR&~mK= 7.表格点击改变颜色
|O_JUl if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
?Fl}@EA#M {
l&ueD&*4& e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
/P*XB%y this.style.color=’buttontext’;this.style.cursor=’default’;");
v`Jt+?I }
Vc(4d-d5 X[o+Y@bc 写在DataGrid的_ItemDataBound里
tTy !o= if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
u2oS Ci {
+c))fPuV e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
<a"(B*bBd this.style.color=’buttontext’;this.style.cursor=’default’;");
LS[o7 !T( e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
+>#SNZ[ }
1%+-}yo< hI:.Qp`r r'OqG^6JFN 8.关于日期格式
=y][j+WH ['IH*gi 日期格式设定
Hh1_zd| DataFormatString="{0:yyyy-MM-dd}"
[<#jK}g -Q n-w3~& 我觉得应该在itembound事件中
i//H5D3 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
y0d= OT
0c5x 9.获取错误信息并到指定页面
Zk=,`sBC 4aS}b3=n 不要使用Response.Redirect,而应该使用Server.Transfer
(bb!VVA 1p}H,\o e.g
#dZs[R7h // in global.asax
=
wD#H@ h protected void Application_Error(Object sender, EventArgs e) {
7l53&,s if (Server.GetLastError() is HttpUnhandledException)
Uj(0M;#%o+ Server.Transfer("MyErrorPage.aspx");
h^\vk!Q-d zKd@Ab //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
3(WijtH }
aJ+V]WmA v&d1ACctJ 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
t1?aw< 7_I83$p' 10.清空Cookie
nQiZ6[L Cookie.Expires=[DateTime];
"W7|Xp Response.Cookies("UserName").Expires = 0
OS z71;j [J,.?'V 11.自定义异常处理
<8:h%%$? //自定义异常处理类
4CM'I~ using System;
QF>T)1&J[7 using System.Diagnostics;
VhO%4[Jl O%EA,5U. namespace MyAppException
'`2KLO>! {
`;UWq{" /// <summary>
K0.aU /// 从系统异常类ApplicationException继承的应用程序异常处理类。
?\o~P /// 自动将异常内容记录到Windows NT/2000的应用程序日志
lb_N"90p /// </summary>
` g] public class AppException:System.ApplicationException
>bW=oTFz {
WE) *~5 public AppException()
5NhFjPETr {
?h}NL5a if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Jy(G
A }
|N&t ^FLs_=E public AppException(string message)
4LTm&+(5 {
g{'f%bkG LogEvent(message);
'7?Y+R@|L }
QEr<(wM-y .a@12J(I public AppException(string message,Exception innerException)
ng%[yY {
^%7( LogEvent(message);
G[k3` if (innerException != null)
=.3#l@E!C {
P(shbi@ LogEvent(innerException.Message);
c1Ks{%iA }
TE
Z%|5(] }
@62,.\F Pxr/*X //日志记录类
od)TQSo using System;
a}yb~:TC using System.Configuration;
+9Tc.3vQ using System.Diagnostics;
u$d[&|`>_ using System.IO;
-.h)CM@L using System.Text;
5Y *4a%" using System.Threading;
KL_/f PBn7{( x namespace MyEventLog
~[Tcl {
R%jOgZG /// <summary>
@;4;72@O /// 事件日志记录类,提供事件日志记录支持
@vl$[Z| /// <remarks>
0"R>:f} /// 定义了4个日志记录方法 (error, warning, info, trace)
j.&dHtp /// </remarks>
=>
(g_\ /// </summary>
3'z$@;Ev+ public class ApplicationLog
B/4M;G~ {
U6&`s%mIa /// <summary>
*p(_="J, /// 将错误信息记录到Win2000/NT事件日志中
