1. 打开新的窗口并传送参数:
%76N$`{u D^P_3
B+ 传送参数:
w~sr2;rp< response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
PNgj 8J4 ZiodJ"r 接收参数:
X<J
NwjM% string a = Request.QueryString("id");
>_h*N H string b = Request.QueryString("id1");
vsg"!y@v 4;8
Z?. 2.为按钮添加对话框
L}CjC>R! Button1.Attributes.Add("onclick","return confirm(’确认?’)");
cMxTv4|wui button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
knZee!FA7
g&;:[&%T] 3.删除表格选定记录
s)W^P4< int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
8E1swH5z string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
3=V79& ,dK<2XP 4.删除表格记录警告
RajzH2j+> private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
+K2jYgy {
Fn4i[|W42 switch(e.Item.ItemType)
G^J|_!.a {
\"i2E! case ListItemType.Item :
RVtb0FL case ListItemType.AlternatingItem :
[_ESR/&N case ListItemType.EditItem:
c*ac9Y'o TableCell myTableCell;
mjG-A8y myTableCell = e.Item.Cells[14];
%c)^8k;I LinkButton myDeleteButton ;
k_.%(ZE myDeleteButton = (LinkButton)myTableCell.Controls[0];
GMRw+z4 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
k8w }2Vw break;
PO5/j default:
'"Q;54S** break;
5
rkIK }
W\gu"g`u hkeOe }
jI!}}K)d W#E-vi+l 5.点击表格行链接另一页
TG'_1m*$ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
`~QS3zq {
GGsDR%U //点击表格打开
sF}T9Ue if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Im
i)YC e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Qp~O!9ph }
m[,!
orq xpt*S~ 双击表格连接到另一页
8W
Mhe=[ V~`
?J6 在itemDataBind事件中
XfmPq'#Z if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
57^X@ra$ {
LC)-aw>- string OrderItemID =e.item.cells[1].Text;
q-O=Em <* ...
.4pWyqU)! e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
|T0jq }
ZAVj q;bq iE>E*!aBg 双击表格打开新一页
e*.l6H/B if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
GV'Y' {
vK
z/-9im string OrderItemID =e.item.cells[1].Text;
mnswGvY ...
chW 1UE e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
y`!~JL* }
}stc]L{79 ~]P_Yd-| ★特别注意:【?id=】 处不能为 【?id =】
#Q}`kFB` 6.表格超连接列传递参数
4%
)I[-sH <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
-R@mnG
5 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
#x!h
BS! 2bwf( 7.表格点击改变颜色
p5&:>> if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
+m kub}<a {
(mIw3d8Tz e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
AdDlS~\? this.style.color=’buttontext’;this.style.cursor=’default’;");
X-O/&WRYQ }
CEjMHP$= $-'p6^5 写在DataGrid的_ItemDataBound里
tb#. Y if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
S,,,D+4 {
[=imF^=3Vb e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
`+cc{k this.style.color=’buttontext’;this.style.cursor=’default’;");
0w}OE8uq e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
D9^.Eg8W }
f]N2(eM
kKwb)i zI77#AUM 8.关于日期格式
8TIc;'bRM d[ (KgX9 日期格式设定
6jT+kq) DataFormatString="{0:yyyy-MM-dd}"
aj;OG^(!2_ *T0{ yI 我觉得应该在itembound事件中
57*`y'CW e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
ib8@U}Vn1 7xidBVx 9.获取错误信息并到指定页面
q_K8vGm4e %7WGodlXW 不要使用Response.Redirect,而应该使用Server.Transfer
*^+8_%;1 mb_*FJB-_ e.g
$|-joY // in global.asax
|9cJO@ protected void Application_Error(Object sender, EventArgs e) {
}_m/3*x_ if (Server.GetLastError() is HttpUnhandledException)
[;yEG$)K Server.Transfer("MyErrorPage.aspx");
p\T.l<p rkOLTi[$ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
YD1
:m3l! }
X,dOF=OJL iX,|;J|] 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
V*HkFT w4w[qxV> 10.清空Cookie
