1. 打开新的窗口并传送参数:
`t~Zkb4> O6$d@r;EK] 传送参数:
&?gvW//L2 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
7;;HP`vY ]7yr.4?a 接收参数:
}Pn]j7u! string a = Request.QueryString("id");
27-GfC=7* string b = Request.QueryString("id1");
JM-+p Yx{q VU 2.为按钮添加对话框
Kt3]r:&J Button1.Attributes.Add("onclick","return confirm(’确认?’)");
9akIu.H button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
%\2w
1 26Jb{o9Z< 3.删除表格选定记录
.y~vn[q N int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
;VAHgIpx; string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
zwa%$U K6l{wyMb| 4.删除表格记录警告
~t-!{F private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Vy7o}z` {
eAD uk!Iq switch(e.Item.ItemType)
j"c30AY {
@?r[
$Ea1M case ListItemType.Item :
N\9Wxz$ case ListItemType.AlternatingItem :
qoXncdDHZ case ListItemType.EditItem:
HM(S}> TableCell myTableCell;
>MeM myTableCell = e.Item.Cells[14];
n6Qsug$z LinkButton myDeleteButton ;
^$I8ga myDeleteButton = (LinkButton)myTableCell.Controls[0];
ckTk2xPQ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
1SGLA"r break;
c_#+xGS!7 default:
MQ{.% break;
U2D2?# }
V"`t*m$ vz-O2B_u }
byTTLs,}d ,=@%XMS 5.点击表格行链接另一页
?|;q=p`t- private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
vRQ7=N{3 {
#7}1W[y9}l //点击表格打开
y:R!E *.L' if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
m=hUHA,p4 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
<)dHe: }
;mAlF>6]\ uVn"'p- 双击表格连接到另一页
OmR)W' ]'iOV-2^' 在itemDataBind事件中
exHg<18WSe if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
y]e[fZ`L {
T7bDt string OrderItemID =e.item.cells[1].Text;
:7P/ZC% ...
RU_wr< e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
9_ }
+xc1cki_{ 9$[PAjwk 双击表格打开新一页
NM{/rvM if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
=W_Pph {
k:qS' string OrderItemID =e.item.cells[1].Text;
.*(xkJI3 ...
%H AforH e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
~0 Ifg_G }
hE|W%~Jx 0mMoDJRy ★特别注意:【?id=】 处不能为 【?id =】
G)G
257K"~ 6.表格超连接列传递参数
j@HOU~x <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
;n~-z5) <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
[ u.r]\[J x[_SNX" 7.表格点击改变颜色
e#t7 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
<n-}z[09 {
!Enq2 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
3~o#1*-> this.style.color=’buttontext’;this.style.cursor=’default’;");
gZHuyp(B }
%Y:"5fH 0Kytg\p} 写在DataGrid的_ItemDataBound里
S4hv7.A if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
!5}u \ {
EIrAq!CA e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
~Bi>T15e this.style.color=’buttontext’;this.style.cursor=’default’;");
L
HW\A8 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Qu;cl/& }
'OTQiI^t= ;[-TsX: HPz3"3n! 8.关于日期格式
aVvma= Id}/(Pkq 日期格式设定
A 6IrA/b DataFormatString="{0:yyyy-MM-dd}"
bQlv b LN0pC}F 我觉得应该在itembound事件中
/L yoTBG e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
BtA_1RO 3HEm-pok 9.获取错误信息并到指定页面
)p^" J| h%%ryQQ&< 不要使用Response.Redirect,而应该使用Server.Transfer
J6[V7R[\ {KGEv% e.g
!Soz??~o/ // in global.asax
Q_r}cL/A protected void Application_Error(Object sender, EventArgs e) {
JJZu%9~[ if (Server.GetLastError() is HttpUnhandledException)
>2t.7UhDI Server.Transfer("MyErrorPage.aspx");
d2a*xDkv ki6Lt //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
yt@7l]I }
\5iMr[s RH}i= 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'\2Ge<m $-MVsa9>I 10.清空Cookie
L~+/LV Cookie.Expires=[DateTime];
