1. 打开新的窗口并传送参数:
v8N1fuP} 5w3'yA<vE 传送参数:
$=R\3:j response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
VEm[F/' 9x<
8(]\ 接收参数:
^k=[P string a = Request.QueryString("id");
SfT ]C~#$N string b = Request.QueryString("id1");
']x]X, ly+7klQ;. 2.为按钮添加对话框
B4=gMVp1 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
m%puD9 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
6m&I_icM J(60eTwQ 3.删除表格选定记录
(fS4qz:&l int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
v<4zcMv string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
4r$t}t
gX 4V5*6O9(u 4.删除表格记录警告
E)bP}:4V private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
#D8)rs.9 {
u05O[>w switch(e.Item.ItemType)
z)Gr`SA< {
><HXd+- sd case ListItemType.Item :
(ol 3vt case ListItemType.AlternatingItem :
l|9`22G case ListItemType.EditItem:
QH:i)v* TableCell myTableCell;
~Tolz H! myTableCell = e.Item.Cells[14];
;$]R#1i44 LinkButton myDeleteButton ;
lM]7@A myDeleteButton = (LinkButton)myTableCell.Controls[0];
a*`J]{3G myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
$[e*0!e break;
M Cz3RZK default:
k9
E?5 break;
O"GzeEY7 }
ZN^Q!v X.Kxio
$o }
w *0T"hK h/ic-iH(> 5.点击表格行链接另一页
%'
Fc%3 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
:tMWy
m {
Gf>T{Q`,is //点击表格打开
{S c1!2q if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
1Low[i e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
z$A5p4=B'^ }
r&w>+KIt p/:L;5F 双击表格连接到另一页
;2^=#7I? _G42|lA$/ 在itemDataBind事件中
UNJ|J$T] if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
<?eZ9eB {
$!t! = string OrderItemID =e.item.cells[1].Text;
KT}}=st% ...
X|as1Y$O+ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
q4E{? }
3 D3K:K!FK )xU70:X 双击表格打开新一页
#cA}B
L!3 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_]NM@'e {
@:
NrC76 string OrderItemID =e.item.cells[1].Text;
aOOY_S
E ...
aG!!z> e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
g6S8@b))| }
mGX;JOjZ 59LIK&w ★特别注意:【?id=】 处不能为 【?id =】
^,50]uX_ 6.表格超连接列传递参数
@/~41\=e <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
qe0@tKim <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
{=kA8U /#HY-b 7.表格点击改变颜色
!&X}?NK if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
L/shF}< {
CUoMB r e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
nt7ui*k this.style.color=’buttontext’;this.style.cursor=’default’;");
sfH|sp }
0&Qn7L ($-o"y"x 写在DataGrid的_ItemDataBound里
?tBEB5 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|tmD`ndO {
ky*-_ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
#nnP.t m this.style.color=’buttontext’;this.style.cursor=’default’;");
][9M_. e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
nt4> 9; }
+IU]=qS $`i&\O2* @$aCUJ/mE 8.关于日期格式
IV\@GM:ait s)> ]'ii 日期格式设定
SFuzH)+VO DataFormatString="{0:yyyy-MM-dd}"
tNtP+v-{ X|b~,X%N 我觉得应该在itembound事件中
'tOo0Zgc e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Pai{?<zGi b"J(u|Du` 9.获取错误信息并到指定页面
FQ[::*- 0tA+11Iu 不要使用Response.Redirect,而应该使用Server.Transfer
B^oXUEOImq % 'P58 e.g
z E{.oi // in global.asax
*Owq_)_(| protected void Application_Error(Object sender, EventArgs e) {
UO</4WJ if (Server.GetLastError() is HttpUnhandledException)
3)=$BSC% Server.Transfer("MyErrorPage.aspx");
D[<8(~VP !j- 7, //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Fw=-gb_. }
xi-^_I <K)^MLgN Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
")TI,a` )y8$-"D(it 10.清空Cookie
s+4G`mq>* Cookie.Expires=[DateTime];
5}1c Np6@ Response.Cookies("UserName").Expires = 0
rZ^DiFR ,cS|fG 11.自定义异常处理
>XA#/K //自定义异常处理类
N3E=t#n using System;
.