:s|" ZR Cookie.Expires=[DateTime];
|E)-9JSRy Response.Cookies("UserName").Expires = 0
_Eo$V& P5/\*~} 11.自定义异常处理
_s{on/u //自定义异常处理类
kpFt using System;
e7rD,`NiV using System.Diagnostics;
";\na!MT 5{?J5 namespace MyAppException
z.EpRJn {
J eCKnt= /// <summary>
.=rS,Tpo /// 从系统异常类ApplicationException继承的应用程序异常处理类。
n@IpO
i$Q /// 自动将异常内容记录到Windows NT/2000的应用程序日志
^)|8N44O /// </summary>
##Jg>HL' public class AppException:System.ApplicationException
xfYDjf :< {
Bo.< 4P public AppException()
znm3b8ns {
RQ}0f5~t if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
6Ap-J~4 }
d'Cn] < iupuhq$] public AppException(string message)
F2jZ3[P {
xx[XwN; LogEvent(message);
4 XSEN]F }
Y#[jDS(ip @,btQ_'X public AppException(string message,Exception innerException)
oNW5/W2e; {
X.^S@3[ LogEvent(message);
i> }P V if (innerException != null)
UbDRzum {
$2lrP]`>j. LogEvent(innerException.Message);
4O}ZnE1[ }
t.0F }
BC|=-^( [Aqy%mbG //日志记录类
:Y/>] tS4 using System;
6@ B_3y using System.Configuration;
7{0;<@ using System.Diagnostics;
?4 p\ujc using System.IO;
wB%:RI, using System.Text;
,T:Uk*Bj using System.Threading;
z u53mZ jx*jYil namespace MyEventLog
"'Bx<FA {
"N'|N., /// <summary>
prJ]uH, /// 事件日志记录类,提供事件日志记录支持
xLID@9Hbu /// <remarks>
,+LX.f&/8! /// 定义了4个日志记录方法 (error, warning, info, trace)
V $'~2v{_ /// </remarks>
hsYS<] /// </summary>
:xqhPr]e public class ApplicationLog
M.b1=Y {
~MuD`a7#G /// <summary>
s#phs`v /// 将错误信息记录到Win2000/NT事件日志中
aNd6#yU$ /// <param name="message">需要记录的文本信息</param>
A5U//y![{ /// </summary>
t}$WP&XRG< public static void WriteError(String message)
ollJ#i9 {
~<
~PaP$=\ WriteLog(TraceLevel.Error, message);
njhDrwN }
}2@Aj |a||oyrN /// <summary>
&~9'7 n! /// 将警告信息记录到Win2000/NT事件日志中
=~qQ?;on /// <param name="message">需要记录的文本信息</param>
.x6c.Y.S /// </summary>
#J4{W84B public static void WriteWarning(String message)
'E_M,Y {
v2Lx4:dzi WriteLog(TraceLevel.Warning, message);
g"c |%3 }
e+'PRVc zVeQKN9^Z /// <summary>
Xaz`L /// 将提示信息记录到Win2000/NT事件日志中
=t@8Y`9w /// <param name="message">需要记录的文本信息</param>
)Q:.1Hgl /// </summary>
AcRrk public static void WriteInfo(String message)
G3Z>,"w;= {
BC*)@=7fx WriteLog(TraceLevel.Info, message);
;^fGQ]`4 }
j.}@ 9 /// <summary>
_SVIY@K|/ /// 将跟踪信息记录到Win2000/NT事件日志中
)1E[CIaXK /// <param name="message">需要记录的文本信息</param>
\W%Aeg*c /// </summary>
cOhx public static void WriteTrace(String message)
,q[aV 6kO {
\&[Jtv * WriteLog(TraceLevel.Verbose, message);
d'bAM{R> }
aXOW +$, f}1B- /// <summary>
kfb*| /// 格式化记录到事件日志的文本信息格式
VR5CRNBJ /// <param name="ex">需要格式化的异常对象</param>
'r/+za:2 /// <param name="catchInfo">异常信息标题字符串.</param>
]6)~Sj$ 5 /// <retvalue>
Ev%_8CO4e /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
$9~6M* /// </retvalue>
H YA< /// </summary>
U"SH
fI: public static String FormatException(Exception ex, String catchInfo)
,}8|[)" {
F},#%_4 StringBuilder strBuilder = new StringBuilder();
Hj\iI p if (catchInfo != String.Empty)
.N:& {$o: {
9YMD[H\}V strBuilder.Append(catchInfo).Append("\r\n");
bQTkW<7gh }
/"Z6\T9 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
__B`0t return strBuilder.ToString();
oSAO0h>0N }
@
OSSqH -XuRQ_)nG /// <summary>
.zm/GtOV@ /// 实际事件日志写入方法
`]u!4pP" /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
/"q
wC /// <param name="messageText">要记录的文本.</param>
H!H&<71- /// </summary>
4y:pj7h private static void WriteLog(TraceLevel level, String messageText)
^/ "[jq3F {
