1. 打开新的窗口并传送参数:
@:/H)F^x a|-ozBFR 传送参数:
1wy?<B.f response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
O?f?{Jsx 7S{yKS 接收参数:
pS~=T}o string a = Request.QueryString("id");
2AXf'IOqE string b = Request.QueryString("id1");
uC|bC#; %$&_! 2.为按钮添加对话框
ew&"n2r Button1.Attributes.Add("onclick","return confirm(’确认?’)");
cS%;JV>C
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
f~?kx41dq J(5#fo{Q.g 3.删除表格选定记录
T2}X~A int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
6SF29[& string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
y-uSpW S@@#L 4.删除表格记录警告
UE-1p private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
2f5YkmGc"; {
f&I5bPS7} switch(e.Item.ItemType)
iBk1QRdn {
#'5{
?Cb case ListItemType.Item :
VQI[J case ListItemType.AlternatingItem :
(H;,E- case ListItemType.EditItem:
PQrc#dfc| TableCell myTableCell;
8'Iei78Ov myTableCell = e.Item.Cells[14];
O$7r)B6Cs LinkButton myDeleteButton ;
07G'"= myDeleteButton = (LinkButton)myTableCell.Controls[0];
r<[G~n myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
hf:\^w break;
hz+c]K default:
Z=beki] break;
ap<r)<u }
D$Ao-6QE
W bR<XQHl }
fwi
- %-L
T56T 5.点击表格行链接另一页
c6cB
{/g private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
MDoV84Fh {
XZ: 6A]62I //点击表格打开
[ZL<Q if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Y+DVwz$ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Prrz> }
_ZE&W ;!B,P-Z"g 双击表格连接到另一页
bb}Fu/S xk7VuS* 在itemDataBind事件中
\;1nEjIA if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
> .K {
lv#L+}T string OrderItemID =e.item.cells[1].Text;
)
D5JA` ...
3b/J e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
SNC)cq+{ }
:)F0~Q C8O<fwNM
双击表格打开新一页
mM'uRhO+ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
mZ g' {
C6qGCzlG` string OrderItemID =e.item.cells[1].Text;
A+KpECP ...
-ZoAbp$ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
UlPhW~F) }
y;fnC5Q Zd]ua_)I%[ ★特别注意:【?id=】 处不能为 【?id =】
M63t4; 0A 6.表格超连接列传递参数
)O8w'4P5 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
-0+h&CO <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
63VgQ IeAi ' 7.表格点击改变颜色
p:
u@?
k if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
l4YTR4D {
y>c Yw! e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
y
m?uj4I{ this.style.color=’buttontext’;this.style.cursor=’default’;");
drJUfsxV }
usw(]CnH !O4)YM 写在DataGrid的_ItemDataBound里
sY* qf= if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
h#Z~x {
2LS91 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
x,c\q$8yH this.style.color=’buttontext’;this.style.cursor=’default’;");
_opB,,G e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
$49;\pBZl }
7
b{y XdE|7=+s \CBL[X5tr 8.关于日期格式
%>1C($^ 4JL]?75 日期格式设定
UYGO|lkEU DataFormatString="{0:yyyy-MM-dd}"
y24/lc e\}'i- 我觉得应该在itembound事件中
\)cbg#v e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
{6mFI1;q >gDKkeLD 9.获取错误信息并到指定页面
dB8 e @&GY5<&b 不要使用Response.Redirect,而应该使用Server.Transfer
#e[igxwi Jm 1n|f e.g
e"ClG/M_XS // in global.asax
gRwRhA/ protected void Application_Error(Object sender, EventArgs e) {
lr=quWDY if (Server.GetLastError() is HttpUnhandledException)
