1. 打开新的窗口并传送参数:
A)~6Im I2DpRMy 传送参数:
!o-@&q response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
YbLW/E\T |nF 8gh~} 接收参数:
L=h'Qgk% string a = Request.QueryString("id");
.sA.C]f string b = Request.QueryString("id1");
'ig'cRD6N hzC>~Ub5 2.为按钮添加对话框
r_.S>] Button1.Attributes.Add("onclick","return confirm(’确认?’)");
{: W$LWET button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Vz[C=_m M:V_/@W. 3.删除表格选定记录
@|)Z"m7 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
L8n|m!MOD string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
y_9Ds>p!T 6zn5UW#q 4.删除表格记录警告
D#z:()VT( private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
ze;KhUPRm {
FgI3 switch(e.Item.ItemType)
=":,.Ttq41 {
3N:D6w-R case ListItemType.Item :
Sx\]!B@DSu case ListItemType.AlternatingItem :
h.fq,em+H case ListItemType.EditItem:
,2)6s\]/b TableCell myTableCell;
lys#G:H] myTableCell = e.Item.Cells[14];
&~w}_Fjk LinkButton myDeleteButton ;
BluVmM3Vj myDeleteButton = (LinkButton)myTableCell.Controls[0];
9{uO1O\ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
E!AE4B1bd break;
u]gxFG"
default:
u2[w# break;
kNL\m[W8$ }
0?M:6zf_iv [8*)8jP3 }
Xx(T">]vJ 3BLq CZ 5.点击表格行链接另一页
{BHO/q3 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
[SW_C {
PxE3K-S)G //点击表格打开
\|ao`MMaD< if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
v.ui!|c e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
b u"!jHPB }
0|b>I!_"g &VcV$8k 双击表格连接到另一页
]+$?u&0?w W}1
;Z(.* 在itemDataBind事件中
bJ;'`sw1 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
;UP $yM; {
E.>4C[O string OrderItemID =e.item.cells[1].Text;
MJrR[h] ...
YAmb`CP e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
>"<Wjr8W!$ }
3yXY.>' k$7Jj-+~ 双击表格打开新一页
{}Za_(Y,] if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
y)gKxRaCS {
+'w3 =2Bo string OrderItemID =e.item.cells[1].Text;
r"R#@V\'1b ...
ri.I pRe e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
zv"Z DRW }
Hq 188< .GcKa024 ★特别注意:【?id=】 处不能为 【?id =】
5 u0HI 6.表格超连接列传递参数
!Rt>xD <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
d^6M9lGU <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
MqUH',\3 1!gbTeVlY 7.表格点击改变颜色
SZ$Kz n if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
*WT`o> {
AzxXB e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
7\q~%lDE this.style.color=’buttontext’;this.style.cursor=’default’;");
tnG# IU
* }
NN`uI6= {.\TtE 写在DataGrid的_ItemDataBound里
#C3.Jef if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
l/awS!Q/nF {
O8.5}>gDn. e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
"w.3Q96r this.style.color=’buttontext’;this.style.cursor=’default’;");
WeiFmar e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
puM3g|n@ }
DDH:)=;z D5HZ2cz|a 8ITdSg 8.关于日期格式
b>N8F^}~O [zM-^ 日期格式设定
>oe]$r DataFormatString="{0:yyyy-MM-dd}"
*`RkTcG N*&1GT#9 我觉得应该在itembound事件中
8pgEix/M5o e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
bbyg8;/ $ DSZO!pB 9.获取错误信息并到指定页面
{,~3.5u q%?in+l 不要使用Response.Redirect,而应该使用Server.Transfer
FG*r'tC~r /RC7"QzL e.g
eHDN\QA 2 // in global.asax
0s2v'A[\ protected void Application_Error(Object sender, EventArgs e) {
Tyf`j,= if (Server.GetLastError() is HttpUnhandledException)
W1=H8O Server.Transfer("MyErrorPage.aspx");
=>af@C.2 OH(waKq2I //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
s+?zL~t }
7{I0s;R nK%LRcAs 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
u^qT2Ss0 exUu7&*: 10.清空Cookie
