1. 打开新的窗口并传送参数:
;
HR\R TZ`]#^kU 传送参数:
p~k`Z^xY$ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
hx2!YNx ! reD[j,i&t. 接收参数:
f%(e,KgW= string a = Request.QueryString("id");
\?p9qR;"4 string b = Request.QueryString("id1");
h}c6+@w&- @$N*lrM2 2.为按钮添加对话框
o
i,g Button1.Attributes.Add("onclick","return confirm(’确认?’)");
&
Q|f *T button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
4)c"@Zf PgGrk5; 3.删除表格选定记录
e!L sc3@ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
%te'J G< string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
ZJ{+_ax0K >cU*D: 4.删除表格记录警告
)f_"`FH0d private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
k[^}ld[ {
4 I]/ switch(e.Item.ItemType)
=Un 6|] {
&<[]X@ bY case ListItemType.Item :
FSXKH {Z case ListItemType.AlternatingItem :
&p(*i@Ms case ListItemType.EditItem:
o@Cn_p^X TableCell myTableCell;
mF$jC:Tb myTableCell = e.Item.Cells[14];
d/-0B<ts LinkButton myDeleteButton ;
X/?h!Y} myDeleteButton = (LinkButton)myTableCell.Controls[0];
rE'
%MiIK myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
]pucv! break;
z;z'`A default:
FC/>L break;
"KQ\F0/ }
3GuMiht5 Y/Gswcz }
!x!L&p *T}dv)8 5.点击表格行链接另一页
6nhfI\q3wY private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
V~%WKQ {
Q& unA3 //点击表格打开
3YZ3fhpw if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
/:c,v- e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
E]e[Ty1 }
i}&mz~ P.2.Ge| 双击表格连接到另一页
B39PDJ]hu {)dEO0 p 在itemDataBind事件中
|^&2zyUj/ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
XP
Iu]F {
%lq7; emtp string OrderItemID =e.item.cells[1].Text;
Fw8X$SE" ...
tg%WVy2 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
My43\p }
xQ(KmP2hl dpOL1rrE 双击表格打开新一页
nR|uAw if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
(>@syF%PB {
e]y=]}A3{ string OrderItemID =e.item.cells[1].Text;
8G^B%h] ...
qI/r_ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
:."n@sA@ }
Dg2#Gv0B Ok.DSOT ★特别注意:【?id=】 处不能为 【?id =】
9.w3VF_C 6.表格超连接列传递参数
vpr@ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
g he=mQ- <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
K=^_Ndz AK\g-]8
7.表格点击改变颜色
_ZE$\5>- if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
sN an" {
sN \}Q#:8 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
nQ(:7PFa' this.style.color=’buttontext’;this.style.cursor=’default’;");
tS.b5$Q }
DB?PS^-2 +^3L~? 写在DataGrid的_ItemDataBound里
o\V4qekk if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
UBk
5O& {
U3R`mHr0 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
:|6D@ this.style.color=’buttontext’;this.style.cursor=’default’;");
1:l&&/Wy e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
dUVTQ18F }
QBT-J`Pz . R8W< vkauX:M 8.关于日期格式
7-0twq
o9SfWErZ 日期格式设定
Q9'V&jm DataFormatString="{0:yyyy-MM-dd}"
l\l]9Z6% 5'L}LT8p@ 我觉得应该在itembound事件中
SvpTs e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
F#C 6.`B U JRT4>G 9.获取错误信息并到指定页面
Sy7^;/(ZZ |Bt x&'m 不要使用Response.Redirect,而应该使用Server.Transfer
/r 2.j3:l U~`^Y8UF e.g
/01(9( // in global.asax
(DaP~*c3cC protected void Application_Error(Object sender, EventArgs e) {
-tdON if (Server.GetLastError() is HttpUnhandledException)
)(
jNd&H Server.Transfer("MyErrorPage.aspx");
l4.@YYzbp. sf&K<C]( //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
lNnbd?D8 }
(Y@|h%1W f(ec/0W Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
F$.s6Hh. n'(n4qH2#s 10.清空Cookie