a~J.0co using System.Diagnostics;
sLCL\dWT " #JRw namespace MyAppException
#T+%$q [: {
DBOz<| /// <summary>
.@R{T3=Q /// 从系统异常类ApplicationException继承的应用程序异常处理类。
h:l\kr|9 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
2;A].5>l /// </summary>
,]>Eg6B,u public class AppException:System.ApplicationException
)wAqaG_d {
&B[$l`1 public AppException()
-\LB>\;qn {
#b:8-Lt:M if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
D=e&"V a }
TfMuQ i'> WJ=^r@Sf public AppException(string message)
NoV2<m$ {
4"0`J LogEvent(message);
%3Y&D] }
6kHAoERp iN_G|w[d public AppException(string message,Exception innerException)
Riw#+#r]/ {
o XA*K.X< LogEvent(message);
U$qSMkj6RK if (innerException != null)
}9jy)gF*e {
\acjv|] LogEvent(innerException.Message);
Uq7 y4zJ }
+oeO0 }
w$pBACX [CJ&Yz Ji //日志记录类
EI]NOG 0 using System;
']>@vo4kK{ using System.Configuration;
J
v'$6[? using System.Diagnostics;
z6$W@-Vd using System.IO;
_"=Y j3?G% using System.Text;
x?T/=C using System.Threading;
G=(F-U;* rj<r6 namespace MyEventLog
5|";L&` {
MJb!+E+ /// <summary>
RD<l<+C^~ /// 事件日志记录类,提供事件日志记录支持
UuW" /// <remarks>
Ydh]EO0' /// 定义了4个日志记录方法 (error, warning, info, trace)
h0L*8P`t /// </remarks>
8v_HIx0xu /// </summary>
B<x)^[ <v public class ApplicationLog
tGe|@.! {
g!i\AMG? /// <summary>
V07e29w /// 将错误信息记录到Win2000/NT事件日志中
BJwPSKL /// <param name="message">需要记录的文本信息</param>
t=Tu-2,k /// </summary>
6*le(^y` public static void WriteError(String message)
)k{zRq:d {
S8^W)XgC; WriteLog(TraceLevel.Error, message);
1
@tVfn} }
Y[#i(5w "8>*O;xk /// <summary>
5Z,^46J /// 将警告信息记录到Win2000/NT事件日志中
?dY}xE
/// <param name="message">需要记录的文本信息</param>
9U^jsb<St> /// </summary>
aj85vON1` public static void WriteWarning(String message)
e}D#vPaSY {
XzIhFX6 WriteLog(TraceLevel.Warning, message);
G BV]7. }
tgKmCI ,~p'p) /// <summary>
VD#`1g< /// 将提示信息记录到Win2000/NT事件日志中
|W<wPmW_{+ /// <param name="message">需要记录的文本信息</param>
-=I*{dzly /// </summary>
B>Mr/' public static void WriteInfo(String message)
p
eQD]v {
Tj$D:xKf) WriteLog(TraceLevel.Info, message);
2'$p( }
zVFz}kJa /// <summary>
UB|f{7~& /// 将跟踪信息记录到Win2000/NT事件日志中
a`|&rggN /// <param name="message">需要记录的文本信息</param>
J.N%=-8 /// </summary>
8HS1^\~(6l public static void WriteTrace(String message)
VnAJOR7lrx {
tT>~;l%' WriteLog(TraceLevel.Verbose, message);
T1.`*,t)= }
9l5l"Wj& ^(r?k_i/ /// <summary>
Yh\}
i /// 格式化记录到事件日志的文本信息格式
0.Pd,L( /// <param name="ex">需要格式化的异常对象</param>
OB
FG!.) /// <param name="catchInfo">异常信息标题字符串.</param>
7g^= /// <retvalue>
OQIQ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
O'a
Srjl /// </retvalue>
=yJJq=! /// </summary>
N&n2\Y public static String FormatException(Exception ex, String catchInfo)
Ze[ezu {
\#Ez["mD
StringBuilder strBuilder = new StringBuilder();
%{Ez0XwGCn if (catchInfo != String.Empty)
S7vT= {
df; -E strBuilder.Append(catchInfo).Append("\r\n");
u2,V34b- }
Gqvj strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
}%Dsy2:y return strBuilder.ToString();
BuII|j }
Nz %{T |}P4Gr}6 /// <summary>
`'H"|WsT /// 实际事件日志写入方法
{B8W>>E /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
K6d9[;F /// <param name="messageText">要记录的文本.</param>
(P&~PJH /// </summary>
-*t4(wT|j private static void WriteLog(TraceLevel level, String messageText)
AX!YB'm- {
Uax[Zh[Cg try
[R:\ {
`],'fT|,S EventLogEntryType LogEntryType;