!Y*O0_ Server.Transfer("MyErrorPage.aspx");
7! ~)a u6
4{w, //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
p+CK+m
}
!gi3J @ d!y_N&z|( 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
{( Ba e!w#{</8Q 10.清空Cookie
i<!1s%i} Cookie.Expires=[DateTime];
T/tC X[} Response.Cookies("UserName").Expires = 0
C#.27ah G4%dah 5 11.自定义异常处理
}x:}9iphF //自定义异常处理类
J!H)[~2/ using System;
Q
822 # using System.Diagnostics;
4{%-r[C9k $Zj3#l:rK namespace MyAppException
@eP(j@(^ {
{m"I-VF /// <summary>
w}?,N /// 从系统异常类ApplicationException继承的应用程序异常处理类。
1~S''[ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
0NXaAf:2Z /// </summary>
'\P+Bu]6& public class AppException:System.ApplicationException
=/19 -Y: {
}ok'd=M public AppException()
[jTZxH< {
)Mh5q&ow if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
{"_V,HmEF+ }
]:Pkh./ 5KW
n >n public AppException(string message)
#yOeL3|b' {
<o@__l. LogEvent(message);
-pQ0,/}K }
y27MG |9mGX9q public AppException(string message,Exception innerException)
33NzQb {
d6A+pa'2 LogEvent(message);
a lyA#zao| if (innerException != null)
@e+qe9A| {
! ~+mf^D LogEvent(innerException.Message);
E :UJ"6 }
>viLvDng }
A6#v6 iT -uB*E1|Q //日志记录类
p e$WSS J using System;
,9W!cD+0 using System.Configuration;
oSH]TL2@Cd using System.Diagnostics;
;e Mb$px using System.IO;
=9A!5 using System.Text;
Xliw(B'\a4 using System.Threading;
Q'rX ]kk_ qcfg 55]'c namespace MyEventLog
*!,k`=.([# {
oMKG M@V /// <summary>
^NrC8,p /// 事件日志记录类,提供事件日志记录支持
&izk$~ /// <remarks>
Zc=#Y /// 定义了4个日志记录方法 (error, warning, info, trace)
^F-AZP
/5F /// </remarks>
Jg@eGs\* /// </summary>
xsg55` public class ApplicationLog
|q 0iX2W {
-9(nsaV /// <summary>
?IR+OCAA /// 将错误信息记录到Win2000/NT事件日志中
D/tFN+|P /// <param name="message">需要记录的文本信息</param>
3MoVIf1 /// </summary>
/%P,y+<}iG public static void WriteError(String message)
\m+;^_;5GW {
"=UhTE WriteLog(TraceLevel.Error, message);
f1I/aR V:+ }
da$ErN'{ _x<7^^VT /// <summary>
KvlLcE~`o /// 将警告信息记录到Win2000/NT事件日志中
!8o;~PPVl /// <param name="message">需要记录的文本信息</param>
V4|l7 /// </summary>
IKnXtydeI} public static void WriteWarning(String message)
qhNYQ/uS {
t8Giv89{ WriteLog(TraceLevel.Warning, message);
3EyVoS6D }
cN|
gaL BSg3 /// <summary>
:BUr8%l /// 将提示信息记录到Win2000/NT事件日志中
'l._00yu /// <param name="message">需要记录的文本信息</param>
_@sSVh$+ /// </summary>
y&2O)z!B public static void WriteInfo(String message)
@*JS[w$1 {
7/FF}d WriteLog(TraceLevel.Info, message);
M1XzA
`* }
+ $/mh /// <summary>
eX o@3/ /// 将跟踪信息记录到Win2000/NT事件日志中
^ ]SU (kY /// <param name="message">需要记录的文本信息</param>
:Q>{Y /// </summary>
ptTp63+ public static void WriteTrace(String message)
b+THn'2 {
:JzJ(q/ WriteLog(TraceLevel.Verbose, message);
$ !:xjb }
#mc6;TRZO =T|m#*{.L /// <summary>
'];=1loD /// 格式化记录到事件日志的文本信息格式
EV N:3 /// <param name="ex">需要格式化的异常对象</param>
01o,9_|FL /// <param name="catchInfo">异常信息标题字符串.</param>
oY7 eVu z /// <retvalue>
LZApz} /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
` MXGEJF /// </retvalue>
vkW]?::Cfd /// </summary>
PYW> public static String FormatException(Exception ex, String catchInfo)
W.
