1. 打开新的窗口并传送参数:
|(rTz!!- bF? { 传送参数:
=BBDh`$R response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
8=j_~&* |kkg1M# 接收参数:
A$o ?_ string a = Request.QueryString("id");
&13#/ string b = Request.QueryString("id1");
,c[f/sT\ ^es/xt 2.为按钮添加对话框
TllIs&MCe Button1.Attributes.Add("onclick","return confirm(’确认?’)");
O\)rp!i button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
A \~tr <5l!xzvw 3.删除表格选定记录
,{{Z) "qaH int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
C(5B/W6 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
4$jb-Aw "9yQDS: 4.删除表格记录警告
hIMD2 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
M\dZxhQ-l {
>^
M=/+<c switch(e.Item.ItemType)
y4N=v{EbL {
<>^otb,e$ case ListItemType.Item :
lAx^!#~\ case ListItemType.AlternatingItem :
+(J{~A~ case ListItemType.EditItem:
SHP_ TableCell myTableCell;
ER*Et+> myTableCell = e.Item.Cells[14];
`'M}.q,k~ LinkButton myDeleteButton ;
wx)Yl1C myDeleteButton = (LinkButton)myTableCell.Controls[0];
\>r<z46x myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
>TZyax<: break;
t5jZ8&M5] default:
/|2 hW`G break;
8iwqy0< }
<46fk* Y+UM> }
eU.HS78 6$*ZH* 5.点击表格行链接另一页
z\?cazQ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
8.4+4Vxh {
OMVK\_oXo //点击表格打开
dUL3UY3 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
=dTsGNz e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
!`?*zf }
t^-yK;`?q: .YcI . 双击表格连接到另一页
F~tT5?+ yUzpl[*e^o 在itemDataBind事件中
2[R{IV8e if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
f|X./J4Bl {
vTY+J$N__ string OrderItemID =e.item.cells[1].Text;
dwAFJhgh ...
(:2,Rr1" e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
z}:|is)? }
L#^'9v}Hb {(,[ 双击表格打开新一页
1"5-doo if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
x O~t {
V)8d1S string OrderItemID =e.item.cells[1].Text;
/?wH1 , ...
<Fa]k'<^) e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
J` J^C }
ni$S@0 -$js5Gx1 ★特别注意:【?id=】 处不能为 【?id =】
EgT2a 6.表格超连接列传递参数
ZH<:YOQ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
^ A`@g4! <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
O8drR4Pt SuU_psF
7.表格点击改变颜色
zrg#BXj7
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
_b8?_Zq {
5_MqpCL e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
M{ mdh\ this.style.color=’buttontext’;this.style.cursor=’default’;");
E8=8OX/{Y }
u'BuZF
:"4Pr/}rT 写在DataGrid的_ItemDataBound里
c{dge/2yb if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
8(EK17rE` {
6.!Cm$l e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
cnR.J
this.style.color=’buttontext’;this.style.cursor=’default’;");
B8'e,9 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
"5,tEP! }
`Y~EL? <[eE5X( oS/cS)N20 8.关于日期格式
N=QeeAI}}m @rO4BTi>O 日期格式设定
y(!YN7_A DataFormatString="{0:yyyy-MM-dd}"
P~5[.6gW )Uv lEG'] 我觉得应该在itembound事件中
@1w9!\7Vt e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
e)WpqaI 5 B lptC 9.获取错误信息并到指定页面
^}gQh# K2u$1OKv 不要使用Response.Redirect,而应该使用Server.Transfer
e /4{pe+, c3>#.NP_ e.g
B4 cm_YGE // in global.asax
"|6#n34 protected void Application_Error(Object sender, EventArgs e) {
q@}eYQ=P|e if (Server.GetLastError() is HttpUnhandledException)
]}~[2k. Server.Transfer("MyErrorPage.aspx");
;;2Yfn'`9 .9< i //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
i8\&J. }
wm$1LZ8o-` ?5A!/`E&% Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
f"=1_*eH MMZdF{5@G 10.清空Cookie
B|~tW21 Cookie.Expires=[DateTime];
{q[l4_ Response.Cookies("UserName").Expires = 0
`Eijy3>h Tw!]N%E 11.自定义异常处理
>0W:snNK //自定义异常处理类