)ZT0zIG Cookie.Expires=[DateTime];
@T=HcUP) Response.Cookies("UserName").Expires = 0
uN^qfJ'@
> *[/Xhx" 11.自定义异常处理
4]Nr$FY //自定义异常处理类
3ncvM>~g using System;
vM;dPE7 using System.Diagnostics;
qk{UO
< [#h!3d|?B namespace MyAppException
{mr)n3 {
JM4`k8mM /// <summary>
Kpbber /// 从系统异常类ApplicationException继承的应用程序异常处理类。
@<{#v.T /// 自动将异常内容记录到Windows NT/2000的应用程序日志
wI]>0geb* /// </summary>
xI),0db public class AppException:System.ApplicationException
&7nfTc {
/
{bK*A! public AppException()
0'2{[xF {
:1 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
P VW9iT+c }
0r&9AnnWu+ HbVV]y public AppException(string message)
nU#q@p)Xg {
Qvg"5_26v LogEvent(message);
`CUO! 'U }
OmuZ0@. xa^HU~ public AppException(string message,Exception innerException)
q`K-T_< {
?{Z0g+B1 LogEvent(message);
I%WK*AORM if (innerException != null)
H/I`c>Zn {
s3%8W==rBW LogEvent(innerException.Message);
="eum7 }
]ZATER)jq }
JF=ABJ= &H>dE]Hq, //日志记录类
I,uu>- using System;
cCCplL using System.Configuration;
DLM9o3/*J using System.Diagnostics;
'GoeVq using System.IO;
*N+aZV}`Z using System.Text;
q%&7J< using System.Threading;
;;H:$lx 6KTY`'I namespace MyEventLog
>mltE$| {
#I wB /// <summary>
/Day5\Q# /// 事件日志记录类,提供事件日志记录支持
{j@)sDMX /// <remarks>
(6^k;j /// 定义了4个日志记录方法 (error, warning, info, trace)
ZKL%rp_ /// </remarks>
oU5mrS.7M! /// </summary>
E cz"O
public class ApplicationLog
F<WX\q {
a[rUU'8 /// <summary>
bj^m<} /// 将错误信息记录到Win2000/NT事件日志中
uQ1;+P:L /// <param name="message">需要记录的文本信息</param>
*0zH5c /// </summary>
><7`$ 2Or public static void WriteError(String message)
zSXC {
~jTnjx WriteLog(TraceLevel.Error, message);
'$^ F.2 }
J>PV{N >Tx;<G /// <summary>
PFw"ICs /// 将警告信息记录到Win2000/NT事件日志中
)5OU!c /// <param name="message">需要记录的文本信息</param>
1dO8[5uM7a /// </summary>
aH"c0A public static void WriteWarning(String message)
?d)|vX3Uf {
EKD>c$T^ WriteLog(TraceLevel.Warning, message);
Z.(x|Q9 }
C(Y6t1 ;^i,Q} b/ /// <summary>
RV(z>XM /// 将提示信息记录到Win2000/NT事件日志中
F'*&-l /// <param name="message">需要记录的文本信息</param>
{`zF{AW8q /// </summary>
sn#h=,*4` public static void WriteInfo(String message)
Al]9/ML/m {
#|i{#~gxM WriteLog(TraceLevel.Info, message);
4BtdN-T}b }
l
d9#4D[# /// <summary>
pwC/&bu /// 将跟踪信息记录到Win2000/NT事件日志中
#4u; `j"4= /// <param name="message">需要记录的文本信息</param>
zghm2{:`?g /// </summary>
I\23as0q public static void WriteTrace(String message)
ufPQ~,. {
ge8zh/` WriteLog(TraceLevel.Verbose, message);
s30_lddD }
1ouTZ'c? z\5Nni/~6D /// <summary>
TI /// 格式化记录到事件日志的文本信息格式
'a*IZb-M /// <param name="ex">需要格式化的异常对象</param>
_@TTVd /// <param name="catchInfo">异常信息标题字符串.</param>
N8vl<
Mq /// <retvalue>
c.WT5|:qw /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
9U*vnLB /// </retvalue>
0xcqX!( /// </summary>
b4ivWb |` public static String FormatException(Exception ex, String catchInfo)
1hG O*cq! {
BI]t}7 StringBuilder strBuilder = new StringBuilder();
G#v7-&Yl6 if (catchInfo != String.Empty)
d`/{0 :F {
S8,06/# strBuilder.Append(catchInfo).Append("\r\n");
I SmnZ@ }
N';lc:Ah~ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
B)dynGF8i return strBuilder.ToString();
2ZeL }
K_}acU LsV"h< /// <summary>
k:xV[9ev: /// 实际事件日志写入方法
Akf9nT /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
9=f'sqIPV /// <param name="messageText">要记录的文本.</param>
Nj\WvKG /// </summary>
=x}/q4}L private static void WriteLog(TraceLevel level, String messageText)