p'T}2 {
Yx<wYzD StringBuilder strBuilder = new StringBuilder();
KJ8Qi+cZ if (catchInfo != String.Empty)
:tBZu%N/N {
/7Ft1f strBuilder.Append(catchInfo).Append("\r\n");
G0v<`/|>} }
TXK82qTdf strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
*gN)a%9 return strBuilder.ToString();
1fU~&?&-u }
4GqE%n+ta~ }B2qtb3 /// <summary>
H?j!f$sw /// 实际事件日志写入方法
\FjY;rqfKe /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
M7SVD[7~HM /// <param name="messageText">要记录的文本.</param>
+U,>D+ /// </summary>
O@? *5 private static void WriteLog(TraceLevel level, String messageText)
"QCVi R {
IT\
x0b cv try
!gFUC<4bu {
2^=.jML[ EventLogEntryType LogEntryType;
6O'6,%# switch (level)
c9R|0Yn^J {
S#^-VZ~U4x case TraceLevel.Error:
L=5Fvm LogEntryType = EventLogEntryType.Error;
nN!R!tJPa break;
xsSX~` case TraceLevel.Warning:
^_pJEX LogEntryType = EventLogEntryType.Warning;
6*=7ifS break;
\o{rw0w0 case TraceLevel.Info:
t'L#8MJ LogEntryType = EventLogEntryType.Information;
wv_<be[?* break;
n ^_B0Rkv case TraceLevel.Verbose:
Z^yhSbE{5 LogEntryType = EventLogEntryType.SuccessAudit;
2q*aq% break;
};@J)} default:
IRl(H_. LogEntryType = EventLogEntryType.SuccessAudit;
+~1~f'4J break;
hXz@ (cF }
4+15` L\(" EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
:Y2J7p[+ //写入事件日志
sn.&|)?Fi eventLog.WriteEntry(messageText, LogEntryType);
L64cCP* X"3Za[9j }
h5.AM?*TNd catch {} //忽略任何异常
]~-vU{ }
,Frdi>7 ~ } //class ApplicationLog
OFcqouGE }
\Yd
0oe82 p) ea1j>N 12.Panel 横向滚动,纵向自动扩展
TkSeDP <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
(k&r^V/= JLH,:2 13.回车转换成Tab
YN 31Lo <script language="javascript" for="document" event="onkeydown">
It3. if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
mY !LGN event.keyCode=9;
<<.%Gk </script>
7__?1n~{ (GI]Uyn onkeydown="if(event.keyCode==13) event.keyCode=9"
Y+'522er gtV*`g 14.DataGrid超级连接列
zCdzxb_h" DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
>gLLr1L\ [W2GLd] 15.DataGrid行随鼠标变色
<tp#KZE private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
u.Z,HsEO b {
@O%d2bgEWV if (e.Item.ItemType!=ListItemType.Header)
;IYH5sG{ {
KK4"H]!. e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
.WT^L2l% e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
kw.IVz< }
mFXkrvOf, }
K7N.gT*4 a5xmIp@6 16.模板列
cPm-)/E)i <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Z-B b,8 <ITEMTEMPLATE>
&b7i> () <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
+Jv*u8T' </ITEMTEMPLATE>
C^ hCT </ASP:TEMPLATECOLUMN>
aR~Od Ys Oe[qfsdW <ASP:TEMPLATECOLUMN headertext="选中">
<OC|z3na_ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
.&Ok53]b <ITEMTEMPLATE>
xRU ~hQ <ASP:CHECKBOX id="chkExport" runat="server" />
duk:: |{F </ITEMTEMPLATE>
KGoHn6jM <EDITITEMTEMPLATE>
t=Um@;wh <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
,t=12R]> </EDITITEMTEMPLATE>
,dO$R.h </ASP:TEMPLATECOLUMN>
81<0B@E Z2x% 后台代码
hpVu
protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
Qo;#}%}^^ {
)Mj
$/ //改变列的选定,实现全选或全不选。
eX@7f!uz CheckBox chkExport ;
J\ V.J/ if( CheckAll.Checked)
3Ta<7tEM {
Cq-#|+zr foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
.6D9m.Q, {
';hTGLq\X chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
oz- k_9% chkExport.Checked = true;
9?_ybO~Oq }
OnKPD=< }
AZTn!hrU else
j |tu|Q {
^,M&PP6 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
&G"r>,HU {
&RP}w%I1 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
j$8i!C chkExport.Checked = false;
q
T pvz }
{UR&Y }
j2/3NF5& }
VF<C#I 6(X5n5C 17.数字格式化
>.-$?2 X;?Z_3I:5 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
*(4TasQu <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Y/1,%8n o-D,K dY int i=123456;
A|esVUo<3^ string s=i.ToString("###,###.00");
9IRvbE~2 _\tGmME37 18.日期格式化
GK/Q]}Q8pZ U8b1
sz 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
3koXM_4_{) 3oCw(Ff 显示为: 2004-8-11 19:44:28
",
:Ta| M:~/e8Xv 我只想要:2004-8-11 】
/<s$Am <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
f @cs<x I:qfB2tL)O 应该如何改?