o<hT/ P using System;
u7oHqo` using System.Diagnostics;
dsx'l0q 'i VZ`L-P$AF namespace MyAppException
YR2Q6}xR {
J 5Nz< /// <summary>
S+d@RMdes /// 从系统异常类ApplicationException继承的应用程序异常处理类。
0jlwL /// 自动将异常内容记录到Windows NT/2000的应用程序日志
hpxqL%r /// </summary>
aP%2CP~_ P public class AppException:System.ApplicationException
rHir>
p {
| Vtd!9 public AppException()
m@r+M"!R {
]pZxbs&Vb if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
^=H. .pr }
SxHj3,`#C [/s^(2% public AppException(string message)
vgc#IEx@ {
B>hC8^.S|w LogEvent(message);
8Rgvb3u }
(o!v,=# 6{ ],lrT0_cT public AppException(string message,Exception innerException)
t(O{IUYM {
`kn 'RZR LogEvent(message);
oJcDs-! if (innerException != null)
.o(XnY)cgJ {
s)=fs#% LogEvent(innerException.Message);
(8(7:aE$ }
Hl,.6>F? }
H8V${&!ho _%M5
T //日志记录类
9!u=q5+E using System;
|a(%a43fC using System.Configuration;
_&Hq`KJm using System.Diagnostics;
E^:8Jehq using System.IO;
7r`A6 \
! using System.Text;
K8sgeX| using System.Threading;
na;U]IK v&hQ;v namespace MyEventLog
YceX) {
:N \j@yJK /// <summary>
? 1OZEzA! /// 事件日志记录类,提供事件日志记录支持
/B$9B /// <remarks>
`aj;FrF /// 定义了4个日志记录方法 (error, warning, info, trace)
7X
h'VOljB /// </remarks>
Op&i6V}<s /// </summary>
h&$7^P public class ApplicationLog
td:GZ % {
kEH(\3,l /// <summary>
h|=<I)}z /// 将错误信息记录到Win2000/NT事件日志中
X=i^[?C /// <param name="message">需要记录的文本信息</param>
qUH02"z@9 /// </summary>
YEL,TU public static void WriteError(String message)
PdUlwT?8C {
:x36^{7 WriteLog(TraceLevel.Error, message);
p)5j~Nl }
W| z
djb Zc_%hQf2A /// <summary>
i8F^ N= /// 将警告信息记录到Win2000/NT事件日志中
kZ&|.q1zki /// <param name="message">需要记录的文本信息</param>
cmpT_51~O /// </summary>
qq%\ public static void WriteWarning(String message)
\`H"4r[?( {
HN/ %(y WriteLog(TraceLevel.Warning, message);
v"y0D }
0b)^#+ FT*OF 3 /// <summary>
]SqLF!S(= /// 将提示信息记录到Win2000/NT事件日志中
,]1oG=`3v /// <param name="message">需要记录的文本信息</param>
^sLnKAN /// </summary>
:L~{Q>o public static void WriteInfo(String message)
pzX684 {
B0_[bQoc1 WriteLog(TraceLevel.Info, message);
IFrq\H0 }
%\5wHT+) /// <summary>
3#{{+5G /// 将跟踪信息记录到Win2000/NT事件日志中
83 O+`f /// <param name="message">需要记录的文本信息</param>
{u3eel /// </summary>
lzJ[ `i. public static void WriteTrace(String message)
8VbHZ9Q {
AS 5\X.%L* WriteLog(TraceLevel.Verbose, message);
_|VWf 8?\ }
*Y4h26 I9sx*' /// <summary>
|T!^&t /// 格式化记录到事件日志的文本信息格式
,QDS_u$xi& /// <param name="ex">需要格式化的异常对象</param>
r-27AJu /// <param name="catchInfo">异常信息标题字符串.</param>
LaI( /// <retvalue>
/%E l0X /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
gk"0r\Eq /// </retvalue>
L*;XjacI] /// </summary>
4 1w*<{Lk public static String FormatException(Exception ex, String catchInfo)
<78]OZ] Z {
'S_kD! BO StringBuilder strBuilder = new StringBuilder();
wz!a;]agg if (catchInfo != String.Empty)
^tWt"GgC {
-8sm^A>C strBuilder.Append(catchInfo).Append("\r\n");
K+3dwQo }
>C6wm^bl strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
0FA
N9u2 return strBuilder.ToString();
`t0?PpUo }
!$ $|zB% hD~P)@^ /// <summary>
-JL /// 实际事件日志写入方法
m7zx,bz> /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
ooJ ^8L /// <param name="messageText">要记录的文本.</param>
oSmv
(O /// </summary>
tc go
'V private static void WriteLog(TraceLevel level, String messageText)
$U,`M" {
8vzjPWu try
eY3l^Su1 {
3|$>2IRq EventLogEntryType LogEntryType;
1!u}~E_ switch (level)
',?9\xEB {
Q
o}&2m case TraceLevel.Error:
e-$U .cx LogEntryType = EventLogEntryType.Error;
%+PWcCmn break;
J.