O+Y6N Cookie.Expires=[DateTime];
eM?I$eP TN Response.Cookies("UserName").Expires = 0
R',rsGd`6j ^qD$z=z- 11.自定义异常处理
|2n4QBH! //自定义异常处理类
Y\?"WGL)p using System;
>e[i5 using System.Diagnostics;
K}MK<2vU <;Zmjeb+# namespace MyAppException
cP_.&!T {
I75DUJqy] /// <summary>
o="M /// 从系统异常类ApplicationException继承的应用程序异常处理类。
-fHy-Oh /// 自动将异常内容记录到Windows NT/2000的应用程序日志
8&`LYdzt /// </summary>
J,y[[CdH` public class AppException:System.ApplicationException
=.]4;z {
SmSH2m- public AppException()
e [mm {
6.nCV0xA if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
FSW_<% }
<+vw@M +Kbjzh3<wG public AppException(string message)
iVq'r4S {
F%D.zvKN LogEvent(message);
9H`XeQ. }
|_aa&v~ GH:jH]u!V public AppException(string message,Exception innerException)
{go;C} {
'XP7"
N47O LogEvent(message);
LR.<&m%~. if (innerException != null)
7/@TF/V {
A1>OY^p3% LogEvent(innerException.Message);
70tH:Z)" }
{dMsz
}
qwgPk9l j0evq+ //日志记录类
dufu|BL|} using System;
JL}_72gs using System.Configuration;
:hk5 .[ using System.Diagnostics;
Y;^l%ePuW using System.IO;
d K3*; using System.Text;
}" %?et( using System.Threading;
EGU
0)< X296tA>C` namespace MyEventLog
9BBmw(M} {
0e ~JMUb /// <summary>
c"V"zg22 /// 事件日志记录类,提供事件日志记录支持
EF}\brD1 /// <remarks>
EPM-df!= /// 定义了4个日志记录方法 (error, warning, info, trace)
J({Xg? /// </remarks>
RF4vtQC= /// </summary>
9FYUo public class ApplicationLog
tKx~1- {
gS]@I0y8
. /// <summary>
ZWU)\}}_R /// 将错误信息记录到Win2000/NT事件日志中
&n}f? /// <param name="message">需要记录的文本信息</param>
O#~yKqB /// </summary>
}1i`6`y1 public static void WriteError(String message)
gANuBWh8T {
Rmt~,cW!\ WriteLog(TraceLevel.Error, message);
][h%UrV }
]]9R mh= ?u=Fj_N_ /// <summary>
j8{i#;s!" /// 将警告信息记录到Win2000/NT事件日志中
qqr?!vem6 /// <param name="message">需要记录的文本信息</param>
f:|1_ j /// </summary>
6J6BF% public static void WriteWarning(String message)
J76kkW`5 {
QIvVcfM^ WriteLog(TraceLevel.Warning, message);
4n g]\ituS }
JZ*/,|1}EC BmMGx8P /// <summary>
u9GQU /// 将提示信息记录到Win2000/NT事件日志中
L<-_1!wh /// <param name="message">需要记录的文本信息</param>
)<;Y-u.UW /// </summary>
Fk*7;OuZl public static void WriteInfo(String message)
a /l)qB# {
u4F5h PO] WriteLog(TraceLevel.Info, message);
>#~& -3 }
>j(_[z|v3 /// <summary>
E}Z/*lX /// 将跟踪信息记录到Win2000/NT事件日志中
BsqP?/ /// <param name="message">需要记录的文本信息</param>
(X1e5j>Ru /// </summary>
37 , public static void WriteTrace(String message)
5Y'qaIFR {
n :\~'+$ WriteLog(TraceLevel.Verbose, message);
lVR~Bh }
_j/<{vS y E=CsIK /// <summary>
E+R1 !. /// 格式化记录到事件日志的文本信息格式
z.9U}F /// <param name="ex">需要格式化的异常对象</param>
mD0f<gJ1 /// <param name="catchInfo">异常信息标题字符串.</param>
m=A(NKZ
/// <retvalue>
>G*eNn /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
foF({4q7b^ /// </retvalue>
$i}y 8nlQ /// </summary>
>WQMqQ^t@ public static String FormatException(Exception ex, String catchInfo)
)3Iz (Ql {
k,E{C{^M StringBuilder strBuilder = new StringBuilder();
)=Z>#iH1 if (catchInfo != String.Empty)
@6F#rz {
N~d ?WD\^ strBuilder.Append(catchInfo).Append("\r\n");
ceh j; }
otl0JHt*+ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
_jI,)sr4ic return strBuilder.ToString();
AOWmzu{zw }
zRl3KjET :W:K:lk /// <summary>
lhz{1P]s /// 实际事件日志写入方法
qL&[K>2z /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
EC6DW= /// <param name="messageText">要记录的文本.</param>
DV+xg3\(>1 /// </summary>
t?ZI".> private static void WriteLog(TraceLevel level, String messageText)