\}Al85 Response.Cookies("UserName").Expires = 0
hl]q6ZK!6 /wI"oHZd 11.自定义异常处理
\'Q rJ ?D //自定义异常处理类
CBr(a'3{Z using System;
3%[;nhbA7 using System.Diagnostics;
4=~+Bz n
"bii7h namespace MyAppException
H[_i=X3-~ {
mPL0s /// <summary>
T!7B0_ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
lsaA
/// 自动将异常内容记录到Windows NT/2000的应用程序日志
y '[VZ$^i /// </summary>
lDSF public class AppException:System.ApplicationException
xwF mY'o {
ve]hE}o/} public AppException()
dfP4SJqq
{
@9tzk [ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
lQM&q }
jQrj3*V |z7V1xF public AppException(string message)
hp1+9vEN {
OUk"aAo LogEvent(message);
l+a1 `O }
-tZ~&1" RY
.@_{ public AppException(string message,Exception innerException)
.He}f,!f< {
^6On^k[|fw LogEvent(message);
"g,`K s ]; if (innerException != null)
xG(xG%J {
bu9.HvT' LogEvent(innerException.Message);
J%u,qF}h }
'Qh1$X)R7a }
F[v:&fle BW:HKH.k //日志记录类
]9N&I/- using System;
Mbp7%^E"A using System.Configuration;
N[rAb*iT using System.Diagnostics;
r~z'QG6v/ using System.IO;
iInWw"VbKe using System.Text;
k2@]nW"S using System.Threading;
'u:-~nSX) |A/H*J, namespace MyEventLog
eaC%&k {
#;yxn.</ /// <summary>
`*l aUn /// 事件日志记录类,提供事件日志记录支持
H$+@O- /// <remarks>
yeI>b 1>Q /// 定义了4个日志记录方法 (error, warning, info, trace)
>UQY3C /// </remarks>
) ViBH\.*p /// </summary>
9=mc3m:Tb( public class ApplicationLog
1<tJ3>Xl {
lA pZC6Iwk /// <summary>
P8(hHuO /// 将错误信息记录到Win2000/NT事件日志中
YF)]B |I /// <param name="message">需要记录的文本信息</param>
mqj-/DN6* /// </summary>
~Pj q3etk public static void WriteError(String message)
c: r25 {
RfOJUz WriteLog(TraceLevel.Error, message);
QC?~$>h!? }
w_f.\\1r Mj{w/' /// <summary>
Pa6pq;4St /// 将警告信息记录到Win2000/NT事件日志中
r'`7}@H* /// <param name="message">需要记录的文本信息</param>
* bd3^mP /// </summary>
$J^fp XO public static void WriteWarning(String message)
T](}jQxj` {
RG*Vdom WriteLog(TraceLevel.Warning, message);
$AT@r" }
^)wKS]BQ.. zak|* _ /// <summary>
=ecLzk"+F /// 将提示信息记录到Win2000/NT事件日志中
|r*)U(c` /// <param name="message">需要记录的文本信息</param>
-p>~z ) /// </summary>
-@e2/6Oi public static void WriteInfo(String message)
d[>HxPwo {
S=0DQ19 WriteLog(TraceLevel.Info, message);
*s,[Uy![ }
m<49<O6o /// <summary>
RC/45:hZZ /// 将跟踪信息记录到Win2000/NT事件日志中
(6.uNLr /// <param name="message">需要记录的文本信息</param>
f~F{@),acZ /// </summary>
_1NK9dp: public static void WriteTrace(String message)
2E?!Q I\O {
[}YUi>NGA WriteLog(TraceLevel.Verbose, message);
+J|H~` }
)S
7+y6f&* r\d(*q3B /// <summary>
S3:AitGJ /// 格式化记录到事件日志的文本信息格式
zs~Tu /// <param name="ex">需要格式化的异常对象</param>
Kv(R|d6Lp
/// <param name="catchInfo">异常信息标题字符串.</param>
}DXG;L /// <retvalue>
=gs-#\% /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
'f!U[Qatg /// </retvalue>
NJ)Dw`|%|) /// </summary>
~ney~Pz_ public static String FormatException(Exception ex, String catchInfo)
x ZP*%yM {
f4fBUZ^ A StringBuilder strBuilder = new StringBuilder();
f-G)pHm if (catchInfo != String.Empty)
#R{>@]x` {
SIV !8mz strBuilder.Append(catchInfo).Append("\r\n");
h~m,0nGO }
.07`nIs" strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Z;%uDlcXI return strBuilder.ToString();
*X(:vET }
Km;}xke6 00.x*v /// <summary>
i1|>JM[V /// 实际事件日志写入方法
.G8>UXX /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
#D4 /// <param name="messageText">要记录的文本.</param>
{BmqUoZrC /// </summary>
G0{Z@CvO' private static void WriteLog(TraceLevel level, String messageText)
