1. 打开新的窗口并传送参数:
|0b$60m$!t YL;ZZ2A 传送参数:
)Mi#{5z response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
VjMd&>G fFqK.^Tn 接收参数:
.]k(7F!W string a = Request.QueryString("id");
%Jq(,u string b = Request.QueryString("id1");
bsR^H5O@ *J 7>6N:- 2.为按钮添加对话框
s^AQJ{X Button1.Attributes.Add("onclick","return confirm(’确认?’)");
%$:js4 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
tPDV"Md#m< !Z<GUblt 3.删除表格选定记录
'N,x=1R5 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
)tz8(S string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
i5(_.1X<#{ t8U)za 4.删除表格记录警告
TEE$1RxV( private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
E"x 2 jP {
Njc3X@4= switch(e.Item.ItemType)
YM1tP'4j@ {
aCM F[
3j case ListItemType.Item :
=3a`NO5! case ListItemType.AlternatingItem :
H)
m!)=\' case ListItemType.EditItem:
nR!qolh TableCell myTableCell;
)
ok_"wB myTableCell = e.Item.Cells[14];
s><RL]+{G+ LinkButton myDeleteButton ;
+7sdQCO(Co myDeleteButton = (LinkButton)myTableCell.Controls[0];
&julw;E myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
~5:]Oux break;
h7~&rWb default:
IgptiZ7~! break;
Wa2V Z }
w44{~[0d4 E IsA2 f }
pE^L Qi aS'G&(_ 5.点击表格行链接另一页
DJr 8<u private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
"P&|e|7 {
#Ru+|KL //点击表格打开
nm*1JA.: if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
v )%EG e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
6:330"9 }
nC_<pq^tr HqcXP2 双击表格连接到另一页
TJ?}5h5 e@L+z 在itemDataBind事件中
Mf%/t HK if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
`5O<U~'d {
R+]Fh4t string OrderItemID =e.item.cells[1].Text;
QbV)+7II= ...
j<"0ym)A e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
'/z.\ S }
O<L/m[] TG{=~2
双击表格打开新一页
Tk|0
scjE^ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{|%5}\% {
[|ky~sRr string OrderItemID =e.item.cells[1].Text;
'=\]4?S ...
tN3Xn] e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
iBV*GW }
qAivsYN* .NQoqXR ★特别注意:【?id=】 处不能为 【?id =】
v;JY;Uh|
6.表格超连接列传递参数
m-, ' <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
tE(x8>5A: <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
E 7;KG^ :}+U?8/"7 7.表格点击改变颜色
31w?bx !Pp if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
yc_(L-'n {
%/1`"M5ko e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
K4,VSy1byI this.style.color=’buttontext’;this.style.cursor=’default’;");
i:qc2#O:J }
0}Kl47}aD p KKn 写在DataGrid的_ItemDataBound里
[9[tn- if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|pq z(j7 {
_^#PV} e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
T_5 E this.style.color=’buttontext’;this.style.cursor=’default’;");
WuSRA<{P e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
o1GWcxu*\ }
}{=%j~V;& Vn=J$Uv0 qW;nWfkYC 8.关于日期格式
)Qw|)='- ln3x1^! 日期格式设定
I".d>]16| DataFormatString="{0:yyyy-MM-dd}"
0t/ S_Q 0:v7X)St 我觉得应该在itembound事件中
P:ys--$" e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
T/-PSfbkj o"7,CQye 9.获取错误信息并到指定页面
:3Ty%W&& {D1=TTr^ 不要使用Response.Redirect,而应该使用Server.Transfer
B 8C3LP}? bnB}VRal e.g
b[e+(X // in global.asax
!%T@DT=l& protected void Application_Error(Object sender, EventArgs e) {
~4XJ" d3L if (Server.GetLastError() is HttpUnhandledException)
/5U?4l(6[f Server.Transfer("MyErrorPage.aspx");
/3FC@?l
w4 5IVASqYp //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
r[EN`AxDb }
sJ3HH0e _.?$~;7 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
kIU"-;5tP B7?784{x, 10.清空Cookie