]~J|K case TraceLevel.Warning:
:K%{?y LogEntryType = EventLogEntryType.Warning;
9fk@C /$ break;
#[.vfG case TraceLevel.Info:
'qGKS:8 LogEntryType = EventLogEntryType.Information;
Y2&>;ym! break;
czMu<@c [ case TraceLevel.Verbose:
h/h`?vWu LogEntryType = EventLogEntryType.SuccessAudit;
8.Q;o+NU break;
R5`"~qP- default:
"qEi$a&] LogEntryType = EventLogEntryType.SuccessAudit;
zdDn.
vG break;
aq~g54 }
)` nX~_'p ]= 2wQ8 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
QPe+K61U //写入事件日志
]B;GU eventLog.WriteEntry(messageText, LogEntryType);
Ka[@-XH (TufvHC }
\Y)pm9! catch {} //忽略任何异常
oY!nM%z/ }
44H#8kV } //class ApplicationLog
13oR-Stj| }
nC^|83 V^O
dTM 12.Panel 横向滚动,纵向自动扩展
[emUyF <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
j, SOL9yg (kpn"]^' 13.回车转换成Tab
zYf`o0U <script language="javascript" for="document" event="onkeydown">
y`"b%P)+T if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
m'Jk!eo event.keyCode=9;
+xqPyR </script>
hFORs.L&G #UR4I2t* onkeydown="if(event.keyCode==13) event.keyCode=9"
%9z N U |meo 14.DataGrid超级连接列
&3x
\wH/_ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
cY+vnQm y %dUry%> 15.DataGrid行随鼠标变色
Fs^d-I private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
"Aw|
7XII {
\;0J6LBc if (e.Item.ItemType!=ListItemType.Header)
?Ji.bnfK {
I(6k.PQ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
!FhK<# e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
0qXkWGB }
G~Xh4*#J }
L8<Yk`jx 3y!yz3E 16.模板列
;Qpp[V` <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
S~WsGLF s <ITEMTEMPLATE>
[m*=Q <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
n\v\<mVTb7 </ITEMTEMPLATE>
:Jp$_T&E </ASP:TEMPLATECOLUMN>
z7+y{-{Z &KfRZ`9H <ASP:TEMPLATECOLUMN headertext="选中">
)|>LSKTEl <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
gi::?ET/. <ITEMTEMPLATE>
\>0F{-cR$ <ASP:CHECKBOX id="chkExport" runat="server" />
pg3B^ </ITEMTEMPLATE>
?!H<V@a <EDITITEMTEMPLATE>
\tc`Aj%K <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
&FrW(>2 </EDITITEMTEMPLATE>
;IhkGPpWP </ASP:TEMPLATECOLUMN>
Fs q=u-= : QJFx/zU 后台代码
tAD{{GW9 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
hJ8|KPgdw {
Vq`i.>%5 //改变列的选定,实现全选或全不选。
"65@8xt== CheckBox chkExport ;
ayfZ>x{s* if( CheckAll.Checked)
o'.6gZ gk {
*&X. foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
@;>TmLs {
uVoM2n?D%^ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
5MJ`B:He+ chkExport.Checked = true;
w7Nb+/,sg }
'>:mEXK}w }
sa\v9 else
xwxMVp`|o {
ybBLBJb foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
XcJ'w {
EK:!.Fl chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
9wLV\>i[k chkExport.Checked = false;
~__]E53F }
y6KI.LWR9 }
tN|sHgs }
YH`/;H=$G/ Gy36{* 17.数字格式化
t0Q/vp*/ ~ei\~;n\@ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
^6v ob <%#Container.DataItem("price","{0:¥#,##0.00}")%>
^ri?eKy.-g )i&9)_ro int i=123456;
v#/Uq?us string s=i.ToString("###,###.00");
Tfc5R;Rw {.9phW4Vr? 18.日期格式化
jRXpEiM y4`<$gL 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
>So)KB z^
+CD- 显示为: 2004-8-11 19:44:28
u/FnA-L4 4VE7%.z+ 我只想要:2004-8-11 】
pfW0)V1t <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
1
O+4A[cr Qg+0(odd 应该如何改?