n6a*|rE 426)H_wx 【格式化日期】
/@H2m\vBX joN}N }U 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Z{w{bf1&A "k${5wk#Fl 【日期的验证表达式】
[?$| Gkr^uXNg# A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
?"aj&,q+ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
iZy`5 L8~nx}UP5 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
O&:0mpRZ ^\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]))$
7Pc0|Z/ w$5N6 【大小写转换】
{xC CUU HttpUtility.HtmlEncode(string);
'ZHu=UT7_ HttpUtility.HtmlDecode(string)
WLAJqmC] Hhbf9) 19.如何设定全局变量
ikGH:{ yMNLsR~ rh Global.asax中
LxGE<xj|V% #c0
dZ Application_Start()事件中
ItTIU J9LS6~
7 添加Application[属性名] = xxx;
I@=h|GM X'&$wQ6,K 就是你的全局变量
TgaDzF,j{A 3"gifE 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
)r2$/QF9 _e.b#{=9 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
(jD..qMs# a .5s5g)8 【ASPNETMENU】点击菜单项弹出新窗口
T2wn!N?r 8j,_ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
f/b }X3K <?xml version="1.0" encoding="GB2312"?>
-?b@ 6U <MenuData ImagesBaseURL="images/">
>EMgP1 <MenuGroup>
1q!JpC^ <MenuItem Label="内参信息" URL="Infomation.aspx" >
c=2e? <MenuGroup ID="BBC">
*x|
<\_+ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
L!L/QG|wdf <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
sQ^>.yG ......
8-5a*vV,> \QUvImT 最好将你的aspnetmenu升级到1.2版
,h2q37 We]X+>BlO 21.读取DataGrid控件TextBox值
~MY(6P foreach(DataGrid dgi in yourDataGrid.Items)
B-[SUmHr {
s\&_Kbw]c TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Q;P ~' tb.Text....
&,Q{l$`X }
fBH&AO$Q skcMGEB 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
R7KQ-+Zb (Df<QC`0v 〖思归〗
bq4H4?j <asp:TemplateColumn HeaderText="数量">
'w%N(N tq <ItemTemplate>
JMOP/]%D <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
7/vr!tbL`p onkeyup="javascript:DoCal()"
?E2k]y6< />
dITnPb)i G
7)D+],{Y <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
v%<_Mh </ItemTemplate>
fC3IxlG </asp:TemplateColumn>
>V(2Ke Y ke>\.|HT} <asp:TemplateColumn HeaderText="单价">
1TQ$(bI <ItemTemplate>
Kc udWW] <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
tL+8nTL onkeyup="javascript:DoCal()"
zs"AYxr />
pOI+ `Ik}Xw <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
73~Mq7~8 }WGi9\9T& </ItemTemplate>
F.8{
H9` </asp:TemplateColumn>
w=e,gNO N0RFPEQ~ <asp:TemplateColumn HeaderText="金额">
F'CUkVC0~P <ItemTemplate>
>2syF{`j <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
f9- |!]s </ItemTemplate>
z% /ww7H </asp:TemplateColumn><script language="javascript">
hqD;<:. function DoCal()
lO $M6l {
*A\NjXJl~ var e = event.srcElement;
SA>;]6)`( var row = e.parentNode.parentNode;
.%wEuqW=0 var txts = row.all.tags("INPUT");
)Qxv9:X if (!txts.length || txts.length < 3)
p>eD{#2 return;
,.`^Wx6F 6 qKIz{; var q = txts[txts.length-3].value;
!v;r3*#Nky var p = txts[txts.length-2].value;
UuT[UB=x5 w78Ius, if (isNaN(q) || isNaN(p))
lIjHd#q-C return;
L7Oytdc< Br~%S?4"o q = parseInt(q);
<M'IRf/D p = parseFloat(p);
9_>4~!x` g[M@ txts[txts.length-1].value = (q * p).toFixed(2);
T4!]^_t^ }
NuO>zAu </script>
<uTsXv 3X!~*_iC $Qy(ed 8]?1gDS|9O W=EO=}l# 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。
UiZ61lw page_load
Gm2rjpZeq page.smartNavigation=true
UdI>x 4bI `u>BtAx8 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 ?