V9B $_j4 Cookie.Expires=[DateTime];
6l:CDPhR Response.Cookies("UserName").Expires = 0
M?)>,
!Z) vJl4.nk 11.自定义异常处理
wQPjo!FEX //自定义异常处理类
[#lPT'l using System;
Qnr' KbK using System.Diagnostics;
8Vl!&j0s^ N@tzYD|hA namespace MyAppException
/vsQ <t;~ {
J*a`qU
/// <summary>
M={k4r_t /// 从系统异常类ApplicationException继承的应用程序异常处理类。
<:RU, /// 自动将异常内容记录到Windows NT/2000的应用程序日志
NFmB ^@k /// </summary>
]=@>;yP) public class AppException:System.ApplicationException
0sV;TQt+f {
XImb"7| public AppException()
xQWZk`6~L {
`4\ H'p if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
z Lf^O%zN }
oE-i`;\8 9FcCq*D public AppException(string message)
,lL0'$k~ {
%S$P+B? LogEvent(message);
Nl;rg*@o }
DX4
95<6* OM}:1He public AppException(string message,Exception innerException)
xV<NeU {
:t\PYDp1 LogEvent(message);
J]fjg%C2m if (innerException != null)
O2 3f\pm& {
I#uJdV|x LogEvent(innerException.Message);
QVzLf+R~ }
7Py8! }
)ae/+Q8 R6{%o:{ //日志记录类
;I5HMc_a" using System;
Dc #iM0 using System.Configuration;
ZVK;m1?' using System.Diagnostics;
Er~5\9,/<] using System.IO;
CO4*"~']t using System.Text;
j&Z:|WniK using System.Threading;
i>b^n+74>
k"GW3E; namespace MyEventLog
)WKe,:C {
If]g6
B.= /// <summary>
|}'}TYX0: /// 事件日志记录类,提供事件日志记录支持
{,P&05iSi /// <remarks>
i~ zL,/O8 /// 定义了4个日志记录方法 (error, warning, info, trace)
QsI$4:yl /// </remarks>
+de.!oY /// </summary>
#_|b;cf public class ApplicationLog
,+zLFQC0@ {
ZFz>" vt@ /// <summary>
Bv3?WW /// 将错误信息记录到Win2000/NT事件日志中
NpH)K:$#% /// <param name="message">需要记录的文本信息</param>
QFDjsd4
/// </summary>
*$(9,y\ public static void WriteError(String message)
4v E,nx= {
D/@:wY WriteLog(TraceLevel.Error, message);
IE'OK }
)oHIRsr Q0ev*MS9Z /// <summary>
HYW+,ts' /// 将警告信息记录到Win2000/NT事件日志中
1Voo($q. /// <param name="message">需要记录的文本信息</param>
]2K>#sn-] /// </summary>
`,\WhJ?9 public static void WriteWarning(String message)
p]=8=pE< {
9dy"Y~c WriteLog(TraceLevel.Warning, message);
|l7e*$j }
)h>Cp,|{ [x-Z)Q.5 /// <summary>
-$[=AqJXp; /// 将提示信息记录到Win2000/NT事件日志中
"+saI@G /// <param name="message">需要记录的文本信息</param>
.o.@cLdU /// </summary>
jf .ikxm public static void WriteInfo(String message)
D@O'8 {
8l;0)`PU WriteLog(TraceLevel.Info, message);
{7B$%G' }
OO53U=NU /// <summary>
gt{ei)2b /// 将跟踪信息记录到Win2000/NT事件日志中
TZ-n)rC)v /// <param name="message">需要记录的文本信息</param>
B\Rq0N]' M /// </summary>
]'2p"A0U public static void WriteTrace(String message)
.+{nfmc,c {
v2rX uo WriteLog(TraceLevel.Verbose, message);
<f{m=Dc }
w;r -TLf ?ew^%1!W. /// <summary>
f,`FbT /// 格式化记录到事件日志的文本信息格式
3cQTl5, /// <param name="ex">需要格式化的异常对象</param>
CaZEU(i /// <param name="catchInfo">异常信息标题字符串.</param>
C+-~Gmrb(7 /// <retvalue>
H-7*)D /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
lE=Q(QUr /// </retvalue>
v_)cp9d] /// </summary>
6mMJ$FY+ public static String FormatException(Exception ex, String catchInfo)
&e3z)h {
oaRPYgh4 StringBuilder strBuilder = new StringBuilder();
KJcdX9x if (catchInfo != String.Empty)
B'atwgI0 {
9r\8 !R strBuilder.Append(catchInfo).Append("\r\n");
P#rwYPww\ }
q0DoR@ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
w?<:` return strBuilder.ToString();
&AOw(?2 }
P%B1dRa r`wL_>"{n /// <summary>
5\EHu8 /// 实际事件日志写入方法
'HW(RC0dR /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
e`#Gq0}8 /// <param name="messageText">要记录的文本.</param>
nV"[WngN /// </summary>
5
BcuLRId: private static void WriteLog(TraceLevel level, String messageText)