p]oo^ {
m+"%Jd{q try
{IvCe0` {
]Ox.6BKjDP EventLogEntryType LogEntryType;
ENzeVtw0 switch (level)
\tqAv'jA| {
$u
sU case TraceLevel.Error:
xWm'E2 LogEntryType = EventLogEntryType.Error;
H5{J2M,f break;
cD6o8v4]] case TraceLevel.Warning:
=3p h:t LogEntryType = EventLogEntryType.Warning;
bJD"&h5 break;
\^cn}db) case TraceLevel.Info:
WXL.D_=+ LogEntryType = EventLogEntryType.Information;
nLg7A3[1v break;
m}(DJ?qP case TraceLevel.Verbose:
G#Ow>NJ LogEntryType = EventLogEntryType.SuccessAudit;
0l6%[U?o break;
~Zm(p*\T default:
4`F*] Ft LogEntryType = EventLogEntryType.SuccessAudit;
<k!G%R<9 break;
_p.{|7 }
4E)[<% 9P$'ON'" EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
e1-=|!U7# //写入事件日志
y=Hl ~ev`9 eventLog.WriteEntry(messageText, LogEntryType);
0^4*[?l9q D 4wB
&~U }
J:(l& catch {} //忽略任何异常
67eo~~nUtg }
n'H\*9t } //class ApplicationLog
L%"Mp(gZ }
"e"`Or S}/CzQ 12.Panel 横向滚动,纵向自动扩展
^5+-7+-S <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
d?mdw
?| j;
C(:6#J 13.回车转换成Tab
Nvi14,q/ <script language="javascript" for="document" event="onkeydown">
4C:YEX~ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Q8n?7JB event.keyCode=9;
~gc)Ww0(Q </script>
{~"=6iyj oCrn onkeydown="if(event.keyCode==13) event.keyCode=9"
+l9avy+P( "n:9JqPb 14.DataGrid超级连接列
V4H+m,R DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
@b
zrJ7$ MqqS3
15.DataGrid行随鼠标变色
a#1X)ot private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
AN;?`AM; {
Ub$$wOsf if (e.Item.ItemType!=ListItemType.Header)
h4#5j'RO {
vIJdl2(^E e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
-*EJj>x e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
1\p[mN }
zSO[f }
lVdExR>H QEPmuG 16.模板列
~"N]%Cu <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
3,?y ! <ITEMTEMPLATE>
saV `-# <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
/dqKFxB1 </ITEMTEMPLATE>
vBp5&* </ASP:TEMPLATECOLUMN>
?>_.~b~ 580t@? <ASP:TEMPLATECOLUMN headertext="选中">
=h)H` <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Fmu R(f= <ITEMTEMPLATE>
q)[gVL <ASP:CHECKBOX id="chkExport" runat="server" />
9&tV#=s </ITEMTEMPLATE>
4Zq5 <EDITITEMTEMPLATE>
Xw%z#6l <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
:PLs A3[} </EDITITEMTEMPLATE>
oOlI*/OMb </ASP:TEMPLATECOLUMN>
7~',q"4P/_ r0sd_@Oj 后台代码
Q pX@;j protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
YpL}R# {
xR.Ql> //改变列的选定,实现全选或全不选。
?|33Np) CheckBox chkExport ;
~-6;h.x= if( CheckAll.Checked)
{1Qwwhov {
S92Dvw? foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
}&j&T9oX {
TuU.yvkU chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
/vhh2` chkExport.Checked = true;
ax<0grK }
2'_sGAH }
Rq*m x<HDX else
qfu;X-$4 {
{^qc`oF foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
b?$3jOtW {
r,}Zc W+ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
!|!V}O chkExport.Checked = false;
5s>9v }
A1C@'9R*
}
LF0~H}S;6B }
vV|egmw01 n)0{mDf% 17.数字格式化
)fa Ort\J~O 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
ZG>OT@
GA <%#Container.DataItem("price","{0:¥#,##0.00}")%>
0,c
z&8 ji2#O. int i=123456;
WC4Il
C string s=i.ToString("###,###.00");
FKQnz/ u4"+u"{d 18.日期格式化
W+#?3s[FV @MM|.#
~T 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
+]6 EkZO (|x-> a 显示为: 2004-8-11 19:44:28
DW-LkgfA , QQ:o'I! 我只想要:2004-8-11 】
*<hpq) <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
2Zm*f2$xM fZZ!kea[ 应该如何改?