hN#A3FFo L try
bi:TX<K+ {
Ne!0 `^`~ EventLogEntryType LogEntryType;
\w6A-daD0 switch (level)
?.*^#>- {
k'(d$;Jgr case TraceLevel.Error:
&"_5?7_N LogEntryType = EventLogEntryType.Error;
{jK:hQX break;
c3L)!]kB case TraceLevel.Warning:
@2X{e7+D LogEntryType = EventLogEntryType.Warning;
o+}>E31a break;
o.o$dg(r! case TraceLevel.Info:
w6Owfq'v LogEntryType = EventLogEntryType.Information;
*_qLLJg break;
}{oZdO case TraceLevel.Verbose:
xJNV^u LogEntryType = EventLogEntryType.SuccessAudit;
@Yu=65h break;
>GV(\In default:
)qq5WShMJ LogEntryType = EventLogEntryType.SuccessAudit;
mFGiysM break;
DI>SW%)> }
d?9 b6k? p?6`mH EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
EFk9G2@_ //写入事件日志
)XFaVkQ} eventLog.WriteEntry(messageText, LogEntryType);
I1Jhvyd?$ $FJf8u` }
<< XWL: catch {} //忽略任何异常
Ra!Br6 }
D_)i%k\ } //class ApplicationLog
Yg~$1b@ }
ZcQ@%XY3~ *)8!~Hs 12.Panel 横向滚动,纵向自动扩展
4?u<i=i <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
}Dc7'GZ w>TlM*3D/ 13.回车转换成Tab
Y!1x,"O'H <script language="javascript" for="document" event="onkeydown">
=Z(_lLNmh if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
'ZiTjv] event.keyCode=9;
ab!Cu8~v </script>
F\Z|JCA SQSPdR+ onkeydown="if(event.keyCode==13) event.keyCode=9"
R?Dc*, GN=ugP 9 14.DataGrid超级连接列
X+$IaLfCxD DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
~BbF:DS #X`qkW.T< 15.DataGrid行随鼠标变色
C1M @; private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
.7`c(9< {
Q)s`~G({P if (e.Item.ItemType!=ListItemType.Header)
BYKONZu {
JNx;/6'd, e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
3~ptD5@WF e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
^sP-6 ^ }
"<=HmE-; }
|jhu 02F\1fXS 16.模板列
2 {I(A2 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
yh'P17N|q <ITEMTEMPLATE>
` 0z8J*T] <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
{;2Gl $\r </ITEMTEMPLATE>
D=^|6} </ASP:TEMPLATECOLUMN>
i^Ip+J+[ P2t9RCH <ASP:TEMPLATECOLUMN headertext="选中">
)J>-;EYb8 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
"BvAiT{u <ITEMTEMPLATE>
2zlBrjk; <ASP:CHECKBOX id="chkExport" runat="server" />
aS3Fvk0R{h </ITEMTEMPLATE>
1Y6DzWI <EDITITEMTEMPLATE>
[vNaX%o <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
;) (F4 </EDITITEMTEMPLATE>
ej;\a:JL </ASP:TEMPLATECOLUMN>
#*zl;h1( >S[NI<=8S 后台代码
9l&4mt;+&< protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
;3P~eeQR {
J9V,U;"\ //改变列的选定,实现全选或全不选。
c*N>7IF, CheckBox chkExport ;
XPfheV G if( CheckAll.Checked)
H3Zsm)+: {
J};=)xLX; foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Fs 95^T {
;%YAiW8{Xk chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
(DTXc2)c chkExport.Checked = true;
z <jH{AU }
lWRRB&8 }
p
O O4fc else
C4.g}q {
sqE? U*8.- foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
0<$t9:dq {
nf,u'}psdJ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
~}@cSv'(1 chkExport.Checked = false;
^)i1b:4 }
SMMvRF`7 }
i!7|YAu }
8;q2W
F{AX ZmKxs^5S 17.数字格式化
Og E<bw vNIQ1x5Za 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
YCI-p p <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Pgo^$xn'6 V
3yt{3Or int i=123456;
qP4vH] string s=i.ToString("###,###.00");
6_a~
4_# EpdSsfDP 18.日期格式化
<UE-9g5?G 2J1YrHj3 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
G5hh$Nmpi eW/sPQ- 显示为: 2004-8-11 19:44:28
1@6FV x syB.Z-Cpd 我只想要:2004-8-11 】
2)^gd <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Dqg~g|(Q< G\ m`{jv 应该如何改?