fIWQ+E {
%>5Ht e< try
P]r"E {
zXUE<\ EventLogEntryType LogEntryType;
*b7HtUA switch (level)
#BlH)Cv {
@YWfq$23 case TraceLevel.Error:
otX#}} + LogEntryType = EventLogEntryType.Error;
&v3r#$Hj[
break;
988aF/c case TraceLevel.Warning:
D1#E&4 LogEntryType = EventLogEntryType.Warning;
((;9%F:/$ break;
--",}%- case TraceLevel.Info:
CcAsJX~_ LogEntryType = EventLogEntryType.Information;
v+G}n\F break;
a[ Txd=b case TraceLevel.Verbose:
dA\>z[n= LogEntryType = EventLogEntryType.SuccessAudit;
rYN`u break;
k_O"bsI) default:
j(Q$frI LogEntryType = EventLogEntryType.SuccessAudit;
?uQ|?rk break;
.$v]Bxu }
:Q$3P+6 a ~LYKt0/W& EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
|(XV '-~ //写入事件日志
fa5($jJ& eventLog.WriteEntry(messageText, LogEntryType);
hO{@!H$l )@SIFE }
?_n.B=H`8 catch {} //忽略任何异常
},[S 9I`p }
uvD6uIW< } //class ApplicationLog
%,~; w0 }
G.B^C)guu $.V(_
12.Panel 横向滚动,纵向自动扩展
as
o8 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
LFGu|]( ,,BNUj/: 13.回车转换成Tab
lh?mN3-* <script language="javascript" for="document" event="onkeydown">
0FTiTrTn if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
y~ ^>my7G event.keyCode=9;
V~e1CZ(2X </script>
0#Rj[J;kh -uO< ] onkeydown="if(event.keyCode==13) event.keyCode=9"
rhNdXYY> K=`*cSU> 14.DataGrid超级连接列
b'vJPv~hI DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Nmi#$K[x }1;Ie0l=_e 15.DataGrid行随鼠标变色
#)cRD#0 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Im6ymaf9 {
HT1bsY
0t if (e.Item.ItemType!=ListItemType.Header)
U@Aq@d+n {
\hNMTj#O e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
=Eef e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
u!L8Sv }
PO)5L }
`yuD/-j F<IqKgGzH 16.模板列
]V.9jlXF <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
m{+lG* <ITEMTEMPLATE>
ax7 M <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Z.<1,EKi= </ITEMTEMPLATE>
z^B!-FcIz> </ASP:TEMPLATECOLUMN>
TvI}yaCu/x )](8{}wo <ASP:TEMPLATECOLUMN headertext="选中">
O@E&lP6 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
i1aS2gFi_ <ITEMTEMPLATE>
}zLe;1Tx <ASP:CHECKBOX id="chkExport" runat="server" />
hih`: y </ITEMTEMPLATE>
GIZNHG <EDITITEMTEMPLATE>
/hI#6k8o_ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
P?]q*KViM </EDITITEMTEMPLATE>
:I<%.|8 </ASP:TEMPLATECOLUMN>
8eOQRC33 *bv
Iqa 后台代码
L/<Up protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
m^]/
/j {
f<kL}B+,Og //改变列的选定,实现全选或全不选。
<;U"D.' CheckBox chkExport ;
cpE&Fba}" if( CheckAll.Checked)
wQ[2yq {
!lu$WJ{M foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Tb{,WUJg2 {
UbQeN chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
WWE?U-o chkExport.Checked = true;
vO4
&ZQ>6 }
kO2im+y }
WQ"ZQ else
#NL1N_B {
zROyG foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
#axRg=d?K {
{bc<0 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
.v;2Q7X chkExport.Checked = false;
DB>>U>H- }
eh)J'G]G }
VK`b'U&l" }
sBSBDjk[ =1+I<Ljk 17.数字格式化
]]`+aF0 D 3Int0n 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
1/1P;8F@G <%#Container.DataItem("price","{0:¥#,##0.00}")%>
-,4_ &V *r9I
1W int i=123456;
\nxt\KD string s=i.ToString("###,###.00");
typ*.j[q %o{vD&7\ 18.日期格式化
\
2".Kb@= (iWNvVGS 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
W:EXL@
gB~SCl54 显示为: 2004-8-11 19:44:28
OpH9sBnA W%1fm/G0 我只想要:2004-8-11 】
d,D)>Y'h <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Wg}#{[4 eMh:T@SN 应该如何改?
