1. 打开新的窗口并传送参数:
[s{r$!Gl gJ5wAK+? 传送参数:
bV$8
>[` response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
3$N %iE6 ^jha:d 接收参数:
9c^skNbS string a = Request.QueryString("id");
B >u,) string b = Request.QueryString("id1");
D<bU~Gd,P .D,?u"fk| 2.为按钮添加对话框
hK39_A- Button1.Attributes.Add("onclick","return confirm(’确认?’)");
W`u$7k]$ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
=Etwa |5~wwL@LW7 3.删除表格选定记录
f']sU/c= int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
<L/M`(:=k string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
XK%W^a*x Q5y
q"/=[a 4.删除表格记录警告
e-iYJ? private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
,V33v<|wc {
J7ktfyQ0W switch(e.Item.ItemType)
#5-A& {
L)/6kt= case ListItemType.Item :
S*CLt case ListItemType.AlternatingItem :
x\`RW3 K case ListItemType.EditItem:
|rxKCzjm TableCell myTableCell;
dF{6>8D=5B myTableCell = e.Item.Cells[14];
tCbr<Ug LinkButton myDeleteButton ;
0ck&kpL:9 myDeleteButton = (LinkButton)myTableCell.Controls[0];
eMN+qkvH myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
lj EB break;
(3ZvXpzvF default:
/1 US, break;
b~/Wnp5 }
AJ\VY;m7F J&63Z }
}2Cd1RnS x[PEn 5.点击表格行链接另一页
q8?=*1g private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
,TF<y#wed {
#juGD9e //点击表格打开
7sud/*+F if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
rkfQr9Vc e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
9V=<| 2 }
8>Du d<^_w!4X} 双击表格连接到另一页
}%!FMXe Lf^5Eo/
5A 在itemDataBind事件中
JlC<MQ? if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
J[}gku?C; {
M)"]$TM string OrderItemID =e.item.cells[1].Text;
!K3i-zY ...
gH{:`E k7 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
wi\z>'R }
Y_[g_ 5ys#L&q'Z 双击表格打开新一页
oUQGLl!V if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
iN<(O7B; {
G-\<5]k] string OrderItemID =e.item.cells[1].Text;
[i(Cl} ...
pXPqDA e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
s?^,iQ+tp }
m\6SG' X =$b-xsmeG ★特别注意:【?id=】 处不能为 【?id =】
09 6.表格超连接列传递参数
@A
[)hk&(R <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
M5']sdR(l <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
w~<FG4@LU -l-AToO4 7.表格点击改变颜色
GFdZ`i if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
ZR/R'prW {
ATMc`z:5T e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
6Cl+KcJH this.style.color=’buttontext’;this.style.cursor=’default’;");
v]WH8GI }
x*unye7
Z $!C= 写在DataGrid的_ItemDataBound里
M MAAHo if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
?_VRfeztw {
*he7BUO e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
#04{(G|~+E this.style.color=’buttontext’;this.style.cursor=’default’;");
,'FD}yw4v e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
$Q8P@L)[ }
Hs[}l_gYn M0O>Ljo4RN C!!mOAhJ 8.关于日期格式
H9%l?r5 [urH a 日期格式设定
)UR1E?' DataFormatString="{0:yyyy-MM-dd}"
#mgA/q?A KU+( YF$1 我觉得应该在itembound事件中
d@-wi%,^ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
7'_nc!ME Sdgb#?MR| 9.获取错误信息并到指定页面
/K_ i8!y :~t<L%tYF 不要使用Response.Redirect,而应该使用Server.Transfer
qPsyqn?Y| UG6M9 e.g
xe(MHNrj // in global.asax
so} l# protected void Application_Error(Object sender, EventArgs e) {
;e&! if (Server.GetLastError() is HttpUnhandledException)
>W8bWQ^fK Server.Transfer("MyErrorPage.aspx");
{V[Ha~b%* mYjf5 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
5\VxXiy0 }
%z1{Kus 65lOX$*{- 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
pz$_W c`-YIz)W 10.清空Cookie