)%8oE3O# VXvr`U\ 【格式化日期】
;i`X&[y; !pI)i*V| 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
:<d\//5<9 P/._ tQu6 【日期的验证表达式】
y|!%C-P Xui${UYN A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
gkS#=bv9e@ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
<Gzy*1Q& m`UNdFS B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Z~o*$tF/ ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
)AOD~T4s7 ywlN4= 【大小写转换】
7G}vQO HttpUtility.HtmlEncode(string);
0N.tPF} HttpUtility.HtmlDecode(string)
Xr~6_N{J hd1H 19.如何设定全局变量
VAf~,T]Ww l)E
\mo
8 Global.asax中
bL5z%bV Sv.z9@S Application_Start()事件中
:bMCmY XtfO;` 添加Application[属性名] = xxx;
9&5\L @YmD 79 就是你的全局变量
ann!"s_ ^\ &:'$f+8 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Nd/iMV6V; ?iG}Qj@5 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
SV .\B POTW+Zq] 【ASPNETMENU】点击菜单项弹出新窗口
|E-0P=h N!DAn\g 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
NLM ]KT <?xml version="1.0" encoding="GB2312"?>
ay#cW., <MenuData ImagesBaseURL="images/">
-bo2"*|m <MenuGroup>
W;*rSK|(Sc <MenuItem Label="内参信息" URL="Infomation.aspx" >
"/hM& <MenuGroup ID="BBC">
x Yr-,$/ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
{e[S?1t=l <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
l(9$s4R ......
.EVy?-
7\d{F)7E 最好将你的aspnetmenu升级到1.2版
6\4ny 0 9}kN9u 21.读取DataGrid控件TextBox值
BR\%aU$u foreach(DataGrid dgi in yourDataGrid.Items)
+NPk9jn {
dz.]5R TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
iC&=-$vu tb.Text....
HTI1eLZ2 }
c+AZ(6O?\ 1(M0C[P 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
)'\Jp
7*3 L7mN&Xr 〖思归〗
1Nx.aji <asp:TemplateColumn HeaderText="数量">
vTjgW?9 <ItemTemplate>
R|H9AM
~E <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
<5/r onkeyup="javascript:DoCal()"
_Jj/"? />
qie7iE`o YE&"IH]lF <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
"xZ]i) </ItemTemplate>
$*K5 </asp:TemplateColumn>
vP&dvAUF Z$0r+phQk= <asp:TemplateColumn HeaderText="单价">
?*E Y~'I <ItemTemplate>
MK[l*=\s <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
:N^1T6v onkeyup="javascript:DoCal()"
Ken |!rL />
FCQoz"M W^0F(9~!( <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
m_~
p G qAm$yfYs` </ItemTemplate>
k(o[T),_%0 </asp:TemplateColumn>
;OmmXygl {f#{NA5 <asp:TemplateColumn HeaderText="金额">
@B
~![l <ItemTemplate>
sW+YfJT <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
%f\{ ] </ItemTemplate>
k);z}`7 </asp:TemplateColumn><script language="javascript">
q#v.-013r function DoCal()
QRdNi1&M {
$ZYEH var e = event.srcElement;
%0INtq var row = e.parentNode.parentNode;
0m)["g4 var txts = row.all.tags("INPUT");
M$-4.+G if (!txts.length || txts.length < 3)
hxx,E>k return;
_`/0/69 wQ!~c2a<8 var q = txts[txts.length-3].value;
p+;Re2Uyg var p = txts[txts.length-2].value;
L@S"c
( +%X_+9bd if (isNaN(q) || isNaN(p))
93x.b]]" return;
[{N
i94:d qLKyr@\' q = parseInt(q);
u_@%}zo?5* p = parseFloat(p);
yk#yrxM qyUcjc%[ txts[txts.length-1].value = (q * p).toFixed(2);
p*!@z|F>U }
YS?P A# </script>
s8}:8 M
^ZoBsZ Y_>z"T BzF.KCScs 51.F,uY 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。
a\vf{2
page_load
CB_(9T72H page.smartNavigation=true
:tdx: VbM5]UT/ 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 ?