c wpDad[Kx 5~.\rcr% 【格式化日期】
?58pkg J CQtd%'rt6 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
9sT?"(= Wa[~)A 【日期的验证表达式】
SXod r}
+9h6{&yr1 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
,][+:fvS ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
GXHk{G@TS &Rn/c}[{ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
I [e7Up ^\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]))$
8n&" ,)U EkTen:{G 【大小写转换】
P, S9gG9 HttpUtility.HtmlEncode(string);
4AF"+L HttpUtility.HtmlDecode(string)
f-{[ushj IndNR:"g 19.如何设定全局变量
EO|
kiC `_v-Y`Z Global.asax中
S?8q.59 H!45w;,I Application_Start()事件中
~$Mp >ZB2W y*7ht{B 添加Application[属性名] = xxx;
:fj}J)9'xW ;
9'*w=V 就是你的全局变量
UT^t7MY#O 3'.OghI 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
hw1ZTD:Y jN*A"m HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
zBjqYqZ<+ o[cKh7&+ 【ASPNETMENU】点击菜单项弹出新窗口
-rH3rKtf~ p>!r[v' 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
a.]
! <?xml version="1.0" encoding="GB2312"?>
Z;n}*^U <MenuData ImagesBaseURL="images/">
-<s?`Rnk <MenuGroup>
T`W FY <MenuItem Label="内参信息" URL="Infomation.aspx" >
pH"LZ7)DI0 <MenuGroup ID="BBC">
qKSM*k~ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
r!x^P=f,MJ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
sxsM%Gb?H ......
5`z{A ,cm2uY 最好将你的aspnetmenu升级到1.2版
W)9KYI9u {) .=G 21.读取DataGrid控件TextBox值
PD/~@OsxU foreach(DataGrid dgi in yourDataGrid.Items)
I&(cdKY
z {
_nTjCN625 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
H%sQVE7m tb.Text....
^lQ-w|7( }
[tBIABr tDi=T]-bt 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
%9zcc)cP ]X-ZRmB` 〖思归〗
NGxii$F <asp:TemplateColumn HeaderText="数量">
IH:Hfv <ItemTemplate>
AN.` tv <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
2ag]p onkeyup="javascript:DoCal()"
c}{e,t />
VKs$J)6 UW>~C <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
tSOF7N/< </ItemTemplate>
uZQ)A,#n; </asp:TemplateColumn>
1-qQp.Wj WQ*$y3% <asp:TemplateColumn HeaderText="单价">
`9wz:s QtP <ItemTemplate>
MWB uMF <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
}$UuYO/i onkeyup="javascript:DoCal()"
<4!w2vxG />
@FbzKHdV/ ]T*{M <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
m|-O/6~ %ZQl.''ISa </ItemTemplate>
gbInSp`4 </asp:TemplateColumn>
Qe4 RCmPZ <asp:TemplateColumn HeaderText="金额">
D<rjxP <ItemTemplate>
]&9f:5', <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Z
v~
A9bB </ItemTemplate>
q,*IR*B:a </asp:TemplateColumn><script language="javascript">
-J[D:P.Z function DoCal()
a.Mp1W {
G;^iwxzhO var e = event.srcElement;
Cu`ZgKLQ var row = e.parentNode.parentNode;
c~tkY!c var txts = row.all.tags("INPUT");
Z4(2&t^ if (!txts.length || txts.length < 3)
nrf%/L return;
=LT( {8 F*NIs:3; var q = txts[txts.length-3].value;
Dgkt-:S/T| var p = txts[txts.length-2].value;
P,v}Au( UI _QErQ^` if (isNaN(q) || isNaN(p))
R
UX return;
[@\f 0R OsK=% aDpj q = parseInt(q);
h`vM+,I p = parseFloat(p);
*wSl~J|ZM% @*_K#3 txts[txts.length-1].value = (q * p).toFixed(2);
g`Rs; }
Xpa;F$VI </script>
,O-lDzcw n;q7?KW8 `V?{ pa\]@;P1 $>BP}V33 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。
qt1#P page_load
L@2H>Lh35 page.smartNavigation=true
zcNV<tx \J13rL{< 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 ?