T#H^
}` {
4SZ,X^]I> try
1vxRhS&FY {
{Q3OT EventLogEntryType LogEntryType;
+?Ii=* 7n switch (level)
X3\PVsH$K {
!+Xul_XG case TraceLevel.Error:
d?8OY LogEntryType = EventLogEntryType.Error;
E`UkL*Q break;
H;
NV?CD case TraceLevel.Warning:
=w!ik9 LogEntryType = EventLogEntryType.Warning;
~x^y5[5{ break;
CtXbAcN2B case TraceLevel.Info:
V6X )L>!xx LogEntryType = EventLogEntryType.Information;
@^<odmM break;
\y5lYb,*c_ case TraceLevel.Verbose:
HbegdbTJ LogEntryType = EventLogEntryType.SuccessAudit;
3l~+VBR_ break;
l cie6'< default:
`UTPX'Vz LogEntryType = EventLogEntryType.SuccessAudit;
D xV=S0P break;
st;iGg }
dMH_:jb GLn=*Dh# EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Tb$))O} //写入事件日志
Sv T0%2 eventLog.WriteEntry(messageText, LogEntryType);
1o`1W4Q Qds<j{2 }
->rqr# catch {} //忽略任何异常
{5~h }
n.&7lg^X } //class ApplicationLog
{+WBi(=W }
E.h 0&UG=q 12.Panel 横向滚动,纵向自动扩展
PjeI&@ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
TKR#YJQ?K oFj_o 13.回车转换成Tab
dS ojq6M <script language="javascript" for="document" event="onkeydown">
2%sZaM if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
(dq_,LI event.keyCode=9;
o]q~sJVk6 </script>
WR{m?neE_N fAgeF$9@
onkeydown="if(event.keyCode==13) event.keyCode=9"
rO7_K>g? )&@YRT\c?8 14.DataGrid超级连接列
f6%k;R.Wz DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
9j:]<?D,A |%C2 cx 15.DataGrid行随鼠标变色
w$:\!FImx private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
[kg?q5F) {
In1W/? if (e.Item.ItemType!=ListItemType.Header)
ENZym {
J'}+0mln e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
m$p}cok#+S e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
l8FJ \5'M }
5vyg-' }
s<zN`&t V: D;?$Jl 16.模板列
x95s%29RS <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
t`Kpbfk <ITEMTEMPLATE>
+]eG=.
u <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
M-nRhso </ITEMTEMPLATE>
'2.ey33V </ASP:TEMPLATECOLUMN>
0]4X/u#N ij$NTY=u <ASP:TEMPLATECOLUMN headertext="选中">
Ddr.6`VJ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
!T,<p
<ITEMTEMPLATE>
^Kz?SO <ASP:CHECKBOX id="chkExport" runat="server" />
:}e< </ITEMTEMPLATE>
|M;Nq@bRv <EDITITEMTEMPLATE>
SaXt"Ju,AH <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Pvc)-A </EDITITEMTEMPLATE>
gD9CA* </ASP:TEMPLATECOLUMN>
!-lI<$S: `
IVQ 后台代码
0`x>p6.)G protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
AkQ(V {
46=E- Tq //改变列的选定,实现全选或全不选。
8J3#(aBm CheckBox chkExport ;
"du(BZw if( CheckAll.Checked)
V
*@q< rQ {
^*}D*=>\ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
6\.g,>
{
kH eD(Ea chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Gd
4S7JE chkExport.Checked = true;
f6Y?),` }
I6^y` 2X }
|HycBTN#E else
l$gJ^Wf2gY {
4;6"I2;zfG foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
=3035{\ {
nX (bVT4i chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
t{]
6GlW chkExport.Checked = false;
E{T3Xwg }
|KhpF1/( }
BQ6$T& }
6]1RxrAV gX{j$]^6G8 17.数字格式化
Q#% LIkeq !
v![K 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
:zU4K=kR <%#Container.DataItem("price","{0:¥#,##0.00}")%>
~!({Unt+' k9
r49lb int i=123456;
c +]r string s=i.ToString("###,###.00");
vFe=AY<Rt| t\/H. Hb 18.日期格式化
2E-Kz?,:[ TgcCR:eL= 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
r ~{nlLO} "q?(rx; 显示为: 2004-8-11 19:44:28
(]q
([e X?haHM#] 我只想要:2004-8-11 】
/R B%m8@; <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
7**zb"#y j0L%jz 应该如何改?