T1d@=&0" /// <param name="message">需要记录的文本信息</param>
p7|I>8ur. /// </summary>
n#P>E(K public static void WriteError(String message)
8Yq06o38C {
MZt#T+b WriteLog(TraceLevel.Error, message);
PLz{EQ[cV }
}h^
fX xrg"/?84 /// <summary>
(,I:m[0 /// 将警告信息记录到Win2000/NT事件日志中
"&={E{pQ /// <param name="message">需要记录的文本信息</param>
1X)#iY /// </summary>
fJ*^4 public static void WriteWarning(String message)
)Eozo4~ {
)]fiyXA
WriteLog(TraceLevel.Warning, message);
l!,tssQ }
(u 7Lh>6% {?yVA /// <summary>
d#T5=5# /// 将提示信息记录到Win2000/NT事件日志中
>>{):r
Z /// <param name="message">需要记录的文本信息</param>
@}q, ';H7 /// </summary>
qArR5OJ public static void WriteInfo(String message)
-- %XkO {
"pDU v^ie WriteLog(TraceLevel.Info, message);
:<aGZ\R5 }
I7U/={[J /// <summary>
^|MS2' /// 将跟踪信息记录到Win2000/NT事件日志中
xo@1((|z /// <param name="message">需要记录的文本信息</param>
r-T1^u /// </summary>
u{4P)DIQ public static void WriteTrace(String message)
e`0C0GaP {
}uDpf0;^ WriteLog(TraceLevel.Verbose, message);
U
'{PpZ }
oZ2:% OmBM)g /// <summary>
[x)T2sA /// 格式化记录到事件日志的文本信息格式
$ #!oejLD /// <param name="ex">需要格式化的异常对象</param>
Z RjM^
d; /// <param name="catchInfo">异常信息标题字符串.</param>
'
wl}) /// <retvalue>
GSRf/::I}4 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
kHX- AsRc /// </retvalue>
GIo&zPx /// </summary>
h{J2CWJ public static String FormatException(Exception ex, String catchInfo)
] 2FS= {
Y'bDEdeT StringBuilder strBuilder = new StringBuilder();
)"A+T& if (catchInfo != String.Empty)
6/s#'#jh {
\|DcWH1 strBuilder.Append(catchInfo).Append("\r\n");
D19uI&U4 }
7qgHH p strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
#\@*C= return strBuilder.ToString();
mWUQF"q8 }
6BLw 4m=h /S\P=lcb /// <summary>
LurBqr /// 实际事件日志写入方法
id&; /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
&`pd&U{S* /// <param name="messageText">要记录的文本.</param>
E7oL{gU
/// </summary>
!4]wb!F private static void WriteLog(TraceLevel level, String messageText)
#{UM4~|: {
JQi)6A?J try
^l7u^j {
2^Q)~sSf9 EventLogEntryType LogEntryType;
f77Jn^Dt switch (level)
9'\18_w {
ZnI_<iFR* case TraceLevel.Error:
^yu0Veypy LogEntryType = EventLogEntryType.Error;
+Q}Y ?([ break;
M7fw/i case TraceLevel.Warning:
DZilK: LogEntryType = EventLogEntryType.Warning;
4}!riWR break;
yFH)PQ_ case TraceLevel.Info:
EUu"H` E+ LogEntryType = EventLogEntryType.Information;
:
JD%=w_ break;
4nXS}bW f case TraceLevel.Verbose:
U<KvKg LogEntryType = EventLogEntryType.SuccessAudit;
Q(T)s break;
pI,QkDJ0 default:
0}PW<lU- LogEntryType = EventLogEntryType.SuccessAudit;
g"FG7E& break;
-s,^_p{H }
B'lWs; o(u&n3Q' EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
5 nkx8JJ //写入事件日志
B ;9^ eventLog.WriteEntry(messageText, LogEntryType);
ltO:./6v m`}!