&>y[5#qOl switch (level)
\q(DlqTqs {
H}5zKv.T case TraceLevel.Error:
{fW(e?8) LogEntryType = EventLogEntryType.Error;
/X>Fn9mM break;
/2Q@M> case TraceLevel.Warning:
m08:EXP LogEntryType = EventLogEntryType.Warning;
?UuJk break;
gx~79;6 case TraceLevel.Info:
;dgxeP;mp LogEntryType = EventLogEntryType.Information;
#
Un>g4>Rh break;
3}V`]B#a case TraceLevel.Verbose:
@LZ'Qc
}@ LogEntryType = EventLogEntryType.SuccessAudit;
uSh!A break;
GAG=4g default:
oU[Ba8qh LogEntryType = EventLogEntryType.SuccessAudit;
y8=p;7DY break;
{YnR]|0& }
n%GlOKC p(dJf&D EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
*;b.x" //写入事件日志
z9OhY]PPF eventLog.WriteEntry(messageText, LogEntryType);
/3`#ldb%} FrXFm+8
F }
;T6{J[
h catch {} //忽略任何异常
C":i56 }
`D)ay } //class ApplicationLog
6M^P]l }
evOyTvc qOOF]L9r%u 12.Panel 横向滚动,纵向自动扩展
MR:GH.uM: <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
mqxgrb7 T4MB~5,i 13.回车转换成Tab
~gU.z6us <script language="javascript" for="document" event="onkeydown">
>b9nc\~ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
]*b}^PQM^ event.keyCode=9;
)Lt|]|1B{ </script>
~a@O1MB 1 ?X(q onkeydown="if(event.keyCode==13) event.keyCode=9"
@n<y[WA L,G{ t^j 14.DataGrid超级连接列
Ucnj7>+" DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
wV\;,(<x=% qIE e7;DO 15.DataGrid行随鼠标变色
xe ng`! private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
zGKDH=Yy ; {
5cLq6[uO if (e.Item.ItemType!=ListItemType.Header)
Z|zyO- {
`-qRZh@ E e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
ACQbw)tiv} e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
OT-!n }
m=;0NLs4 }
Mle@.IIT oJ|8~:) 16.模板列
(Ic{C5' <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
%tx~CD <ITEMTEMPLATE>
MR8\'0] <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
z@@w?>* </ITEMTEMPLATE>
Lbb{ z </ASP:TEMPLATECOLUMN>
K5X,J/n O7r<6(q( <ASP:TEMPLATECOLUMN headertext="选中">
9[.vtk\iyH <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
a3}#lY): <ITEMTEMPLATE>
GMc{g <ASP:CHECKBOX id="chkExport" runat="server" />
|.kYomJ </ITEMTEMPLATE>
Hj&mwn] <EDITITEMTEMPLATE>
pPr/r& r <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
rHhn)m </EDITITEMTEMPLATE>
] Tc!=SV </ASP:TEMPLATECOLUMN>
cH$zDm1 />1Ndj 后台代码
(S~|hk^ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
43_;Z| T {
jTVh`d<N //改变列的选定,实现全选或全不选。
:|%dV}j CheckBox chkExport ;
BN!N_r if( CheckAll.Checked)
)Rhy^<xH {
E+XpgR5 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
8)I,WWj {
UuDT=_1Sh chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
m(Hb! RT chkExport.Checked = true;
dOm`p W ^ }
"&jWC }
h4@v.GI else
CE :x;!}cd {
Co e
q< foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
3@u<Sa {
GE+%V7 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
$@
/K/" chkExport.Checked = false;
b-sbR R }
1<Vc[p& }
vfb~S~|U6g }
B(}u:[
b^S i1ph{;C 17.数字格式化
&V.ps1 bj6-0` 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Ie 3
F <%#Container.DataItem("price","{0:¥#,##0.00}")%>
H)XHlO^ 45cMG~]p int i=123456;
\5g7_3,3W string s=i.ToString("###,###.00");
%;5AF8# c OyTE d5\3 18.日期格式化
lZyxJDZ A t- Rp_2t 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
HS1Gy/6' ;Od;q]G7L 显示为: 2004-8-11 19:44:28
a3o4> 9 hg8gB8Xq 我只想要:2004-8-11 】
K \?b6;ea <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
vj?v7 ^1d"Rqtv 应该如何改?