pAENXC\, Cookie.Expires=[DateTime];
(tJ91SBl Response.Cookies("UserName").Expires = 0
Qn*6D [/?c@N, 11.自定义异常处理
v-ThdE$G# //自定义异常处理类
EtGH\?d~] using System;
?Rlgv5P! using System.Diagnostics;
2[.5o z` R @"`~#$$ namespace MyAppException
)j\r,9<K+5 {
0[lS(K /// <summary>
?^U c= /// 从系统异常类ApplicationException继承的应用程序异常处理类。
BApa^j\? /// 自动将异常内容记录到Windows NT/2000的应用程序日志
`Gf{z%/ /// </summary>
SLSF
<$ public class AppException:System.ApplicationException
GL/ KB {
YjFWC!Qj$ public AppException()
{n\6BTs {
;JYoW{2 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
m6-76ma,hi }
NvcHv7, 9KXym } public AppException(string message)
QS\Uq(Ja\ {
^,Xa IP+[ LogEvent(message);
60'6/3 }
_~PO s){Q&E~X public AppException(string message,Exception innerException)
7O:"~L {
5KK{%6#f\ LogEvent(message);
"rVU4F) if (innerException != null)
T4eWbNSs {
kr#I{gF LogEvent(innerException.Message);
~fBex_.o* }
j13riI3A }
oK)[p!D?0{ &%6NQWW //日志记录类
fO#?k<p using System;
,pn)> using System.Configuration;
Z^<Sj5}6 using System.Diagnostics;
rmoJ
=.' using System.IO;
#7+]%;h using System.Text;
I:nI6gF using System.Threading;
WI6(#8^p >ZX|4U[$P namespace MyEventLog
jSB'>m] {
1ADv?+j)A/ /// <summary>
;:U<ce= /// 事件日志记录类,提供事件日志记录支持
O'OFz}x), /// <remarks>
+Jdm#n?_ /// 定义了4个日志记录方法 (error, warning, info, trace)
Gp,'kw"I /// </remarks>
/0
_zXQyV /// </summary>
(oF-O{ public class ApplicationLog
|Hfl&3 {
=C#*!N73 /// <summary>
`T=1<Tw c /// 将错误信息记录到Win2000/NT事件日志中
$}db /hY* /// <param name="message">需要记录的文本信息</param>
9T$u+GX' /// </summary>
Jns/v6 public static void WriteError(String message)
]Ym=+lgi {
+ZX.1[O WriteLog(TraceLevel.Error, message);
Y3<b~!f }
I
:@|^PYw `&H04x"Y$> /// <summary>
@O'I)(To /// 将警告信息记录到Win2000/NT事件日志中
q4+Yv2e
<r /// <param name="message">需要记录的文本信息</param>
w?_`/oqd| /// </summary>
OMvT;Vgg public static void WriteWarning(String message)
ac|/Y$\w {
.wD>Gs{sH[ WriteLog(TraceLevel.Warning, message);
4j^bpfb, }
e9lOk)`t %;tJQ%6-.S /// <summary>
&5d\~{; /// 将提示信息记录到Win2000/NT事件日志中
/w0w*nH /// <param name="message">需要记录的文本信息</param>
,aWCiu} /// </summary>
pD[pTMG@$ public static void WriteInfo(String message)
QhsVIta {
-8/ JP
WriteLog(TraceLevel.Info, message);
rfc|`*m}0 }
K>$qun?5 /// <summary>
/eb-'m /// 将跟踪信息记录到Win2000/NT事件日志中
!O 8.#+ /// <param name="message">需要记录的文本信息</param>
IhfZLE., /// </summary>
HJ",Sle public static void WriteTrace(String message)
=6fB*bNk] {
~{$L9;x WriteLog(TraceLevel.Verbose, message);
.+HcA x{/2 }
a>w~FUm* )O&z5n7t4s /// <summary>
@gEr+O1K( /// 格式化记录到事件日志的文本信息格式
UG # X/%p /// <param name="ex">需要格式化的异常对象</param>
{l@WCR /// <param name="catchInfo">异常信息标题字符串.</param>
n_}aZB3;U /// <retvalue>
T=>vh*J /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
6m@0;Ht /// </retvalue>
Mb1wYh /// </summary>
\+9;!VWhl public static String FormatException(Exception ex, String catchInfo)
JL``iA {
l/QhD?)9 StringBuilder strBuilder = new StringBuilder();
&y\igX1 if (catchInfo != String.Empty)
(Igu:= {
L0xsazX:x strBuilder.Append(catchInfo).Append("\r\n");
9OfU7_m }
K'V 2FTJI strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
cl_TF[n? return strBuilder.ToString();
7VY8CcL }
x%pRDytA onib x^Fcd /// <summary>
NN mM#eB:4 /// 实际事件日志写入方法
~U3Seo } /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
w{r8kH /// <param name="messageText">要记录的文本.</param>
Cg^:jd /// </summary>
]);NnsG private static void WriteLog(TraceLevel level, String messageText)