+xSHL|:b {
^aMg/.j try
R{3N&C {
YX7L?=;.@ EventLogEntryType LogEntryType;
*:YiimOY" switch (level)
!M]uL&: {
nntuLuW case TraceLevel.Error:
pV
+|o.<C LogEntryType = EventLogEntryType.Error;
+0%w ;'9z break;
HU}7zK2 case TraceLevel.Warning:
_ Yx]_Y9I LogEntryType = EventLogEntryType.Warning;
YTX,cj#D^& break;
kg~mgMR+w case TraceLevel.Info:
./k/KSR LogEntryType = EventLogEntryType.Information;
@ ZwvBH break;
G5RR]?@6V case TraceLevel.Verbose:
Zq|I,l0+E LogEntryType = EventLogEntryType.SuccessAudit;
t#/YN.@r break;
!t%j?\f default:
VT%NO'0 LogEntryType = EventLogEntryType.SuccessAudit;
/W30~y break;
?)?Ng} }
;|5F[ zh`<WN&H EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
wj<6kG //写入事件日志
Eh;'S"{/?j eventLog.WriteEntry(messageText, LogEntryType);
=Z3 F1Cq? fue(UMF~ }
Sh~dwxp*" catch {} //忽略任何异常
}6}l7x }
r
CHl?J } //class ApplicationLog
)!Z*.? }
-M~:lK]n dulI&_x 12.Panel 横向滚动,纵向自动扩展
GR.^glG?6 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
kr5">"7 }b"yU#`Q\ 13.回车转换成Tab
Y3cMC) <script language="javascript" for="document" event="onkeydown">
qu6D 5t if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
7qLpZ/ event.keyCode=9;
C12Fl </script>
Nw/ ku eKLZt%= onkeydown="if(event.keyCode==13) event.keyCode=9"
`$<.pOm }J`w4P 14.DataGrid超级连接列
Nk
8 B_{ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
`?qF$g9u~ /-qNh>v4 15.DataGrid行随鼠标变色
:&rt)/I private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
k&q;JyUi {
<QAFL uey if (e.Item.ItemType!=ListItemType.Header)
B=T'5& {
nH'e?>x~e e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Z1f8/?`W e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
D~fl JR }
b-?gw64# }
sPQQ"|wU [{,T.;'<j 16.模板列
Apag{Z]^B <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
\?ZB]*Fu <ITEMTEMPLATE>
sA/D]W.P <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
"]x'PI 4J </ITEMTEMPLATE>
Y%aCMP9j~9 </ASP:TEMPLATECOLUMN>
l^-];|Y
YQ)kRhFA <ASP:TEMPLATECOLUMN headertext="选中">
c(m<h+2VL <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
1 ~*7f> <ITEMTEMPLATE>
7~%?# <ASP:CHECKBOX id="chkExport" runat="server" />
*NaB#;+|k` </ITEMTEMPLATE>
G1tY) _-8[ <EDITITEMTEMPLATE>
0c]/bs{} <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
r:'.nhe </EDITITEMTEMPLATE>
t?&|8SId </ASP:TEMPLATECOLUMN>
I)6+6pm k[YS8g-Q 后台代码
z`}qkbvi protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
1;8UC;, {
S-b/S5 //改变列的选定,实现全选或全不选。
EIAc@$4 CheckBox chkExport ;
TR`U-= jH, if( CheckAll.Checked)
SrJGTuXg {
-%CP@dAk foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Rz/gtEP {
P [ck84F/ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
P{jbl!UD7 chkExport.Checked = true;
{.|CdqwY }
XS{Qnx_# }
'<xXK@=KEI else
"ycJ:Xv49 {
P%VSAh\|n foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
6=/F$| {
mb3"U"ohs chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
|4zIfAO chkExport.Checked = false;
cn3\kT* }
'n]w"]| }
jo@6?(
*4 }
6ex/TySM : /N0!&7 17.数字格式化
9};8?mucr yu|8_<bq 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
FUb\e-Q= <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Y%^w:|f^ !zpRrx_ int i=123456;
k FD;i string s=i.ToString("###,###.00");
~&{S<Wl 'ya{9EdlT 18.日期格式化
yYYSeH ^*Q ?]N 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
7"x;~X )m)-o4c 显示为: 2004-8-11 19:44:28
xml7Uarc |F[+k e 我只想要:2004-8-11 】
KqJs?Won <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
50wulGJud 9>/4W. 应该如何改?