QBi&Q%p iy o+U]=q*|)$ 【格式化日期】
1PwqWg-\\ ]<3$Sx_{y 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
qEd!g,Sx AEjkqG4qv 【日期的验证表达式】
Vq7L:,N9 9C-!I, A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
-8-BVU ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
XS!mtd<q h-"c
)?p B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
B?}ZAw> ^\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]))$
wd4wYk\ h/9{E:ML 【大小写转换】
.gmNE$d HttpUtility.HtmlEncode(string);
JN5<=x5r HttpUtility.HtmlDecode(string)
_ZgIm3p0A GWs[a$| 19.如何设定全局变量
99T_y`df nxzdg5A(w Global.asax中
C^uH]WO &p\fdR4e Application_Start()事件中
zbL!q_wO idL6 *%M 添加Application[属性名] = xxx;
~b}@*fq 8FY.u{93 就是你的全局变量
c*+yJNm3> Q}G'=Q]Juz 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
aL63=y MMs#Y1dH HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
3q*y~5&I Z<@Kkbj 【ASPNETMENU】点击菜单项弹出新窗口
A aLj.HR "^A4 !. 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
fJ!i%</V <?xml version="1.0" encoding="GB2312"?>
d8 1u <MenuData ImagesBaseURL="images/">
f<.43kv@ <MenuGroup>
d
]LF5*i <MenuItem Label="内参信息" URL="Infomation.aspx" >
5B+>28G% <MenuGroup ID="BBC">
EYc, "' <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
"tuBfA+f <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
11Kbj`sRZ ......
|RUx)& hr%O 4&sa 最好将你的aspnetmenu升级到1.2版
\k?uh+xl %vPs38Fks 21.读取DataGrid控件TextBox值
:r^c_Ui foreach(DataGrid dgi in yourDataGrid.Items)
=*Z=My}3~ {
WB S~e TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
>YPC&@9
tb.Text....
}{Y)[w#R }
<I.anIB:U m2o*d$Ke 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
klC;fm2C ["|' f 〖思归〗
#*^vd{fl <asp:TemplateColumn HeaderText="数量">
\79KU <ItemTemplate>
voRr9E*n <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
cP[3p: onkeyup="javascript:DoCal()"
*2O4 *Q1 />
F.P4c:GD hX#s3)87 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
g?V>+oMx </ItemTemplate>
J 00<NRxj" </asp:TemplateColumn>
2UYtFWB9o >t2E034_ <asp:TemplateColumn HeaderText="单价">
sjOyg!e <ItemTemplate>
(17%/80-J <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
/ d
S! onkeyup="javascript:DoCal()"
QG\lXY, />
%x_c2 %GUu{n<6 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
\VmqK&9 8D[8(5 </ItemTemplate>
Jd_w:H. </asp:TemplateColumn>
h>v;1QO9D s^KUe%am0 <asp:TemplateColumn HeaderText="金额">
HC,YmO:df" <ItemTemplate>
1
h(oty2p <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
V"n0"\k, </ItemTemplate>
I(fq4$ </asp:TemplateColumn><script language="javascript">
O!+LM{>
F function DoCal()
M7"I]$|\ {
V>}@--$c-r var e = event.srcElement;
]PVPt,c var row = e.parentNode.parentNode;
k|W =kt$ P var txts = row.all.tags("INPUT");
'LZF^m _<< if (!txts.length || txts.length < 3)
b#h?O} return;
Uq/#\7/rL !4uTi [e var q = txts[txts.length-3].value;
f(.@]eu
X var p = txts[txts.length-2].value;
reml|!F-) Sfc0 ~1 if (isNaN(q) || isNaN(p))
T1bPI/ return;
wD>tR
SW SX)giQLU q = parseInt(q);
c)8V^7=Q p = parseFloat(p);
&0*l=!:G^ }J}a;P4 txts[txts.length-1].value = (q * p).toFixed(2);
c-z2[a8 }
-L>\ 58` </script>
WN9< %=x|.e@J Y%9S4be uN bOtA IWeQMwg 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。
@/}{Trmg/ page_load
l!f/0Rx5 page.smartNavigation=true
"&/:"~r P 3uAS 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 ?