&b@_ah+f )zWu\JRp 【格式化日期】
(Mfqzy \Q#pu;Y*N] 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
^6l5@#)w ~;HASHu 【日期的验证表达式】
?*~
~Ok [\ku,yd%0 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
$(62j0mS> ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
@{IX
do <2(X?,N5BD B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
UT@Qo}: ^\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]))$
tXzuP_0 <IZr..|O 【大小写转换】
S_sHwObFu| HttpUtility.HtmlEncode(string);
5i6Ji( HttpUtility.HtmlDecode(string)
)P7oL.) k
x:+mF 19.如何设定全局变量
I]HYqI Oyb9
ql^ Global.asax中
|Gq3pL<jkC _oZ3n2v}@ Application_Start()事件中
#`@)lU+/ %;wDB2k* 添加Application[属性名] = xxx;
z/j*zU
` /*g0M2+OZo 就是你的全局变量
`V/kM0A5 %Ok#~>c 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
7 :\J2$P pp|$y\ZzB HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
<1vogUDW T7qp ({v?Q 【ASPNETMENU】点击菜单项弹出新窗口
&kf \[|y |3k r*# 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
VnN(lJ <?xml version="1.0" encoding="GB2312"?>
:2
\NG} <MenuData ImagesBaseURL="images/">
W DnNVE <MenuGroup>
k Jz^\Re <MenuItem Label="内参信息" URL="Infomation.aspx" >
"S@]yL
<MenuGroup ID="BBC">
\V~B+e <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
v#d3W|
~ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
+v%+E{F$+ ......
.5HD i- Zp/P/97p 最好将你的aspnetmenu升级到1.2版
UaG&HGg]! Zc";R!At 21.读取DataGrid控件TextBox值
Nl4uQ_" foreach(DataGrid dgi in yourDataGrid.Items)
.D7Gog3^< {
#}6~>A TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
P=_W{6 tb.Text....
rXSw@pqZ& }
hB'rkjt k'v+/6 Y 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
C^?/9\
jz3f{~ 〖思归〗
3
JlM{N6+ <asp:TemplateColumn HeaderText="数量">
pl}W|kW} <ItemTemplate>
nF-l4 = <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
B8wGWZ@ onkeyup="javascript:DoCal()"
5-4 />
v%#@.D!) )"Ujx`]4r <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
f!7fz~&Sh </ItemTemplate>
,jnaa (n </asp:TemplateColumn>
JrxQ.,*i :MYLap&L& <asp:TemplateColumn HeaderText="单价">
zW ?=^bE <ItemTemplate>
U4"&T,'lTL <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
)REegFN@ onkeyup="javascript:DoCal()"
/`qQWB5b />
;Gu(Yoa}y }V/iU_) <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
1q
ZnyJ 6d5q<C_3t </ItemTemplate>
$5#DU__F/ </asp:TemplateColumn>
OZKZv, C,O9?t <asp:TemplateColumn HeaderText="金额">
,\T `gh <ItemTemplate>
>of9m <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
t[HsqnP </ItemTemplate>
pgUjje># </asp:TemplateColumn><script language="javascript">
*>GRU8_} function DoCal()
%U[H`E {
B<|Vm.D var e = event.srcElement;
5IgO4 <B var row = e.parentNode.parentNode;
B0g?!.#23 var txts = row.all.tags("INPUT");
2Z9ck|L> if (!txts.length || txts.length < 3)
U[pR`u return;
HKC&grp Wa!C2nB var q = txts[txts.length-3].value;
juWbd|ad" var p = txts[txts.length-2].value;
?>R(;B|ER <\d`}A:& if (isNaN(q) || isNaN(p))
C
szZr>Z return;
c?Zi/7 >2'A~?% q = parseInt(q);
A/ Sj>Y1j p = parseFloat(p);
N7q6pBA"E B90fUK2g txts[txts.length-1].value = (q * p).toFixed(2);
{\h:k\k }
ubKp
P%Z </script>
'v(b^x<ZS wgQx.8 h> :VR%I;g ; =FAIbM>u Yru,YA
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。
*aYuuRx page_load
^%1u3 page.smartNavigation=true
#/t+h#jG {XXnMO4uR; 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 ?