#x60xz 9T9!kb 【格式化日期】
_Y4` xv0/ Y=I'czg 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
=v&hWjP iy!=6 【日期的验证表达式】
n'LrQU Uz8ff A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
#A/ ^((\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})))?$
'KL0@l o[w:1q7 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
]p GL`ge5 ^\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]))$
CwzZ8.o$i LL |r
A: 【大小写转换】
p)-^;=<B3 HttpUtility.HtmlEncode(string);
,^< R{{{-A HttpUtility.HtmlDecode(string)
&h)yro rJ4S%6w 19.如何设定全局变量
FVbb2Y?R f~R(D0@ Global.asax中
/-'}q=M %)1?TU Application_Start()事件中
;[YG@-"XZ fU}ub2_in 添加Application[属性名] = xxx;
"+nRGEs6 cwlRQzQ( 就是你的全局变量
4e7-0}0 Iyn(?w 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
#gN&lY:CFn bsli0FJSh' HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
V)k4:H pYEMmZ?L 【ASPNETMENU】点击菜单项弹出新窗口
|syR6(U} X`K<>0.N 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
lrE5^;/s1 <?xml version="1.0" encoding="GB2312"?>
8/#A!Ww] <MenuData ImagesBaseURL="images/">
Pmx-8w <MenuGroup>
I$G['`XX/ <MenuItem Label="内参信息" URL="Infomation.aspx" >
gz9j&W.
<MenuGroup ID="BBC">
JPHL#sKyz <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
z&\a:fJ& <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
'JE`(xD ......
adcE'fA<_ EME|k{W 最好将你的aspnetmenu升级到1.2版
;JT-kw6l5K `$9x 1dx 21.读取DataGrid控件TextBox值
a58H9w"u) foreach(DataGrid dgi in yourDataGrid.Items)
fTec {
9W5lSX#^; TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
*N<]Xy@ tb.Text....
,ZNq,$j }
;igIZ$& "HIRTE;& 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?
s ll\g Z5n1@a__ 〖思归〗
%[TR^Th6 <asp:TemplateColumn HeaderText="数量">
:3Ox~o <ItemTemplate>
2]*OQb#O6e <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
M|h3Wt~7 onkeyup="javascript:DoCal()"
!f[_+CD />
@,+5y\]C PC8Q"O <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
<kqo^ </ItemTemplate>
hn@08t G </asp:TemplateColumn>
cV6D<,) ED gag <asp:TemplateColumn HeaderText="单价">
.`eN8Dl1 <ItemTemplate>
Dz/ "M= <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
K\r8g=U onkeyup="javascript:DoCal()"
+ &Eqk />
YD6'#( Zu[su>\ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
</zEg3F\ ouQ T </ItemTemplate>
*i%d,w0+ </asp:TemplateColumn>
~36!?&eA8 d7upz]K9g <asp:TemplateColumn HeaderText="金额">
q|(HsLs <ItemTemplate>
tyFzSrfc <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
;6$jf:2m </ItemTemplate>
KZE,bi:~ </asp:TemplateColumn><script language="javascript">
rb.N~ function DoCal()
n_A3#d<9 {
vk^xT var e = event.srcElement;
n 7[V&`e_ var row = e.parentNode.parentNode;
1Pu~X
\sO var txts = row.all.tags("INPUT");
S,UDezxg if (!txts.length || txts.length < 3)
b4kgFA
return;
Jnov<+ T8$y[W-c var q = txts[txts.length-3].value;
V 5mTP' var p = txts[txts.length-2].value;
u6JM]kR V)25$aKW7 if (isNaN(q) || isNaN(p))
}Sv:`9= return;
Y$_B1_ wc4=VC"y q = parseInt(q);
0GeTSFj p = parseFloat(p);
usF.bkTp TC*g|d @b txts[txts.length-1].value = (q * p).toFixed(2);
#*Ctwl,T }
3s#N2X;Bc </script>
y<Ot)fa$ ~c `l@: 57c8xk[.2 q/,O\, X \/#@T 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。
NBGH_6DROw page_load
e\L8oOk#r page.smartNavigation=true
z
Iu'[U )SGq[B6@I 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 ?