@J<B^_+Se private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
.V.N^8(:a {
dY-a,ch"8p for(int i=0;i<e.Item.Cells.Count-1;i++)
>Au<y,Tw if(e.Item.ItemType==ListItemType.EditType)
>A,WXzAK}S {
3N*Shzusbt e.Item.Cells.Attributes.Add("Width", "80px")
G>RYQ{O }
Ro1' L1: }
^,KR 0 FoG<$9 26.对话框
5nj~RUK private static string ScriptBegin = "<script language=\"JavaScript\">";
b<( W}$x private static string ScriptEnd = "</script>";
zBs7]z!eP W"-nzdAJ5 public static void ConfirmMessageBox(string PageTarget,string Content)
KncoIw {
'j)eqoj string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
D1Sl+NOV 'j3'n0o ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
P~qVr#eU &"kx(B Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
0 j.Sb2 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
]czy8n$+ //Response.Write(strScript);
)[K3p{4 }
ibuI/VDF #]
GM#. 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
U KJY.W!w4 Q]7Q 1.1 取当前年月日时分秒
\fKE~61 currentTime=System.DateTime.Now;
`P5"5N\h .~U9*5d 1.2 取当前年
l46F3C| int 年= DateTime.Now.Year;
IB6]Wj ;?o C=c 1.3 取当前月
Kmnr}Lp9 int 月= DateTime.Now.Month;
K?tk&0 p_AV3 1.4 取当前日
$KKaA{0- int 日= DateTime.Now.Day;
W^N"y& UJH{vjIv 1.5 取当前时
*@&
"MZ/M int 时= DateTime.Now.Hour;
1wgu%$|d `l+SJLyJ% 1.6 取当前分
LX fiSM{o int 分= DateTime.Now.Minute;
Ww(_EW <di_2hN 1.7 取当前秒
~?&ijhZ int 秒= DateTime.Now.Second;
G'py)C5;
flB,_ 1.8 取当前毫秒
\+uqP:Ty int 毫秒= DateTime.Now.Millisecond;
X2uX+}h*tA
[dJ\|= 28.自定义分页代码:
4r. W:}4: 19.cf3Dh 先定义变量 :
vRq xZN public static int pageCount; //总页面数
DsX>xzM public static int curPageIndex=1; //当前页面
ZH(.|NaH 1;P\mff3Y 下一页:
LbR-uc?x if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
WNb$2q= {
RrHnDO' DataGrid1.CurrentPageIndex += 1;
EDo@J2A curPageIndex+=1;
vOK;l0% }
Xu_<4 S2R[vB4). bind(); // DataGrid1数据绑定函数
<n\.S `g1Oon_ 上一页:
@EY}iK~
if(DataGrid1.CurrentPageIndex >0)
QB[s8"S {
I5L7BTe DataGrid1.CurrentPageIndex += 1;
#I?iR3u curPageIndex-=1;
Vi#im`@ }
>>$|,Q-. [tzSr=,Cg bind(); // DataGrid1数据绑定函数
L)}V[j# x5SQ+7 直接页面跳转:
W\,lII0 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
>u)ZT JC"K{V{ if(a<DataGrid1.PageCount)
T]|O/ {
gn"&/M9E this.DataGrid1.CurrentPageIndex=a;
OQ7c|O }
AuTplO0_rE <dL04F bind();
X^Y9T`mQ} pCmJY 29.DataGrid使用:
Fw9``{4w nEm7&Gb 添加删除确认:
:*@|"4 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
*?D2gaCta {
`5-#M/J foreach(DataGridItem di in this.DataGrid1.Items)
FA9e(Ha {
w.aFaR)04 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
{0e{!v {
~It+|X=Kx ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
M:M>@|) }
A{2$hKqHi }
txo?k/w }
s7o*|Xv #`4^zU) 样式交替:
t4@g;U?o ListItemType itemType = e.Item.ItemType;
6\Vu#r j dhml%pAd if (itemType == ListItemType.Item )
f#kevf9zc {
ZYe\"|x,s e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
]zU<=b@ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Sqf.#}u<= }
KN:dm!A else if( itemType == ListItemType.AlternatingItem)
IKDjatn {
F[=lA"F^ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