Q6,rY(b6 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
)]J I Q"rR {
jp8=>mk for(int i=0;i<e.Item.Cells.Count-1;i++)
m<8j' [+ if(e.Item.ItemType==ListItemType.EditType)
_XXK1H x {
7EY~5U/4 e.Item.Cells.Attributes.Add("Width", "80px")
\bQ|O7s }
7;;W{W% }
ro@Zbm;P r {)d?Ho= 26.对话框
s7I*=}{g0. private static string ScriptBegin = "<script language=\"JavaScript\">";
j6Jz private static string ScriptEnd = "</script>";
|{PQ0DS `m3@mJ!>\ public static void ConfirmMessageBox(string PageTarget,string Content)
="@W)"r {
MGc=TQ. string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
|rdG+> R|V<2 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
a[";K, 1a_;[.s Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
|GK [I ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
{N)\It //Response.Write(strScript);
:1_hQeq }
aU^>kRGc T~"tex] 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
;T#t)oV k%hD<_:p 1.1 取当前年月日时分秒
{Hp?rY@ currentTime=System.DateTime.Now;
kjNA~{ Zt lS*id_ 1.2 取当前年
]|u}P2 int 年= DateTime.Now.Year;
QIi*'21a+ pC8(>gV<h
1.3 取当前月
enG6T int 月= DateTime.Now.Month;
YL){o$-N"J G8u8&| 1.4 取当前日
^l$(- #'y int 日= DateTime.Now.Day;
YD.3FTNGC {6 #3` 1.5 取当前时
x ?^c:`. int 时= DateTime.Now.Hour;
$nn~K <g*rTqT' 1.6 取当前分
M|n)LyL int 分= DateTime.Now.Minute;
%M}zi'qQ? zNE!m:s 1.7 取当前秒
yqejd_cd int 秒= DateTime.Now.Second;
'Dat.@j LWVO%@)w 1.8 取当前毫秒
w-B\AK?} int 毫秒= DateTime.Now.Millisecond;
v[Q)cqj/ (R6ZoBZ 28.自定义分页代码:
S<Q1
&], <(f4#BP 先定义变量 :
v/m`rc]e public static int pageCount; //总页面数
v~jN,f* public static int curPageIndex=1; //当前页面
~%<PEl| UBqK$2
# 下一页:
.z[+sy_ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
]m4LY.SQ {
*r-Bt1 DataGrid1.CurrentPageIndex += 1;
}\823U
% curPageIndex+=1;
an5Ss@<4AA }
A:D\!5= V ?_%Y<|L bind(); // DataGrid1数据绑定函数
LL[+QcH +ixDB0"\ 上一页:
dH`a|SVW9 if(DataGrid1.CurrentPageIndex >0)
>,] #~d {
ise@,[! DataGrid1.CurrentPageIndex += 1;
PU'v o4 curPageIndex-=1;
V>['~| }
_I8-0DnOM *kKGsy bind(); // DataGrid1数据绑定函数
9txZ6/
Ys<wWfW 直接页面跳转:
QlXy9-oJ" int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
SQ.4IWT(hR 0I#<-9&d- if(a<DataGrid1.PageCount)
0(i`~g5 {
[;?^DAnK2 this.DataGrid1.CurrentPageIndex=a;
I7uYsjh@u }
#5H@/o8!s= piId5Gx7 bind();
Q1jyetk~I ]-}a{z 29.DataGrid使用:
;zCHEz >|iy= Zn%' 添加删除确认:
5=?&q 'i private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
SHGO; {
>N,G@{FR foreach(DataGridItem di in this.DataGrid1.Items)
hCDI;'ls {
Wt`D if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
}!d}febk_ {
xO.7cSqgw ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
$(NfHIX }
~Fx[YPO, }
}`MO}Pz }
l,X;<&-[ Qb|dp~K.M 样式交替:
Kz<xu ulr ListItemType itemType = e.Item.ItemType;
0)/214^& )8<X6 if (itemType == ListItemType.Item )
c8'8DM {
I#Bz
UF e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
NRl"!FSD;" e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
zJsoenU }
/F4:1
} else if( itemType == ListItemType.AlternatingItem)
>u4e:/5] {
l~=iUZW< e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