x%B/ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
rx|pOz,: {
4V`G,W4^J for(int i=0;i<e.Item.Cells.Count-1;i++)
5.GR1kl6 if(e.Item.ItemType==ListItemType.EditType)
'H;*W |:-] {
j#ab_3xH e.Item.Cells.Attributes.Add("Width", "80px")
^1];S^nD }
G 3ptx!
D }
@j/a=4o[ bk[!8-b/a 26.对话框
R6->t #n, private static string ScriptBegin = "<script language=\"JavaScript\">";
zO6oT1I private static string ScriptEnd = "</script>";
\9T7A& K$=zi}J W public static void ConfirmMessageBox(string PageTarget,string Content)
6'f;-2 {
#H~64/ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
J|7 3.&B `ERz\`d~Y; ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
&};zvo~P. es7=%!0 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
nxFBI D ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
"w<#^d_6 //Response.Write(strScript);
kAUymds;O }
ef4 i:. ~P-mC@C 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
w7L)'9 [nq@m c~< 1.1 取当前年月日时分秒
v]UwJz3< currentTime=System.DateTime.Now;
(ToUgVW1N xAm6BB
c 1.2 取当前年
Ny/MJ#Lq int 年= DateTime.Now.Year;
$F.a><1rY )^hbsMhO 1.3 取当前月
#RLt^$!H int 月= DateTime.Now.Month;
(TM,V!G+U~ C0Z=~Q% 1.4 取当前日
[:*)XeRK int 日= DateTime.Now.Day;
_+MJ%'>S ns4,@C$ 1.5 取当前时
jL}v9$ int 时= DateTime.Now.Hour;
OY({.uV dX \9EjClfo 1.6 取当前分
E]r?{t`] int 分= DateTime.Now.Minute;
w0unS`\4 r3?o9D> 1.7 取当前秒
YS_;OFsd int 秒= DateTime.Now.Second;
^iYj[~ \i&<s; 1.8 取当前毫秒
COlaD"Y int 毫秒= DateTime.Now.Millisecond;
'J|_2* MolgwVd 28.自定义分页代码:
)+Pus~w 5"H=zJ=r 先定义变量 :
dj%!I:Q>u public static int pageCount; //总页面数
#g!.T g' public static int curPageIndex=1; //当前页面
2
yz _ _q^E,P 下一页:
5!9zI+S|=` if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Flb&B1 {
],].zlN DataGrid1.CurrentPageIndex += 1;
\'j|BJ~L f curPageIndex+=1;
%&bY]w }
gBD]}vo- lu/
(4ED bind(); // DataGrid1数据绑定函数
BJ(M2|VH 08{@rOr 上一页:
Etm?' if(DataGrid1.CurrentPageIndex >0)
g9F?z2^ {
#`s"WnP9'! DataGrid1.CurrentPageIndex += 1;
\l3h0R curPageIndex-=1;
m#p'iU*va, }
T51
`oZ` >
Nr#O bind(); // DataGrid1数据绑定函数
_SkLYL!=9 akQ7K 直接页面跳转:
}ad|g6i` int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
ovV'VcUs R G`1en if(a<DataGrid1.PageCount)
=g|FT {
=tY T8Q;al this.DataGrid1.CurrentPageIndex=a;
$ME)#( }
!|>"o7 0m ? )ROaJ bind();
:BTq!>s #e5\j\#. 29.DataGrid使用:
TS5Q1+hWHV @lph)A Nk 添加删除确认:
cM7[_*Ot<m private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
rrv%~giU {
LOJAWR9$^U foreach(DataGridItem di in this.DataGrid1.Items)
[ikOb8 G# {
ct}9i"H#1 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
Z%\,w(o[h {
GPkpXVm ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
#LOwGJ$yVz }
40
0#v|b }
v.5+7,4 }
)dSi/ 4X|zmr:A 样式交替:
xN%K^Tree ListItemType itemType = e.Item.ItemType;
:\U{_@?`% g=o4Q<
#^y if (itemType == ListItemType.Item )
B7vpsSL {
@s^-.z e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
RpYERAgT e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
o _H`o&xr }
)\^-2[; else if( itemType == ListItemType.AlternatingItem)
$,'*f?d {
~u+9J} e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