dBi }
[YpSmEn}Y catch {} //忽略任何异常
+=)<
Su. }
o6'I%Gs } //class ApplicationLog
mawomna }
m$NBG w F@& R"- 12.Panel 横向滚动,纵向自动扩展
"
2Dz5L1v <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
5IOOV Yl ug.mY= n' 13.回车转换成Tab
J{
P<^<m_ <script language="javascript" for="document" event="onkeydown">
|h\e(_G\ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
0k@4;BY u event.keyCode=9;
m$ )yd~ </script>
iKnH6}`?U =;W"Pi;* onkeydown="if(event.keyCode==13) event.keyCode=9"
j&6,%s-M`a ms{:=L2$$ 14.DataGrid超级连接列
wZJpSkcEx DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
&=Gz[1
L : ^F+mQN 15.DataGrid行随鼠标变色
+iz5%Qe<f private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
J;W(}"cFq {
DJ_,1F if (e.Item.ItemType!=ListItemType.Header)
!
@{rkp {
ZR.1SA0x?O e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
HJhPd#xCW e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
F[<EXLQ }
9f+|m9~2 }
>6*"g{/ W$B&asO 16.模板列
bZHuEh2w <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
O$k;p<?M <ITEMTEMPLATE>
|R8=yO%( <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
{hG r`Rh </ITEMTEMPLATE>
XSyCT0f08 </ASP:TEMPLATECOLUMN>
%C\Q{_ AS >ygyPl
;1s <ASP:TEMPLATECOLUMN headertext="选中">
7}OzTup <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
M>D 3NY[, <ITEMTEMPLATE>
7?-eR- <ASP:CHECKBOX id="chkExport" runat="server" />
JZQkr </ITEMTEMPLATE>
SlB,?R2 <EDITITEMTEMPLATE>
]wh8m1 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
9_h3<3e </EDITITEMTEMPLATE>
r=Z#"68$ </ASP:TEMPLATECOLUMN>
C7[ge& X&o!xV -+ 后台代码
C9E l {f protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
8ar2N)59 {
Genk YtS //改变列的选定,实现全选或全不选。
iDt^4=` CheckBox chkExport ;
u
'DM?mV:- if( CheckAll.Checked)
m^rgzx19? {
zm~~mz A foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
J-QQ!qa0 {
6F(yH4 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
4kz8U chkExport.Checked = true;
Xoik%T- }
ag+ML1#) }
MkYem6 else
B!N8 07 {
xH
f9N? foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
bsP; {
mce`1Tjw chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
~fF} chkExport.Checked = false;
r:5Ve&~ }
ke#;1 }
5>@uEebkv] }
4QN;o%, {e%abr_B 17.数字格式化
?iLd5 Z oGVSy`ku 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
i@CMPz-h& <%#Container.DataItem("price","{0:¥#,##0.00}")%>
:ky<`Jfr` /8MQqZ C int i=123456;
uT/B}`md string s=i.ToString("###,###.00");
tvOAN|+F !:<UgbiVv 18.日期格式化
6}T%m?/ } {g- DM}q 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
cXY'>N rH9}nL 显示为: 2004-8-11 19:44:28
E.`dk. @,4%8E5 我只想要:2004-8-11 】
M#cr*% <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
uK:-g,; i5KwYoN 应该如何改?
V*zz-
2_i ]kkBgjQbS 【格式化日期】
PS(j)I3 gww^?j# 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
E)O|16f|> $XQxWH| 【日期的验证表达式】
FMdLkyK; Dum`o^l# A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
!e'0jf-~ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
GD[ou.C}k X^D9)kel B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
s!'A\nVV1$ ^\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]))$
H@MFj>~ =b<<5N s 【大小写转换】
[Hj'nA^ HttpUtility.HtmlEncode(string);
@qPyrgy HttpUtility.HtmlDecode(string)
!