.j l|?o tMOhH
# 【格式化日期】
D%,AdR"m >21f%Z 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
n~C!PXE 3{ FUFx 【日期的验证表达式】
En:/{~9{F tv\_&
({ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
>og-
jz ^((\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})))?$
0hoi=W6AQ U{|WN7Q:A B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
r{
}&* Y ^\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]))$
%DIZgPd\ |x$2-RUP 【大小写转换】
Qk#`e HttpUtility.HtmlEncode(string);
]zUvs6ksLG HttpUtility.HtmlDecode(string)
TBr@F|RXiO HTw7l]] 19.如何设定全局变量
s;!Tz) T$vDw|KSVP Global.asax中
M_Z(+k{Gy (I0QwB Application_Start()事件中
8TV
"9{
n p0b MgP 添加Application[属性名] = xxx;
5* 3T+OK fXfO9{E 就是你的全局变量
l6z}D;4 P(Wr[lH\y 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
x2@W,?oPm U%T{~f HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
bS"zp6Di ~Jlo> 【ASPNETMENU】点击菜单项弹出新窗口
kHx6]< S{7 R6,B5 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
,o68xfdZVW <?xml version="1.0" encoding="GB2312"?>
[_w;=l0 ; <MenuData ImagesBaseURL="images/">
jTE~^ <MenuGroup>
CTh!|mG <MenuItem Label="内参信息" URL="Infomation.aspx" >
EN/e`S$) <MenuGroup ID="BBC">
J0V\_ja- <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
hJkF-yW <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
YIZ+BVa ......
45H(.}&f *r|)@K| 最好将你的aspnetmenu升级到1.2版
C)v*L#{% f>kW\uC 21.读取DataGrid控件TextBox值
i?D
KKjN$ foreach(DataGrid dgi in yourDataGrid.Items)
CF0i72ul5 {
jp|1S^b TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Y>i5ubR~ tb.Text....
b@?pofZ`k }
9aKt (g6 c2fqueK|:W 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?