*_d+c G private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
WjZJQK {
t1p} for(int i=0;i<e.Item.Cells.Count-1;i++)
v)@EK6Nty if(e.Item.ItemType==ListItemType.EditType)
frS1<+ {
<VV./W8e9 e.Item.Cells.Attributes.Add("Width", "80px")
xq_%|p}y }
hNB;29r~ }
.$b]rx7$~ e*_8B2da 26.对话框
%+oWW5q7 private static string ScriptBegin = "<script language=\"JavaScript\">";
dsP|j(y private static string ScriptEnd = "</script>";
|K?fVL `j*&F8} public static void ConfirmMessageBox(string PageTarget,string Content)
Ko6tp9G {
Z qX U string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
fq/F|c Bb[%?~
E! ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
^_b+o ,j
wU\xo`C Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
>E^?<}E~. ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
<apsG7(7 //Response.Write(strScript);
8[i#x|`g }
vQ=W<>1 \a+F/I$hwa 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
$|.x !sA j"o`K}C 1.1 取当前年月日时分秒
J 2%^%5&0 currentTime=System.DateTime.Now;
|M|'S~z !!&H'XEJV 1.2 取当前年
Ggy_
Ctu int 年= DateTime.Now.Year;
(gBP`*2 ]Po9a4w# 1.3 取当前月
X}'3N'cbkU int 月= DateTime.Now.Month;
@O+yxGA }h<\qvCcU 1.4 取当前日
8[(eV. int 日= DateTime.Now.Day;
E>Ukxi1 )t={+^Xe 1.5 取当前时
kvs^*X''Ep int 时= DateTime.Now.Hour;
\&]M \ Db\.D/76 1.6 取当前分
NL&(/72V int 分= DateTime.Now.Minute;
N'R^S98x ?RGL0`Lg 1.7 取当前秒
GutH}Kz"& int 秒= DateTime.Now.Second;
yA*~O$~Y 2|F.J G^ 1.8 取当前毫秒
P\;lH"9 int 毫秒= DateTime.Now.Millisecond;
B&A4-w v [dFxW6n 28.自定义分页代码:
XOzPi*V** [oOZ6\?HB 先定义变量 :
P(G$@},W public static int pageCount; //总页面数
B9|!8V public static int curPageIndex=1; //当前页面
ghd~p@4 h!56?4,%Y 下一页:
y
%Get if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
qgrRH' {
=]E(iR_& DataGrid1.CurrentPageIndex += 1;
I=l() ET= curPageIndex+=1;
6gwjrGje\ }
#*q`/O5n P,!si# bind(); // DataGrid1数据绑定函数
I9N?zmH =Z_\8qc 上一页:
L~A"%T,/h if(DataGrid1.CurrentPageIndex >0)
T[>h6d {
,GXwi|Y DataGrid1.CurrentPageIndex += 1;
&H,5f# curPageIndex-=1;
qa#Fa)g* }
6FG h=~{3, t
),~w,7(J bind(); // DataGrid1数据绑定函数
Cl[ '6Lk o!L1Qrh 直接页面跳转:
`;WiTE)&) int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Z `O.JE /%}+FMj if(a<DataGrid1.PageCount)
3B/ GcltfM {
QE}S5#_" this.DataGrid1.CurrentPageIndex=a;
/,$;xt-J35 }
gbwKT`N* DbJ:KQ!* bind();
.g DWv 4][m!dsU 29.DataGrid使用:
t5N@z 84)$ CA+NX 添加删除确认:
3v;o`Em& private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
??12
J# {
~\4l*$3(^ foreach(DataGridItem di in this.DataGrid1.Items)
)v;>6( {
('Wo#3b$ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
q7mqzMDk {
& S_gNa ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
,kuJWaUC@ }
.Br2^F }
VJBVk8P }
ZT4._|2 AuHOdiJ 样式交替:
"o#"u[W, ListItemType itemType = e.Item.ItemType;
epj]n=/}[ 7!w@u6Q if (itemType == ListItemType.Item )
J}EQ_FC"$ {
{,.1KtrSN e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
,)'!E^n e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
pSkP8'