^obC4( {
; [FLT:$ try
op.d;lO@ {
ly=a>}F_ EventLogEntryType LogEntryType;
H#`8Ey switch (level)
mqw 84u {
\C7q4p?8 case TraceLevel.Error:
zIm-X,~I$ LogEntryType = EventLogEntryType.Error;
pZjpc#*9N break;
=9<$eLE0 case TraceLevel.Warning:
7DZTQUb" LogEntryType = EventLogEntryType.Warning;
Z vRxi&Z{? break;
ntZ~m case TraceLevel.Info:
"[.ne)/MC LogEntryType = EventLogEntryType.Information;
F 3s?&T)[G break;
Mt=R*M}D0 case TraceLevel.Verbose:
?<6@^X" LogEntryType = EventLogEntryType.SuccessAudit;
c$A@T~$ break;
-"tY{}z default:
kP?_kMOx LogEntryType = EventLogEntryType.SuccessAudit;
qlvwK&W<QM break;
TL@mM }
}^ ,q#' =JxFp,
Xr EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
O"iak //写入事件日志
MyFCJJ/ eventLog.WriteEntry(messageText, LogEntryType);
_ Mn6 L= }uiPvO+&p }
a
ea0+,; catch {} //忽略任何异常
mrqaM2,(I }
V:>`*tlh } //class ApplicationLog
d' OGVN }
\447]<u 8)?_{ 12.Panel 横向滚动,纵向自动扩展
4DM*^=9E <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
d- kZt@DL= OpUA{P 13.回车转换成Tab
Y;eoTJ <script language="javascript" for="document" event="onkeydown">
Tyd
h9I if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
6]ZO'Nwo event.keyCode=9;
JqSr[q </script>
0
u2Ny&6w +A\V ) onkeydown="if(event.keyCode==13) event.keyCode=9"
q :8\e _Jy,yMQ^[_ 14.DataGrid超级连接列
K~3Ebr DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
R[Nbtbv9Q 5*1#jiq 15.DataGrid行随鼠标变色
P63
(^R private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
%qi%$ {
'$6PTa if (e.Item.ItemType!=ListItemType.Header)
&mdB\Y?^ {
s~Gw e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
URQ@=W7 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
*(Ro;?O,pi }
7_%2xewV| }
LD_M 3
P /ao<A\KR 16.模板列
o3\,gzJ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
9rS,? <ITEMTEMPLATE>
z<h|#@\ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
/GN4I!LA </ITEMTEMPLATE>
(!-;T </ASP:TEMPLATECOLUMN>
Km"&mT $ {G%3*=?,j <ASP:TEMPLATECOLUMN headertext="选中">
#D0W7a <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
ib; yu_ <ITEMTEMPLATE>
0Az/fzJlz <ASP:CHECKBOX id="chkExport" runat="server" />
^Et,TF\ </ITEMTEMPLATE>
8W$L:{ez <EDITITEMTEMPLATE>
H `5Ct <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
8t=3 </EDITITEMTEMPLATE>
l=NAq_?N\ </ASP:TEMPLATECOLUMN>
bQj`g2eyM Bj=@&; 后台代码
T]uKH29.% protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
`-u7 I {
J'Gm7h{
//改变列的选定,实现全选或全不选。
gi1j/j7 CheckBox chkExport ;
Oq}ip if( CheckAll.Checked)
[Xq<EEb {
gb(#DbI foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Bj8<@~bX:L {
+(y>qd chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
_Fxe|"<^ chkExport.Checked = true;
03F3q4" }
s-%J5_d f }
sJv`fjf%8 else
:P,2K5]y {
P=Puaz5&{ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
fyrd`R {
(7L/eDMT chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
cd+^=esSO chkExport.Checked = false;
0-GKu d }
{(!)P }
Pt(tRH B }
#//
%&k Z'e\_C 17.数字格式化
cyBW0wV1 g<\>; }e 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
w?S8@|MK <%#Container.DataItem("price","{0:¥#,##0.00}")%>
d EIa=e| #'8)u)! int i=123456;
6i-*N[!U string s=i.ToString("###,###.00");
u uSHCp
F3 Y<ZbxT 18.日期格式化
{6:&
%V 3;A$<s 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
nd;O(s; kU1 %f
o 显示为: 2004-8-11 19:44:28
7JS#a=D# y
qkX:jt 我只想要:2004-8-11 】
7PA=)a\ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
"*t6t4/Q A6Q c;v+ 应该如何改?