E'ZWSpP ~ce.&C7cR 【格式化日期】
Q>r Q/V LOA
90.D 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
gO5;hd[l _:gV7>S? 【日期的验证表达式】
1$|z%( +bSv-i - A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
n33SWE( ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
{ys_uS{c* kO.rgW82 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
._yr7uY[M ^\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]))$
0Zq"- HwcGbbX) 【大小写转换】
eAqQ~)8^ HttpUtility.HtmlEncode(string);
l YhwV\3 HttpUtility.HtmlDecode(string)
O<Kr6+
- gW, ET 19.如何设定全局变量
#RSxo
4 XBc+_=)$ Global.asax中
}bHpFe "mOoGy,( Application_Start()事件中
]D%[GO//! ;gc2vDMv 添加Application[属性名] = xxx;
o
ZAjta_4 ;)kBJ @ 就是你的全局变量
2P|-V} ;9 ~vXul`x 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
1eJ\CdI x:2_FoQ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
}O>IPRZ +vuW9 【ASPNETMENU】点击菜单项弹出新窗口
yT>T
Vq/e ;?cUF78# 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
nQ+{1 C <?xml version="1.0" encoding="GB2312"?>
MT*b+&1e <MenuData ImagesBaseURL="images/">
48DsRy <MenuGroup>
k X-AC5] <MenuItem Label="内参信息" URL="Infomation.aspx" >
k >MgrtJI <MenuGroup ID="BBC">
H!A^ MI <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
V>%%2"&C <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
"Vh(%N`6 ......
LU]~d<i99 hImCy9i} 最好将你的aspnetmenu升级到1.2版
v`fUAm/ irm8z|N- 21.读取DataGrid控件TextBox值
6->b(B V
$ foreach(DataGrid dgi in yourDataGrid.Items)
,lUo@+ {
J]N}8 0 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
qdm!]w.G5 tb.Text....
Ia\Nj
_-%L }
.UDZW* b:JOR@O 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?
*dTw$T# 1Zecl);O{ 〖思归〗
p?`N<ykF< <asp:TemplateColumn HeaderText="数量">
,Q:dAe[ZsX <ItemTemplate>
_#+9)*A <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
.{}t[U onkeyup="javascript:DoCal()"
2 rH6ap />
|N g[^ ANNL7Z3C <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
ZO`d </ItemTemplate>
25TEbp[dy </asp:TemplateColumn>
tEeMl =u ?-VN+
d7 <asp:TemplateColumn HeaderText="单价">
cnj_tC=zt <ItemTemplate>
Gnw>%f1@u <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
;~K($_#H onkeyup="javascript:DoCal()"
l>]M^=,&7 />
tY#^3ac xq{4i|d) <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
'=2t(@aC U".-C`4v </ItemTemplate>
c;e,)$)-| </asp:TemplateColumn>
?BRL;( x +!<`$+W <asp:TemplateColumn HeaderText="金额">
W)_B(;$] <ItemTemplate>
k9,"`dk@ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Y}6)jzBV </ItemTemplate>
Xu$*ZJ5w </asp:TemplateColumn><script language="javascript">
aZ^lI
6@+4 function DoCal()
^>"?!lv {
:b=0_<G var e = event.srcElement;
bc ZonS var row = e.parentNode.parentNode;
IIPf5
Z}A var txts = row.all.tags("INPUT");
%(]rc%ry0 if (!txts.length || txts.length < 3)
<(^pHv7Q return;
,i|f8pZ e,BJD>N ? var q = txts[txts.length-3].value;
G pd:k var p = txts[txts.length-2].value;
bcYz?o6 3)ip@29F if (isNaN(q) || isNaN(p))
|j+~Td3})& return;
>"[u.1J_'I YU`{ q = parseInt(q);
YszhoHYh p = parseFloat(p);
26**tB< &td#m"wI txts[txts.length-1].value = (q * p).toFixed(2);
EAfSbK3z }
u|ZO"t </script>
3LmHH
= oMPQkj; 6i4j(P V;V9_qP, \5Jv;gc\\ 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。
p.HA`R> page_load
+D@R'$N page.smartNavigation=true
?,NAihN] oW_WW$+N 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 ?