F <] T J`q}Ry; 19.如何设定全局变量
l-S'ATZ0p aGe(vQPi9 Global.asax中
U>_IYT
o? i.v0@!K Application_Start()事件中
So=nB} b[? % R|"Afa= 添加Application[属性名] = xxx;
i.t9jN $}nh[@ 就是你的全局变量
BY*2yp}7 N<06sRg# 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Pc(n@'m~ adI!W-/R: HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
;4G\]%c)E{ #$=8g
RZj 【ASPNETMENU】点击菜单项弹出新窗口
/S]:dDY9K 'cZMRRc< 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
aZj J]~bO <?xml version="1.0" encoding="GB2312"?>
sm;E2BR$
` <MenuData ImagesBaseURL="images/">
VyWYfPK <MenuGroup>
vx!::V7s6 <MenuItem Label="内参信息" URL="Infomation.aspx" >
`z}vONXpAX <MenuGroup ID="BBC">
)@]6=*% <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
Kx- s0cw <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
F#1 Kk#t ......
tL~,ZCQz 7}ws
|4Y 最好将你的aspnetmenu升级到1.2版
>gk z4.* #zS1Zf^KP 21.读取DataGrid控件TextBox值
rGnI( m. foreach(DataGrid dgi in yourDataGrid.Items)
_[OF"X2 {
kmlG3hOR, TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
+M'aWlPg, tb.Text....
]V36-%^ }
)bLGEmm v2hZq-q 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?
-)1-~7
r I@0z/4H`` 〖思归〗
C4QeDvpI <asp:TemplateColumn HeaderText="数量">
d,c8Hs8 <ItemTemplate>
gjj 93 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
.dx
4,|6 onkeyup="javascript:DoCal()"
hv+|s( />
48 W.qzC &5\^f?'b7 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
6'xomRpYN </ItemTemplate>
sl/=g
</asp:TemplateColumn>
XE_ir
Et X E|B)Q( <asp:TemplateColumn HeaderText="单价">
;LCTCt` <ItemTemplate>
q7X}MAW <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
z]kwRWe`j onkeyup="javascript:DoCal()"
OT%0{2c"] />
iI5+P`sE&J *~p(GC <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
*YWk1Cwjo 3&'2aW </ItemTemplate>
Ve{n<{P </asp:TemplateColumn>
hd+]Ok7" UMV)wy|j <asp:TemplateColumn HeaderText="金额">
^ eQFg> <ItemTemplate>
A)tP()+) <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
J/2j;,8D </ItemTemplate>
kv6Cp0uFg </asp:TemplateColumn><script language="javascript">
_V@WNo%B function DoCal()
UuU/c-. {
6{q;1-8j+j var e = event.srcElement;
7kKuZW@K- var row = e.parentNode.parentNode;
57wFf-P var txts = row.all.tags("INPUT");
C{EAmv' if (!txts.length || txts.length < 3)
RK[D_SmS return;
nq"evD5 qve
./ var q = txts[txts.length-3].value;
'JieIKu var p = txts[txts.length-2].value;
? B@E!/f bLzs?eos if (isNaN(q) || isNaN(p))
Z(j{F<\jS return;
-KH)J bB!#:j>(v q = parseInt(q);
~@T<gA9V p = parseFloat(p);
q2hFOm <a4TO8 txts[txts.length-1].value = (q * p).toFixed(2);
}pVTTs` }
Y34/+Fi </script>
7tNc=,x} !v|FT.
T` )"Q*G/+2Ie fmfTSN(Q~` 9i5tVOhE 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。
>@_im6 page_load
*)<B0SjT page.smartNavigation=true
l.`u5D ?-MP_9!JK 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 ?