JSRg?p\ v4D!7t&v" 【格式化日期】
s.KOBNCFa \6i9q= 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
jceHKl L\YZT|
K( 【日期的验证表达式】
%UBPoq jzQ I>u A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
;AltNGcM ^((\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})))?$
A(NEWO O/$ v69: B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
9\:w8M X' ^\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]))$
DP0Z*8Ia 3<3t;&e 【大小写转换】
Z@u ;Z[@ HttpUtility.HtmlEncode(string);
]o `4Z" HttpUtility.HtmlDecode(string)
kR_E6Fl m
EFWo 19.如何设定全局变量
[?|5oaK pj+tjF6Np Global.asax中
4L!e=>as"1 PYaOH_X. Application_Start()事件中
}^Z< dbt t:disL&!E 添加Application[属性名] = xxx;
6kC)\uy `u$24h'! 就是你的全局变量
A>5S] ;2BPPZ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
f)WPOTEY pRmE ryR(U HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
sY_fq.Z WFXx70n 【ASPNETMENU】点击菜单项弹出新窗口
${e -ffyy ijg,'a~3E 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
kr6:{\DU:B <?xml version="1.0" encoding="GB2312"?>
|NXFla <MenuData ImagesBaseURL="images/">
ypxC1E <MenuGroup>
S;BP`g<l= <MenuItem Label="内参信息" URL="Infomation.aspx" >
IG>>j} <MenuGroup ID="BBC">
CO7CNN <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
)|Jr|8 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
,I=O"z>9 ......
6B
/Jp Z"+(LO! 最好将你的aspnetmenu升级到1.2版
RBPYGu'6B c'SM>7L 21.读取DataGrid控件TextBox值
/1U,+g^O> foreach(DataGrid dgi in yourDataGrid.Items)
aQC7 V !v {
E|\3f(aF TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
V`U/'N-ay tb.Text....
b\H/-7< }
/oB K&r[( H_v/}DEG 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
gr[D!D> i;gw=Be 〖思归〗
-g~iE]x6Y <asp:TemplateColumn HeaderText="数量">
:LG}yq^ <ItemTemplate>
YK7gd|LR] <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Ed4_<: onkeyup="javascript:DoCal()"
5QNBB|X@ />
/\Jc:v#Q -0/=k_q_ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
{3jm%ex </ItemTemplate>
@
$9m>6V </asp:TemplateColumn>
@b4b{d5[ 65 NWX8f} <asp:TemplateColumn HeaderText="单价">
J*/$ywI <ItemTemplate>
;I[. <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
P^i6MZ? onkeyup="javascript:DoCal()"
V>DXV-%&C />
9
<y/Wv Uzy;#q <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
*vEU}SxRuv lrM.RM96 </ItemTemplate>
\z<ws&z3`$ </asp:TemplateColumn>
}Z<D^Z~w r@\,VD6J <asp:TemplateColumn HeaderText="金额">
3ZLr"O1l ) <ItemTemplate>
DX7Ou%P,mg <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
8s\8`2= </ItemTemplate>
x A@|I# </asp:TemplateColumn><script language="javascript">
qFB9,cUqh function DoCal()
b6
J2*;XG {
Tey,N^=ek var e = event.srcElement;
Q5T(;u6 var row = e.parentNode.parentNode;
Nu>sp,|A var txts = row.all.tags("INPUT");
+F#=`+V if (!txts.length || txts.length < 3)
2X
qPZ]2g return;
17?NR\Q 7]R6 var q = txts[txts.length-3].value;
1==P.d( var p = txts[txts.length-2].value;
N4[B:n ayB=|*Q" if (isNaN(q) || isNaN(p))
_:/Cl9~ return;
\3J+OY 77Q4gw~2U q = parseInt(q);
.N'%hh p = parseFloat(p);
5M/%%Ox x0N-[//YV txts[txts.length-1].value = (q * p).toFixed(2);
TPV6$a < }
11^ {WF </script>
{m1t~ S 'M]CZ} NXC~#oG ^Y1AeJ$L E1mI Xd;. 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。
HY@kw>I page_load
8,Q.t7v page.smartNavigation=true
Fj4l %= 8=!rnJCav 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 ?