bdBLfWe private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
;e2D} {
.8|"@ for(int i=0;i<e.Item.Cells.Count-1;i++)
y
:QnK0 if(e.Item.ItemType==ListItemType.EditType)
i"^ yy+ {
7 $Cv=8 e.Item.Cells.Attributes.Add("Width", "80px")
R_80J=%0 }
s?9`dv}P }
Tkj
F/zv /mn'9=ks 26.对话框
p8iKZI]g private static string ScriptBegin = "<script language=\"JavaScript\">";
Q0XSQ Ol private static string ScriptEnd = "</script>";
xd`\Ai 7<*g'6JG[ public static void ConfirmMessageBox(string PageTarget,string Content)
wF-H{C' {
H:q;IYE+a string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
(s51GRC :c:}_t{% ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
bIuOB| b-J6{=k^ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
[t?:CgI)E ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
Sq`Zuu9t //Response.Write(strScript);
.;dI&0Z }
/i"1e:cK OP``+z> 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
MdnapxuS FW4#/H 1.1 取当前年月日时分秒
rj29$d?Y9 currentTime=System.DateTime.Now;
T|--ZRYn i@=(Y~tD` 1.2 取当前年
Xk :_aJ int 年= DateTime.Now.Year;
a!&<jM 0|mCk 1.3 取当前月
~qE:Nz0@ int 月= DateTime.Now.Month;
!#4b#l(e6 1#XZVp;M 1.4 取当前日
ddlF4L_ int 日= DateTime.Now.Day;
-c[fg+L9 2FM}"g<8 1.5 取当前时
WXa<(\S\V int 时= DateTime.Now.Hour;
,C^u8Z|T Z>.(' 1.6 取当前分
g
T0@pxl int 分= DateTime.Now.Minute;
X|Nb81M LO,:k+&A+ 1.7 取当前秒
LoO"d'{ int 秒= DateTime.Now.Second;
{T5u"U4 }gQnr;lv 1.8 取当前毫秒
$F@ ,,* int 毫秒= DateTime.Now.Millisecond;
5"L.C32 s[t?At-> 28.自定义分页代码:
w*7wSP Dd:48sN:Jq 先定义变量 :
b}ODc]3 public static int pageCount; //总页面数
(I#3![q public static int curPageIndex=1; //当前页面
R E9`T %d0BQ| 下一页:
}n k[WW if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
!dwa. lZ&X {
WFfn:WSWU DataGrid1.CurrentPageIndex += 1;
: !wt/Y curPageIndex+=1;
l(Uwci }
rrs0|= pvdCiYo1r bind(); // DataGrid1数据绑定函数
50Ov>(f@7 /!pJ" @ 上一页:
\[]4rXZN0 if(DataGrid1.CurrentPageIndex >0)
N}'2GBqfU4 {
I$ ?.9&.& DataGrid1.CurrentPageIndex += 1;
=<r1sqf
curPageIndex-=1;
p|w0
i[hc }
oUL4l=dj. rotu#?B bind(); // DataGrid1数据绑定函数
CE|rn8MB acow 直接页面跳转:
YN7JJJ/~T int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
}k@SmO8 mv#*%St5 if(a<DataGrid1.PageCount)
tPFj[Y~Iy {
O0sLcuT$ this.DataGrid1.CurrentPageIndex=a;
vSwRj<|CF }
(~?p`g+I.P "6i3'jc` bind();
OgCz[QXr_ *~`BG5w 29.DataGrid使用:
Ed1y%mR> O_v*,L! 添加删除确认:
8-x)8B private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
B|r' {
-7VQ{nC foreach(DataGridItem di in this.DataGrid1.Items)
Lv<vMIr {
,#j'~-5 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
^MvBW6#1 {
!d1a9los ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
#l!nBY ~ }
[6\b(kS+ }
sL#MYW5E }
a" L9jrVrw sY&Z/Y 样式交替:
G
BM8:IG \ ListItemType itemType = e.Item.ItemType;
IJD E{) pL2{zW`FDh if (itemType == ListItemType.Item )
c'wU$xt.w {
"-Wb[*U; e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
f7&9IW`7F^ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
=OFx4#6a }
|u+!CR else if( itemType == ListItemType.AlternatingItem)
HbJ^L:/ {
_[/#t|I} e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