Q2NS> [ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
>^jm7}+hb {
:7`,dyIqT for(int i=0;i<e.Item.Cells.Count-1;i++)
Onc!5L if(e.Item.ItemType==ListItemType.EditType)
G!Uq#l> {
s/T5aJR e.Item.Cells.Attributes.Add("Width", "80px")
Dnp^yqz* }
huQ1A0(no }
pH*L8tT
O{dx+f 26.对话框
2N]y)S_<V private static string ScriptBegin = "<script language=\"JavaScript\">";
<<`."RY#0 private static string ScriptEnd = "</script>";
RSnK`N\9jb /stED{j, public static void ConfirmMessageBox(string PageTarget,string Content)
<e=0J8V8,i {
wWm#[f],? string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
vx
,yz+yP $]T7Iwk ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
5(F!*6i> kPxEGuL' Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
7v?Ygtv ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
2GD%=rP2] //Response.Write(strScript);
J[B8sa }
PCU6E9~t2 *".7O*jjV 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
59ivL6=3 *U]f6Q<X 1.1 取当前年月日时分秒
'Wi*[ currentTime=System.DateTime.Now;
xp39TiXJ* 0qTa @y 1.2 取当前年
'Gc6ZSLM int 年= DateTime.Now.Year;
~bwFQYY= 8=SNLO 1.3 取当前月
Xr~r`bR= int 月= DateTime.Now.Month;
o2.!
G fkI<RgM 1.4 取当前日
Zkz:h7GUG- int 日= DateTime.Now.Day;
@&~BGh mDq01fU4 1.5 取当前时
tL3(( W" int 时= DateTime.Now.Hour;
U "}Kth Z$pR_dazU 1.6 取当前分
-kJF@w6u int 分= DateTime.Now.Minute;
[mwfgh&4% p1&d@PF&& 1.7 取当前秒
"~Eo=R0O int 秒= DateTime.Now.Second;
|[: `izW }8FP5Z'Cf% 1.8 取当前毫秒
xCQ<G{;C int 毫秒= DateTime.Now.Millisecond;
?ph"|LyL MKH7d/x 28.自定义分页代码:
' 1mygplW &?9.Y, 先定义变量 :
@9L%`=]b^ public static int pageCount; //总页面数
WL7:22nSHa public static int curPageIndex=1; //当前页面
Jne)?Gt p*N+B
o 下一页:
q)%C| if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
/TB_4{ {
:4;>). DataGrid1.CurrentPageIndex += 1;
g3qtWS curPageIndex+=1;
f{+8]VA }
$Qm;F%
> 10DS bind(); // DataGrid1数据绑定函数
%d=-<EQ|& `P GWu1/ 上一页:
(V+(\<M if(DataGrid1.CurrentPageIndex >0)
w
S;(u[W {
|{_%YM($ DataGrid1.CurrentPageIndex += 1;
5]F9o9]T curPageIndex-=1;
?hwQY} }
Cf+O7Y`^ q| j;dI& bind(); // DataGrid1数据绑定函数
@!F9}n
AP 7N""w5 直接页面跳转:
NeWssSje int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
@ce4sSo 0W>O,%z&P# if(a<DataGrid1.PageCount)
k"n#4o: {
\t1vYIY]T this.DataGrid1.CurrentPageIndex=a;
Ig6s'^ }
Ge
@d" U}
g%`< bind();
bLUn0)c hMD yE.X- 29.DataGrid使用:
D_8hn3FH Jv7M[SJ#x 添加删除确认:
|Rl|Th private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
u!X2ju< {
mq
"p"iI foreach(DataGridItem di in this.DataGrid1.Items)
1.>`h: {
P]y5E9 k if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
V*/))n? {
k%LE"Q ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
?r@ZTuq# }
mhs%b4'> }
N*z<VZ }
"=RB
# p3Gj=G 样式交替:
L,:U _\HQ ListItemType itemType = e.Item.ItemType;
*yJb4uALB g VuN a) if (itemType == ListItemType.Item )
=CJs&Qa2 {
|, :(3Ml e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Dp'/uCW) e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
)zt5`"/o }
aNwDMd^+ else if( itemType == ListItemType.AlternatingItem)
$iB(N ZV {
q&wMp{ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