(nzt}i0 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
x#^kv) {
OrBFe *2y for(int i=0;i<e.Item.Cells.Count-1;i++)
c>g%oE if(e.Item.ItemType==ListItemType.EditType)
W@tLT[}CG {
:-Pj )Y{I e.Item.Cells.Attributes.Add("Width", "80px")
8M|Q^VeT,1 }
,aJrN!fzU }
vEsSqzc 2R!W5gs1< 26.对话框
6yb<4@LOb private static string ScriptBegin = "<script language=\"JavaScript\">";
v^tKT& private static string ScriptEnd = "</script>";
*/)gk=x8 U`Zn*O~/ public static void ConfirmMessageBox(string PageTarget,string Content)
q~3&f {
lySa Jd string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
NSq"\A\ -AE/,@ \P ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
DXt^Ym5Cv 1<83MO; Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
2XtQ"`) ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
eG v"&kr //Response.Write(strScript);
zN1;v6; }
,b4&$W]. 3Z0\I\E 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
X&IY(CX Q?@G>uz 1.1 取当前年月日时分秒
tTgW^&B currentTime=System.DateTime.Now;
if'4MDl H/$q]i*#K 1.2 取当前年
*v+ fkg int 年= DateTime.Now.Year;
zYL^e @ +[ zo2lBx 1.3 取当前月
To`?<]8 int 月= DateTime.Now.Month;
'UxA8i(
{@A2jk\ 1.4 取当前日
Oq5k4 int 日= DateTime.Now.Day;
5 %Gf?LyO V'.|IuN 1.5 取当前时
pB./L&h int 时= DateTime.Now.Hour;
i`qh|w/b_ `2PT 8UM 1.6 取当前分
>=H8>X int 分= DateTime.Now.Minute;
X\%3uPQ :+Kesa:E 1.7 取当前秒
qZh~Ay6I int 秒= DateTime.Now.Second;
[_d*J/ X GN0'-z6Uy 1.8 取当前毫秒
5b,98Q int 毫秒= DateTime.Now.Millisecond;
c &HoS V*}zwms6 28.自定义分页代码:
fsd>4t:"\ `t6L'%\ 先定义变量 :
H[
q{R public static int pageCount; //总页面数
;^]A@WN6_ public static int curPageIndex=1; //当前页面
@ni~ij Ne
4*MwK 下一页:
v%5(- if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
(#]KjpIK
{
@{uc DataGrid1.CurrentPageIndex += 1;
#EUgb7 curPageIndex+=1;
Dfia=1A }
G.8b\E~ qS
al~ bind(); // DataGrid1数据绑定函数
)v~]lk,o -e>)yM `i 上一页:
yxbTcZ if(DataGrid1.CurrentPageIndex >0)
?W_U{=anl {
@g~sgE}# DataGrid1.CurrentPageIndex += 1;
aehMLl9cl curPageIndex-=1;
`'WLGQG }
Kf#!IY][ 5eA]7$ic bind(); // DataGrid1数据绑定函数
W+?[SnHL/ 9DX3]Z\7X 直接页面跳转:
G,*s9P]1 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
ISew]R2 7`HUwu if(a<DataGrid1.PageCount)
B:cOcd?p {
fx:KH:q3 this.DataGrid1.CurrentPageIndex=a;
(N4(r<o; }
'OCo1|iK~ ->=++ bind();
J-F_XKqH >N-% 29.DataGrid使用:
"6Uj:9 i5Q<~;Z+ 添加删除确认:
zi
.,?Q private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
0(x@
NGb>{ {
-^v}T/Kl# foreach(DataGridItem di in this.DataGrid1.Items)
(p=GR# {
(}1f]$V if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
3:lp"C51 {
nX%'o`f ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
EG4bFmcs }
]bb}[#AY }
C}_:K)5q }
Y{RB\}f( MXk. 2 样式交替:
vp-7>Wj ListItemType itemType = e.Item.ItemType;
[oLQd-+
=hIT?Z6A if (itemType == ListItemType.Item )
}c ;um {
!!%[JR)cS e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
+t4m\/y e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
DAHf&/JK }
vqMk)htIz else if( itemType == ListItemType.AlternatingItem)
5KE%@,k k {
M l?)Sc"\7 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