[qXpi'q[ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
7d<v\=J} }
z=fag'fzM -?]ltn9! 添加一个编号列:
lvN{R{7> DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
u qyf3bK DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
ryT8*}o n (|>7 for(int i=0;i<dt.Rows.Count;i++)
q-RGplx {
|4c==7. dt.Rows["number"]=(i+1).ToString();
e56#Qb@$\ }
[yyV`& wiGwN DataGrid1.DataSource=dt;
]lo1Kw DataGrid1.DataBind();
|H A7 C KF'M4P DataGrid1中添加一个CheckBox,页面中添加一个全选框
&Ch)SD private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
|HEw~x<= {
esHiWHAC
foreach(DataGridItem thisitem in DataGrid1.Items)
Lg?'1dg {
N:<O ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
t#q>U%! }
n>4S P_[E7 }
7X|r';"?i
m7"f6zSo( 将当前页面中DataGrid1显示的数据全部删除
[v`4OQF/ foreach(DataGridItem thisitem in DataGrid1.Items)
+doT^&2u* {
Zb
2 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
l#"alU!<^ {
VMWg:=~$ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
bxN;"{>Xz Del (strloginid); //删除函数
TH|hrL;:8 }
lP
e$AI }
|FFC8R%@]u R]Oy4U,f 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
r83~o/T@ p[)<d_ 在Application_Start中添加以下代码:
/4?`F}7) Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
X W)A~wPBs AppSettings["ConnStr"].ToString();
kut|A a%!XLyq 31. 变量.ToString()
`k&K"jA7$ d]3sC 字符型转换 转为字符串
}#8uXA 12345.ToString("n"); //生成 12,345.00
}/spo3,6 12345.ToString("C"); //生成 ¥12,345.00
GU3/s&9 12345.ToString("e"); //生成 1.234500e+004
udFju&!W 12345.ToString("f4"); //生成 12345.0000
\zU5G#LQ 12345.ToString("x"); //生成 3039 (16进制)
ku?_/-ko] 12345.ToString("p"); //生成 1,234,500.00%
dLf8w>i`T 5@$4.BGcF 32、变量.Substring(参数1,参数2);
>n~p1: $ r%pFq1/'! 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);
$0}bi:7 n*~ 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)
qJU)d <SCRIPT language="javascript">
Jt6J'MOq <!--
.,Qnn}:l function gook(pws)
6# ";W2 {
ok[=1gA#h frm.submit();
&|}IBu :T }
}G+A_HF ^ //-->
gF6j6 `HG19_Z </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
k_<{j0z. <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
g@i>R> <tr>
jHH <td>
6;frIl; <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
]t)M}^w <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
;&6PL]/d <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
^YJA\d@ qYZ7Zt; <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
>JPJ%~y <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
/ 7X dV Hu8atlpo </td>
=veOVv[Q&/ NcBe|qxQ </tr>
NK9WrUj) @:+n6 </form>
](>7h_2B XYHCggy 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。
Mp"ci+Iu KHecc/,,S 下面是获取用户输入的登陆信息的代码:
OI_/7@L string name;
*C@[5#CA2z name=Request.QueryString["EmailName"];
8o7]XZE=) I49l2> try
x56
F {
w<~<(5mM5; int a=name.IndexOf("@",0,name.Length);
(_qBsng: f_user.Value=name.Substring(0,a);
207 O["Y f_domain.Value=name.Substring(a+1,name.Length-(a+1));
%Mng8r f_pass.Value=Request.QueryString["Psw"];
bI]UO) }
R g0
XW6 4ZJT[zi catch
6"Lsui?? {
zz 'dg-F Script.Alert("错误的邮箱!");
O/Mz?$8J Server.Transfer("index.aspx");
nK jeH@ }