yl<$yd0Zdu e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
}AW)R&m }
3c ^=<i
% j{R|]SjW2H 添加一个编号列:
|/^aLj^u DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
1vs>2` DLa DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
WlQ=CRY Kw0V4UF for(int i=0;i<dt.Rows.Count;i++)
0~b6wuFl {
e K1m(E.= dt.Rows["number"]=(i+1).ToString();
pE/3-0;}N }
0a6@HwO @Q\$dneY DataGrid1.DataSource=dt;
J+ZdZa}Ob DataGrid1.DataBind();
$lAb6e$n Q(5:~**I DataGrid1中添加一个CheckBox,页面中添加一个全选框
xO<-<sRA private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
0nz@O^*g( {
bC>>^?U1m foreach(DataGridItem thisitem in DataGrid1.Items)
V1nZ M {
$ t# ,'M ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
XjZao<?u }
BMWeD }
jnp6qpY{ %[\x%m) 将当前页面中DataGrid1显示的数据全部删除
Z*(!`,.bB foreach(DataGridItem thisitem in DataGrid1.Items)
_K}_h\e. {
5m USh3 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
^xw [d}0S {
e1^{ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Gx_`|I{P Del (strloginid); //删除函数
x";.gjI |g }
a]Da`$T }
uM)9b*Vbo n+\Cw`'<H 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
1X"H6j[w ICCCCG*[ 在Application_Start中添加以下代码:
QGv:h[b_ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
~q?"w:@;x AppSettings["ConnStr"].ToString();
G'?f!fz; 7cmr
*y 31. 变量.ToString()
5f&{ !N , HI%Xn
字符型转换 转为字符串
ym*#ZE`B! 12345.ToString("n"); //生成 12,345.00
Y0X94k.u 12345.ToString("C"); //生成 ¥12,345.00
W[X!P)=w] 12345.ToString("e"); //生成 1.234500e+004
5?{ >9j5 12345.ToString("f4"); //生成 12345.0000
_l!U[{l*d 12345.ToString("x"); //生成 3039 (16进制)
*o e0= 12345.ToString("p"); //生成 1,234,500.00%
w4fJ`, &PBWJ?@O)r 32、变量.Substring(参数1,参数2);
D*T$ v
wdcryejCkr 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);
h/0-Mrk;e lmtQr5U 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)
z@l!\m- <SCRIPT language="javascript">
K~y9zF{ <!--
TaQ "G function gook(pws)
w
HHF=Q {
QV'3O| frm.submit();
a[P>SqT4` }
F{*9[jY //-->
{uwk[f{z $,&gAU </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
:^-HVT)qF <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
? W2I1HEy <tr>
Avv <td>
nL+YL <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
4&]To@> <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
;sck+FP7w <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
d%_78nOh" Qk~0a?#y5 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
$-fj rQ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
0bPJEEd k$0|^GL8 </td>
$O~F>.* K+7yUF8XP </tr>
,LW(mdIe( s9_`Wrg? </form>
/[nZ#zj!3 cEdz;kbUM 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
*<.WL"Qhl Yn$>QS 4 下面是获取用户输入的登陆信息的代码:
SD|4ybK>d string name;
c5iormb"# name=Request.QueryString["EmailName"];
=Y]'5cn{ qtdxMX]iR try
J]|6l/i {
K.#,O+-Kg` int a=name.IndexOf("@",0,name.Length);
fVA=<: f_user.Value=name.Substring(0,a);
cFI7}#,5 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
^`TKvcgIc f_pass.Value=Request.QueryString["Psw"];
3D$\y~HU }
0+n&BkS' v't6
yud catch
c_-" Qo {
,Y g5X Script.Alert("错误的邮箱!");
DX&lBV Server.Transfer("index.aspx");
zO).<xIq+ }