3(Hj7d7'} private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
P"[ifsp {
)j)y5_m for(int i=0;i<e.Item.Cells.Count-1;i++)
VyBJIzs0 if(e.Item.ItemType==ListItemType.EditType)
M9ter& {
sWqPw}/3> e.Item.Cells.Attributes.Add("Width", "80px")
tIg CF? }
$Sc08ro }
KBUAdpU8 83p$!8]u 26.对话框
s~IA},F,\ private static string ScriptBegin = "<script language=\"JavaScript\">";
5,G<}cd private static string ScriptEnd = "</script>";
~Sn5;g8+\ Ynk><0g6 public static void ConfirmMessageBox(string PageTarget,string Content)
,& \&::R {
d6Q :{!Sd" string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
8_sU8q*s V@5 4k*V ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
vh:UXE lm pU'`9fLi_ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
ZipK;!9by ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
VLwJ6?.f' //Response.Write(strScript);
&j
wnM }
*;ZW=%M O #uaGziFf 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
OmoplJ+ pE YrmC 1.1 取当前年月日时分秒
qx#ghcU currentTime=System.DateTime.Now;
80R=r +lXdRc`6 1.2 取当前年
qAuUe=w%p int 年= DateTime.Now.Year;
s\3Z?zm8 ux/[d6To 1.3 取当前月
A+bubH, int 月= DateTime.Now.Month;
2=Vkjh- uV*f[l 1.4 取当前日
>k&lGF<nl int 日= DateTime.Now.Day;
eW }jS/g` s K$Sar 1.5 取当前时
D3ZT'' int 时= DateTime.Now.Hour;
iX9[Q0g=oQ "cz]bCr8 1.6 取当前分
F~uA-g int 分= DateTime.Now.Minute;
^QHMN 7r/ u0 'pR#
m| 1.7 取当前秒
KWZNu&)
int 秒= DateTime.Now.Second;
8t^;O! +lf@O&w 1.8 取当前毫秒
wTgx(LtH int 毫秒= DateTime.Now.Millisecond;
Vms7
Jay /i]=ndAk 28.自定义分页代码:
F6neG~Y {H7$uiq3:B 先定义变量 :
KH 6n3 \= public static int pageCount; //总页面数
7HR%rO?' public static int curPageIndex=1; //当前页面
7=M'n;!Mh A)`fD
%+ 下一页:
ED =BZR if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
6u]OXPA| {
80l3.z,: DataGrid1.CurrentPageIndex += 1;
vCH v curPageIndex+=1;
1H2u,{O }
KI?1(L yrvSbqR bind(); // DataGrid1数据绑定函数
A5>gLhl7 SUFaHHk@/b 上一页:
m} FCe if(DataGrid1.CurrentPageIndex >0)
O.40^u~ {
9Av- ;!] DataGrid1.CurrentPageIndex += 1;
~?8x0 curPageIndex-=1;
4 *2>R8SX~ }
TQxc?o
M$-(4 0 bind(); // DataGrid1数据绑定函数
yKk,); G4`sRaT. 直接页面跳转:
"=5vgg3 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
OmUw.VH Zn=JmZ if(a<DataGrid1.PageCount)
`a1R "A {
vEee/+1? this.DataGrid1.CurrentPageIndex=a;
A"T. nqB^y }
#}]il0d 3E2.v5* bind();
%?{2uMfq-f 2*",{m 29.DataGrid使用:
h/y} -r2qIt 添加删除确认:
6s"bstc{ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
*]UEF_ {
. L6@Rs foreach(DataGridItem di in this.DataGrid1.Items)
y7L4jO9h {
:aFpz6< if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
p-03V"^& {
bJMcI8` ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
ST[1'T+L }
#,9TJ:~N }
o4
OEA)k)= }
Y
Z2VP j!8+|eAkk 样式交替:
{,mRMDEy ListItemType itemType = e.Item.ItemType;
v}*u[GWl] w!9W Cl]9M if (itemType == ListItemType.Item )
"l;8
O2;g {
xTawG?"D e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
>yHnz?bf@ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
!?-5hh1\ }
+Q#Qu0_
else if( itemType == ListItemType.AlternatingItem)
_w,0wn9N$ {
Ak-7}i e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