+uo{ m~_4 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
:`\)
P, {
:Zt2'vcGpf for(int i=0;i<e.Item.Cells.Count-1;i++)
Ej=3/RBsV if(e.Item.ItemType==ListItemType.EditType)
MZV_5i@: {
,E;;wdIt e.Item.Cells.Attributes.Add("Width", "80px")
J@_ctGv }
IvHh4DU3Z }
POAw M JTU#vq:TY 26.对话框
~1
~Xfo> private static string ScriptBegin = "<script language=\"JavaScript\">";
cc}Key@D private static string ScriptEnd = "</script>";
JhHWu< (xl\J/ public static void ConfirmMessageBox(string PageTarget,string Content)
UlcH%pxTt1 {
}|\d+V2On string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
(#D*Pl Vw tZLP36 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
5%zXAQD=< D&G"BZx| Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
aE"[5*a ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
7F^#o-@=J //Response.Write(strScript);
6e,xDr }
WWKvh 5U`ZbG 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
q:\g^_!OGA `B/0i A 1.1 取当前年月日时分秒
.Jx9bIw currentTime=System.DateTime.Now;
[XVEBA4GI );V2?G`/ 1.2 取当前年
B* kcNlW int 年= DateTime.Now.Year;
VhL{'w7f =Prb'8 W 1.3 取当前月
~2u\ int 月= DateTime.Now.Month;
c-j_IN Gm nU`Lhh8y 1.4 取当前日
SK$Vk[c] int 日= DateTime.Now.Day;
fRTo.u [&Hkn5yq 1.5 取当前时
{F|48P;J int 时= DateTime.Now.Hour;
+ E"[ )R{UXk3q} 1.6 取当前分
dPjhq(8 zU int 分= DateTime.Now.Minute;
6g>)6ux>aV 0"[`>K~7a8 1.7 取当前秒
!NKmx=I] int 秒= DateTime.Now.Second;
NHX>2-b `#IcxweA 1.8 取当前毫秒
> 7`&0? int 毫秒= DateTime.Now.Millisecond;
o07IcIo U/qE4u1J6M 28.自定义分页代码:
3}&ZOO @kD8^,( oH 先定义变量 :
f3WSa&eF public static int pageCount; //总页面数
k5+]SG`]] public static int curPageIndex=1; //当前页面
|kiJ}oy l54|Q 下一页:
1K|@h&@ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
6!EYrX}rI[ {
`{FwTZ=6{ DataGrid1.CurrentPageIndex += 1;
e9u@`ZC07 curPageIndex+=1;
0o&}mKe }
L*]E`Xxd9 4f1D*id*`# bind(); // DataGrid1数据绑定函数
Y9}8M27vQG rPq<Xb\ 上一页:
sM\&.<B if(DataGrid1.CurrentPageIndex >0)
I^Qx/uTKw {
,&a`d}g&G DataGrid1.CurrentPageIndex += 1;
|#5 e|z5( curPageIndex-=1;
QV,E#(\5 }
Gm=>!.p {^RG%
&S bind(); // DataGrid1数据绑定函数
{sS_|sX xDrV5bg 直接页面跳转:
VfSGCe int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
>BqCkyM9Kf ~LE[,
I:q if(a<DataGrid1.PageCount)
j.c8}r& {
P%o44|[][ this.DataGrid1.CurrentPageIndex=a;
4'At.<]jL }
T+TF-] J .1ddv4Hk bind();
B7"Fp k0&lu B% 29.DataGrid使用:
B3L4F" ]O@"\_} 添加删除确认:
I($,9|9F private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
.S vyj {
E#h~V5Tf foreach(DataGridItem di in this.DataGrid1.Items)
Lbq_~ {
R#6H'TVE if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
anx&Xj|=.F {
1~qm+nET\ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
^HFo3V
}h }
1KJZWZy }
%aLCH\e }
T7GQ^WnA 7s]Wq6 样式交替:
w4OW4J# ListItemType itemType = e.Item.ItemType;
)<LI%dQ:'l Nu.