? }
im9 B=D else if( itemType == ListItemType.AlternatingItem)
/XS6X {
'?t]iRCeI7 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
QZef= e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
i0 {pm q }
x68J [; jm lG>rf*ei~ 添加一个编号列:
#9O
*@ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
u$[
'}z0: DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
GZ/.eYE l>h%J,W for(int i=0;i<dt.Rows.Count;i++)
c.6u)"@$ {
r Efk5R dt.Rows["number"]=(i+1).ToString();
Ks@S5:9sp }
Fzh%#z0
r!V#@Md DataGrid1.DataSource=dt;
U`K5 DZ~ DataGrid1.DataBind();
uzG<(Q pu 1c~c_Cc4 DataGrid1中添加一个CheckBox,页面中添加一个全选框
\2-!%i, private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
kLMg|48fdI {
}cgEC- foreach(DataGridItem thisitem in DataGrid1.Items)
)52:@=h*l {
'e02rqip{ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
HKv:)h{? }
QW6F24 }
dr^pzM!N dm,7OQ 将当前页面中DataGrid1显示的数据全部删除
:-.R*W foreach(DataGridItem thisitem in DataGrid1.Items)
|!8[Vg^Wh {
jC
,foqL if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
wfM$JYfI {
@!'Pr$` string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
c_}i(HQ Del (strloginid); //删除函数
jIK*psaV }
YKf,vHau }
T({:Y. A; /u!I2DF 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)
Z}f$KWj h|yv*1/| 在Application_Start中添加以下代码:
G^p>fy~ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
Xw`vf7z* AppSettings["ConnStr"].ToString();
@cAv8iK {,*G}/9< 31. 变量.ToString()
;nji< !EF~I8d\] 字符型转换 转为字符串
go m<V?$ 12345.ToString("n"); //生成 12,345.00
Dk&cIZ43 12345.ToString("C"); //生成 ¥12,345.00
);@Dr!H 12345.ToString("e"); //生成 1.234500e+004
x%B^hH;W 12345.ToString("f4"); //生成 12345.0000
~Lhq7;=H?O 12345.ToString("x"); //生成 3039 (16进制)
~l}rYi>g% 12345.ToString("p"); //生成 1,234,500.00%
yY4*/w7*j4 e{:P!r
aM 32、变量.Substring(参数1,参数2);
d,iW#, (
Z\OqG 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);
5,I'6$J
@JT9utct 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
5(1Zj`>' <SCRIPT language="javascript">
Ul^/Dh <!--
Z*.fSmT8) function gook(pws)
R3d>|`) + {
T2Z;)e$m_ frm.submit();
]G1{@r) }
apF!@O^}y //-->
zAC 9'o!9_j </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
cE/7B'cR <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
<(6@l@J|6 <tr>
7_.z3Km: <td>
/'QNlP[L; <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
.UakO,"z <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
rhMsZ={M <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
IQMk : A@j;H| <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
Um)0jT <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
N)lzX X w}G2m)( </td>
6%JKY+n^ @L {x; </tr>
M]!R}<]{ as)2ny! u </form>
{0q;:7Bt 8;4vr@EV 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。
Pqo_+fL+ S+R<wv,6 下面是获取用户输入的登陆信息的代码:
vpFN{UfD string name;
j,80EhZ name=Request.QueryString["EmailName"];
hc5M)0d &}nU#)IX try
}5RfY| ; {
i^G/)bq int a=name.IndexOf("@",0,name.Length);
J<p<