>mDubP e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
s/&]gj" }
&^D@(m7>{K ~E|V{z% 添加一个编号列:
GpQF* x DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
EYD{8Fw- DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
fvfVBk# o 0
#]EMr for(int i=0;i<dt.Rows.Count;i++)
U$JIF/MO_ {
-$|X\#R dt.Rows["number"]=(i+1).ToString();
R3!vS+5rR }
< 3+&DV-<N DWxh{h"> DataGrid1.DataSource=dt;
M[N.H9 DataGrid1.DataBind();
z7pXpy \ Z!l!3(<G.f DataGrid1中添加一个CheckBox,页面中添加一个全选框
2}C>{*}yQ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
J0W).mD_H {
TK?+O}v-]! foreach(DataGridItem thisitem in DataGrid1.Items)
cQ ;Ry!$ {
8t
\> ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
A|OC?NZY }
b1^Yxe#L }
f0bV]<_9 S&)
>w5*]U 将当前页面中DataGrid1显示的数据全部删除
O!+5As foreach(DataGridItem thisitem in DataGrid1.Items)
* CGdfdxW {
&_hCs![ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
=9@yJ9c- {
'*Mb
.s" string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
mnaD KeA Del (strloginid); //删除函数
ga9:*G!b{) }
O9&:(2'f }
Z_WTMs:x! wz)9/bL 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)
8mddI ?bDae%>.d, 在Application_Start中添加以下代码:
(uc)^lfX Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
F@K;A%us) AppSettings["ConnStr"].ToString();
;@s~t:u fR;_6?p*B 31. 变量.ToString()
]7
mSM B;je|M!d 字符型转换 转为字符串
X_@@v|UF 12345.ToString("n"); //生成 12,345.00
zm"g,\.d 12345.ToString("C"); //生成 ¥12,345.00
<]qd9mj5 12345.ToString("e"); //生成 1.234500e+004
tX}S[jdq 12345.ToString("f4"); //生成 12345.0000
DA@hf 12345.ToString("x"); //生成 3039 (16进制)
/ {~h?P} 12345.ToString("p"); //生成 1,234,500.00%
l;kZS P;/wb/ 32、变量.Substring(参数1,参数2);
%-|q3 ^s bu9&sQ; 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);
wcT6d?*5 0J</`/g H 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)
B;_3IHMO <SCRIPT language="javascript">
$zi\ /Yw <!--
SnU{ZGR>sP function gook(pws)
0 d]G {
^ w1R"qE"m frm.submit();
2` qXDfD` }
0Ch._~Q+20 //-->
BQg]$Tr? gP%! </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
@!O{>` <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
X0TGJ,yW( <tr>
|%;txD <td>
aC 0Jfo <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
X6 cb#s0| <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
b<7qmg3 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
3<V!y&a #_\~Vrf(# <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
A@'W $p?5r <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
2oASz| @'4D9A </td>
r!iuwE@ h!GixN? </tr>
~C
x2Q4E "ukbqdKD </form>
gv-k}2u_ s'4p+eJ 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
KIJ[ cIw Hm*#HT%# 下面是获取用户输入的登陆信息的代码:
;d40:q< string name;
c Zr4 name=Request.QueryString["EmailName"];
Z.JTq~`I KZNyp%q try
_AHVMsz@ {
:[3\jLrc int a=name.IndexOf("@",0,name.Length);
c*Nbz,: f_user.Value=name.Substring(0,a);
T7'$A!c f_domain.Value=name.Substring(a+1,name.Length-(a+1));
)_?$B6hf,& f_pass.Value=Request.QueryString["Psw"];
;v\n[ }
VRt*!v<") cqp#1oM4M catch
] plC {
RoZV6U~ Script.Alert("错误的邮箱!");
8{u01\0} Server.Transfer("index.aspx");
M czWg }