(viQ} if (itemType == ListItemType.Item )
<P pYl {
1jOKcm'# e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Dm4B e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
T 'i~_R6 }
] piM/v\ else if( itemType == ListItemType.AlternatingItem)
RO(iHR3cA {
/Su)|[/' e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
>r:X~XnRUj e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
5byeWH0n3 }
fIEw(k<* A5+5J_)* 添加一个编号列:
C*j9Iaj DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
"8_,tYAH DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
`G0*l|m> a8NVLD>7} for(int i=0;i<dt.Rows.Count;i++)
1*#bfeoM {
9mm2V ps; dt.Rows["number"]=(i+1).ToString();
^cb)f_90 }
YME[%c2x CjmV+%b4 DataGrid1.DataSource=dt;
- XLo0 DataGrid1.DataBind();
:B+Rg cqi kyK' DataGrid1中添加一个CheckBox,页面中添加一个全选框
rkq)&l=ny private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
vh{9'vd3el {
cLHF9B5 foreach(DataGridItem thisitem in DataGrid1.Items)
;fkSrdj {
kJ:5msKwC ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
,}xC) > }
xuC6EK+ }
\VzQ1B>k =:T:9Y_ i 将当前页面中DataGrid1显示的数据全部删除
:zTj"P>"I foreach(DataGridItem thisitem in DataGrid1.Items)
+/^q"/f F {
9#ay(g if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
!{- 3:N7 {
S %%qn string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
{:!SH6 ff Del (strloginid); //删除函数
ry=[:\Z~ }
`>HthK }
]7ZC>.t
?q8g<-? 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)
A^jm<~ _J#Hq 'K 在Application_Start中添加以下代码:
5 BG&r*U Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
I(eR3d: AppSettings["ConnStr"].ToString();
*^m.V= h!3Z%M 31. 变量.ToString()
S`PSFetC cnO4NUDv 字符型转换 转为字符串
^,r;/c9A8 12345.ToString("n"); //生成 12,345.00
p_y*-,W
( 12345.ToString("C"); //生成 ¥12,345.00
D%}o26K.C 12345.ToString("e"); //生成 1.234500e+004
c8 fb)`,k 12345.ToString("f4"); //生成 12345.0000
~w%+y 12345.ToString("x"); //生成 3039 (16进制)
W_lNvzag 12345.ToString("p"); //生成 1,234,500.00%
gI$`d?[0{ k0=y_7
=(5 32、变量.Substring(参数1,参数2);
VZl0)YLK 3W00,f^9 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);
Icb;Yzt H`..)zL| 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)
M0\[hps~X <SCRIPT language="javascript">
$G.|5sEk <!--
KAaeaiD function gook(pws)
~d8o,.n`1 {
1e%Xyqb frm.submit();
UeTp, }
a,\u|T:g //-->
dXN&<Q, WWzns[$f </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
f4^_FK& <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
5,fzB~$TX( <tr>
q&x#S_! <td>
<\
c8q3N <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
a_j#l(] 9 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
?NeB_<dLa` <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
msJn;(Pn b8Sl3F?-~ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
dRC+|^rSC <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
x=+H@YO\ J]e&z5c </td>
^4i3 #} )HcC\[ </tr>
p `Z7VG ^|z>NV5> </form>
efm<bJB2 1Zzw|@#>o 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。
G3n7x?4m ggWfk 下面是获取用户输入的登陆信息的代码:
F[Up string name;
%hh8\5l.: name=Request.QueryString["EmailName"];
DO;
2)ZQ% 9wzYDKN} try
irS62Xe {
j=LF1dG" int a=name.IndexOf("@",0,name.Length);
n9yxZu f_user.Value=name.Substring(0,a);
.Dz /MSl f_domain.Value=name.Substring(a+1,name.Length-(a+1));
YFY)Z7fK f_pass.Value=Request.QueryString["Psw"];
Ek6W:Q:@ }
N:.bnF( C_/oORvK catch
jXQ_7 {
*G4; Script.Alert("错误的邮箱!");
Uw!v=n3#! Server.Transfer("index.aspx");
fyeS) }