PRC)GP&q e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
/? 1Yf }
L^1q/4${ wS*CcIwj 添加一个编号列:
cu!bg+,zl DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
9Pk3}f)a DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
i03}f%JnuO ^jjJM| a for(int i=0;i<dt.Rows.Count;i++)
E:=KH\2f {
)+4}Ix/q dt.Rows["number"]=(i+1).ToString();
E(kpK5h{ }
SoU'r]k1x iCRw}[[ DataGrid1.DataSource=dt;
IC.<)I DataGrid1.DataBind();
&iy(oM I{e^,oc DataGrid1中添加一个CheckBox,页面中添加一个全选框
vr;Br-8 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
w })Pedg {
xWz;5=7a] foreach(DataGridItem thisitem in DataGrid1.Items)
_ZM9
"<M-X {
"4uUI_E9F; ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
kjC{Zr }
Bi:wP/>v }
oEoJa:h 8pMZ~W; 将当前页面中DataGrid1显示的数据全部删除
`W$0T;MPF foreach(DataGridItem thisitem in DataGrid1.Items)
?En|
_E_C {
[=ak>>8 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
'ag6B(0Z {
dIa(</ } string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
m4U+,|Fa Del (strloginid); //删除函数
WfT)CIKs }
iSz@E&[X }
m2q;^o:J 'h6}cw+K 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
fMEv85@JL aU<D$I 在Application_Start中添加以下代码:
*8X9lv.Z Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
\.;ct AppSettings["ConnStr"].ToString();
=>}.W:= dwbY"t[9 31. 变量.ToString()
d3=6MX[c UoMWn"ZE 字符型转换 转为字符串
W;oU +z^t$ 12345.ToString("n"); //生成 12,345.00
n vpPmc 12345.ToString("C"); //生成 ¥12,345.00
Jv^cOc 12345.ToString("e"); //生成 1.234500e+004
G q:4rG| 12345.ToString("f4"); //生成 12345.0000
hf+/kc!>i 12345.ToString("x"); //生成 3039 (16进制)
_O)2 12345.ToString("p"); //生成 1,234,500.00%
Ms'TC;&PS )
~)SCN>- 32、变量.Substring(参数1,参数2);
j)tCr Py ^Ii \vk 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);
Ik-E4pxKo X]pWvQ Q] 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)
-8Jl4F , <SCRIPT language="javascript">
*- IlF] <!--
#"p1Qea$ function gook(pws)
5Jhbf2- {
?+,*YVT frm.submit();
r5!x,{E6 }
^o6)[_L //-->
SXo[[ao OT}Yr9h4 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
O`[iz/7m <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
yEpN,A <tr>
$mI:Im`s <td>
ZA_zKJ[[7 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
nze1]3` <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
g"!#]LLe <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
,;cel^.b }]g95xT <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
jQxPOl$- <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
,hTwNVWI9 '6.>Wdd </td>
0qL
V(L XAU_SPAjiw </tr>
/,Dwu?Lcqp ]o[X+;Tj| </form>
3:~l2KIP4 y@kcXlY 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。
~ACP%QM= SGBVR ^ 下面是获取用户输入的登陆信息的代码:
"wF
?Hamz string name;
\at-"[. name=Request.QueryString["EmailName"];
ZO%fS'n N(_
.N6 try
z>mZT. {
/nY).lSH int a=name.IndexOf("@",0,name.Length);
e>,9]{N+$ f_user.Value=name.Substring(0,a);
9QOr,~~s f_domain.Value=name.Substring(a+1,name.Length-(a+1));
h8#5vO2 f_pass.Value=Request.QueryString["Psw"];
dE5 5 }
~~xyFT+{F 4C,kA+P catch
X"TUe>cM {
Sqdc1zC Script.Alert("错误的邮箱!");
z{`6# Server.Transfer("index.aspx");
<;z[+6T }