!gJw?(8" e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
s133N? }
-0P9|;h5 5 &0qr$ 添加一个编号列:
.Gb!mG DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Y;kiU DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Yw_!40` ZWQ/BgKB for(int i=0;i<dt.Rows.Count;i++)
E[<*Al+N {
l_Zx'm dt.Rows["number"]=(i+1).ToString();
^ U~QQ }
>+):eBL rl]K:8* DataGrid1.DataSource=dt;
e/}4Pt DataGrid1.DataBind();
5t-,5 \jx3Fs:Q DataGrid1中添加一个CheckBox,页面中添加一个全选框
#@F.wV0 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
&_74h);2I: {
~yJJ00% foreach(DataGridItem thisitem in DataGrid1.Items)
w@LLxL>Y {
Gr#WD=I-} ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
e9>~mtx }
`UTUrM }
<(i5hmuVd ^,aI2vC 将当前页面中DataGrid1显示的数据全部删除
ER0B{b foreach(DataGridItem thisitem in DataGrid1.Items)
`4g}(- {
I+
Y{_yw"f if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
BAtjYPX'w {
jwP5pu string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
LL==2KNUo Del (strloginid); //删除函数
w/*m_O\! }
5GGO: }
1x%B`d 7mE9Zo1 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)
8{_lB#<[E gU1Pb]] 在Application_Start中添加以下代码:
L@Q+HN Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
8 [D" AppSettings["ConnStr"].ToString();
qw{`?1[+ x_r*<?OZ 31. 变量.ToString()
hw(\3h() B<0Kl.V 字符型转换 转为字符串
Sb(OG 6 12345.ToString("n"); //生成 12,345.00
h}kJ,n 12345.ToString("C"); //生成 ¥12,345.00
-gUp/#l1 12345.ToString("e"); //生成 1.234500e+004
F~eY'~&H} 12345.ToString("f4"); //生成 12345.0000
-+0kay% 12345.ToString("x"); //生成 3039 (16进制)
$m A2AI 12345.ToString("p"); //生成 1,234,500.00%
RGrQ>'RL <>728;/C 32、变量.Substring(参数1,参数2);
6&il> na"!"C
s3 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
T"<)B^8f 7Gy:T47T\@ 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
'u~0rMe4}) <SCRIPT language="javascript">
J_?v=dW` <!--
:Qhrh(i function gook(pws)
b'Km-'MtH {
MdmN7> frm.submit();
SZ}=~yoD( }
k81%$E //-->
5DVYHN9c| b` va\'&3 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
eW;3ko E <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
2_y]MXG+% <tr>
"c|Rpzs[ <td>
>H ?k0M`L <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
>##Z}auY <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
D:/q<<| <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
"%\hDL; @\o"zU <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
I2Imb9k~B <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
iaLZ|\`3a PjH'5Y </td>
Wky9wr:g -$DfnAh </tr>
v; R2,`[W xiDgQTDz </form>
8;r #HtFM *0to,$ n 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。
*@H\J e` gKQV99 下面是获取用户输入的登陆信息的代码:
W"GW[~
h string name;
Qd{8.lB~LQ name=Request.QueryString["EmailName"];
-J8Hsqf@ {/H<_ try
CS~_>bn {
~$J(it-a int a=name.IndexOf("@",0,name.Length);
ts9wSx~[+ f_user.Value=name.Substring(0,a);
a[ayr$Hk? f_domain.Value=name.Substring(a+1,name.Length-(a+1));
^
nI2<P f_pass.Value=Request.QueryString["Psw"];
"r*`*1 }
QXN_ ?E,g/ IWq#W(yM catch
&N._}ts {
JWI Y0iP Script.Alert("错误的邮箱!");
&T~X`{V]` Server.Transfer("index.aspx");
@OkoT: }