5/z/>D; e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
=nHgDrA_ }
gPc=2 t&DEb_"De 添加一个编号列:
Wo,?+I DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
29q _BR *: DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Z EO WO ^G-@06 /! for(int i=0;i<dt.Rows.Count;i++)
C"enpc_C/ {
W*w3[_"sr dt.Rows["number"]=(i+1).ToString();
>yh2Lri }
7J&4akT{9 L&OwPd DataGrid1.DataSource=dt;
pY$Q DataGrid1.DataBind();
ItTz.sQ GowH]MO DataGrid1中添加一个CheckBox,页面中添加一个全选框
[PKR2UEe] private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
>)Tqt!? {
'[O;zJN; foreach(DataGridItem thisitem in DataGrid1.Items)
h `.& f {
y18Y:)DkL ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
6\S~P/PkE }
Pr,q*_Yy }
*HB-QIl #LN`X8Wz' 将当前页面中DataGrid1显示的数据全部删除
3DG_QVg^v foreach(DataGridItem thisitem in DataGrid1.Items)
s(roJbJ_; {
S`?!G&[!> if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
dGTsc/$ {
8e"gW >f string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
/vb`H>P Del (strloginid); //删除函数
-s'-eQF J }
?P c' C }
pFz`}?c0 ]"1DGg \A 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)
9JKEw bK-N:8Z 在Application_Start中添加以下代码:
7})[lL`\s Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
cPc</[x[W AppSettings["ConnStr"].ToString();
]]j;/TiG gbagi+8s`% 31. 变量.ToString()
dcWD(- y$R_.KbO 字符型转换 转为字符串
##4HYQ%E 12345.ToString("n"); //生成 12,345.00
t<?,F 12345.ToString("C"); //生成 ¥12,345.00
)sQ*Rd@t[8 12345.ToString("e"); //生成 1.234500e+004
-RK- Fu<e 12345.ToString("f4"); //生成 12345.0000
t@+}8^M 12345.ToString("x"); //生成 3039 (16进制)
m<2M4u 12345.ToString("p"); //生成 1,234,500.00%
BJo*'US-Q mU9kVx1+ 32、变量.Substring(参数1,参数2);
^L&iR0 , SnSW-P 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
K,:N 63x?MY6 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
'>C5-R:O <SCRIPT language="javascript">
iMRwp+$ <!--
'(jG[ry&T function gook(pws)
[;myHI`tw {
QnX(V[ frm.submit();
%C_HXr@ }
0S$N05 //-->
=zs`#-^8 _/<x </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
j^2j&Ta <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
{+Cy U!O <tr>
gr-OHeid <td>
@49S` <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
0Pi:N{x8 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
&~U ] ~;@ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
B@
KQ]4- ('p5:d <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
P J[`| <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
^\,E&=/}M WvZ8/T'x </td>
0NX,QD c_!cv":s </tr>
l0i^uMS gt w Q- </form>
)B8$<sv r^ ZEImjc 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。
D=&Me=$ K8Y=S12Ti 下面是获取用户输入的登陆信息的代码:
4)o string name;
h;NYdX5 name=Request.QueryString["EmailName"];
@bP)406p OY@ %p}l try
vd4ytC {
S#}
KIy int a=name.IndexOf("@",0,name.Length);
BsYa3d=} f_user.Value=name.Substring(0,a);
YLn?.sV{[0 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
~z;FP$U f_pass.Value=Request.QueryString["Psw"];
O463I.XAP }
2*#|Nj=^ sZF6h=67D catch
<0q;NrvUb {
v0jgki4t Script.Alert("错误的邮箱!");
[QT#Yf0 Server.Transfer("index.aspx");
TBU&6M>{3 }