5jV]{ZV# e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
?/u&U\P }
xr=f9?%R ;3-ssF}k* 添加一个编号列:
TLkkB09fvk DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
.Kv@p jOr DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
%?cPqRHJ ~ im?nR+t+X for(int i=0;i<dt.Rows.Count;i++)
;Joo!CXHO {
n|F`6.G dt.Rows["number"]=(i+1).ToString();
"q%)we }
h(zi$V "y`?KY$[N DataGrid1.DataSource=dt;
tF'67,~W DataGrid1.DataBind();
xNONf4I:6J 6tzn% ? DataGrid1中添加一个CheckBox,页面中添加一个全选框
>Te{a*`"m: private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
7eO8cPy {
I?:V EN: foreach(DataGridItem thisitem in DataGrid1.Items)
|;].~7^ {
Lf,gS*Tg? ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
fY `A }
6v1j*' }
FX'W%_f, Nn^el'S' 将当前页面中DataGrid1显示的数据全部删除
PF+`3 foreach(DataGridItem thisitem in DataGrid1.Items)
q8p 'bibY {
FqiK}K.~/ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
<9Chkb|B {
Ne4A string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
^.4<#Qs Del (strloginid); //删除函数
>s>5k
O }
dp?uq' }
]f\rB8k|& o 1b#q/ 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
{<i!Pm }Jc^p 在Application_Start中添加以下代码:
CUtk4;^y# Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
?,!qh AppSettings["ConnStr"].ToString();
)Qo6bei! QR#,n@fE 31. 变量.ToString()
(kSkbwu EUNG&U 字符型转换 转为字符串
9fV 57 12345.ToString("n"); //生成 12,345.00
N0XGW_f 12345.ToString("C"); //生成 ¥12,345.00
XR+2|o 12345.ToString("e"); //生成 1.234500e+004
9*x9sfCv9 12345.ToString("f4"); //生成 12345.0000
57#:GN$EL 12345.ToString("x"); //生成 3039 (16进制)
X$xqu\t7 12345.ToString("p"); //生成 1,234,500.00%
"47nc1T+n 8=?I/9Xh 32、变量.Substring(参数1,参数2);
-8TLnl~[ Di L@NU!$q 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);
@tP,l$O& }{ P}P} 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Rw7Q[I5z% <SCRIPT language="javascript">
w?R6$n` <!--
4f1*?HX& function gook(pws)
!nd*U}q {
2vur_`cV frm.submit();
oi!E
v_h }
1]qhQd-u //-->
C{,nDa?| "44X'G8N </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
OU[Sm7B <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
c2y5[L7? <tr>
4v{gc/g <td>
dW=]|t& <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
%>s y`c <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
]02V,'x <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
HH]LvK 5-sxTp <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
\;sUJr"$ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
)i?wBxq'MA ?$gEX@5h </td>
y@(U6ZOyx +yYz ;, \ </tr>
Lkb?,j5 N_T;&wibO </form>
Z$@Juv&>5^ @hCGV'4 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。
M^bujGD +XQS
-= 下面是获取用户输入的登陆信息的代码:
J"z8olV string name;
+Oxl1fDf name=Request.QueryString["EmailName"];
P3:hGmk8|j *v&g>Ni try
Z)ObFJMG5 {
N#UyAm<9 int a=name.IndexOf("@",0,name.Length);
S |B7HS5 f_user.Value=name.Substring(0,a);
.|rpj&>g f_domain.Value=name.Substring(a+1,name.Length-(a+1));
d6Z;\f7[ f_pass.Value=Request.QueryString["Psw"];
;Z8K3p }
o|UZdGu Bkcs4 x catch
8
/\rmf\ {
3cs'Oz<w Script.Alert("错误的邮箱!");
Xl}>mbB Server.Transfer("index.aspx");
Mbi)mybM }