eA'1 ,,o5hD0V9 〖思归〗
MbJ|6g99 <asp:TemplateColumn HeaderText="数量">
,bnrVa(I <ItemTemplate>
pon0!\ZT= <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
wr{ [4$O onkeyup="javascript:DoCal()"
K! e51P />
,'c?^ $J|z iciw 54;4 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
%FSY}65 </ItemTemplate>
lJ$j[Y </asp:TemplateColumn>
9:1[4o)~ ~
u',Way <asp:TemplateColumn HeaderText="单价">
Tn"/EO^N <ItemTemplate>
T2p;#)dP <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
),;O3:n onkeyup="javascript:DoCal()"
8DO3L
" />
u>-pgu f\]splL <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
9Atnnx]n NR|t~C+ </ItemTemplate>
O=2SDuBZ </asp:TemplateColumn>
l
%M0^d6M JrgpDZ
<asp:TemplateColumn HeaderText="金额">
@24)*d^1 <ItemTemplate>
9zs!rlzQ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
RhQ[hI </ItemTemplate>
3X#)PX9b){ </asp:TemplateColumn><script language="javascript">
3wf&,4`EX function DoCal()
y L|'K} {
<-rw>, var e = event.srcElement;
#yi&-9B var row = e.parentNode.parentNode;
GRq0nhJ var txts = row.all.tags("INPUT");
O[RivHCY if (!txts.length || txts.length < 3)
w_hN2eYo&e return;
6<>T{2b:(p IwJ4K+ var q = txts[txts.length-3].value;
y3{F\K var p = txts[txts.length-2].value;
##_Jz 5P SE;Yb' if (isNaN(q) || isNaN(p))
SoPiEq return;
_dk/SWb) iB0#Z_ q = parseInt(q);
M*n@djL$\~ p = parseFloat(p);
&w7Ev21 *Tyr txts[txts.length-1].value = (q * p).toFixed(2);
66 @#V }
I`-N]sf^ </script>
v"3($?au0 Rt=zqfJ
roNRbA] mNDz|Ln Ap)[;_9BD 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
T2/lvvG page_load
+2?=W1` page.smartNavigation=true
waRK$/b
( ^P p2T 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 ?
Z36C7 kw private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
7 S6@[-E {
&upM,Jsr* for(int i=0;i<e.Item.Cells.Count-1;i++)
c4i%9E+Af if(e.Item.ItemType==ListItemType.EditType)
/t"FZ# {
~8l(,N0 e.Item.Cells.Attributes.Add("Width", "80px")
.`@)c/<0 }
yuA+YZ }
TcEvUZJ" x_VD9 26.对话框
yNc"E private static string ScriptBegin = "<script language=\"JavaScript\">";
14Y<-OO:
k private static string ScriptEnd = "</script>";
@B#\3WNt s.]<r5v7 public static void ConfirmMessageBox(string PageTarget,string Content)
n4%ZR~9WH {
$vjl-1x& string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
MIF`|3$, S;L=W9=wby ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
bpp{Z1/4 K}e:zR;;^ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
ckhU@C|=* ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
E8LA+dKN: //Response.Write(strScript);
F(}~~EtPHo }
;:DDz RJhafUJ zH 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
OPe3p {] )oAx t70 1.1 取当前年月日时分秒
lNRGlTD% currentTime=System.DateTime.Now;
SR8)4:aKW l\t\DX"s_ 1.2 取当前年
-'%>Fon int 年= DateTime.Now.Year;
F)n^pT g:rjt1w`D 1.3 取当前月
0+dc int 月= DateTime.Now.Month;
J<;@RK,c_ d":GsI?3 1.4 取当前日
U_[<,JE int 日= DateTime.Now.Day;
1XXuFa& uw>O|&! 1.5 取当前时
e !2SO*O int 时= DateTime.Now.Hour;
orON)Sks c0aXOG^ 1.6 取当前分
u/_TR;u=q int 分= DateTime.Now.Minute;
"\`>Ll 3Z%~WE;I 1.7 取当前秒
qEJ#ce]G int 秒= DateTime.Now.Second;
=`pH2SJT iKM!>Fi 1.8 取当前毫秒
#AO?<L int 毫秒= DateTime.Now.Millisecond;
eEl71 BL[N 28.自定义分页代码:
CFTw=b@ 9,c_(%C 先定义变量 :
+{h.nqdAE public static int pageCount; //总页面数
SPN5H;{[]K public static int curPageIndex=1; //当前页面
kJ[r.)HU @
Cd#\D| 下一页:
}5]2tH${ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
uEui{_2$ {
{$xt.< DataGrid1.CurrentPageIndex += 1;
m xEniy curPageIndex+=1;
M~eXC }
aM7=> s~'"&0Gz bind(); // DataGrid1数据绑定函数
(J 1:J GTuxMg` 上一页:
nr]:Y3KyxX if(DataGrid1.CurrentPageIndex >0)
VSjt|F)t {
(|9t+KP DataGrid1.CurrentPageIndex += 1;
G$mAyK: curPageIndex-=1;
9_-6Lwj6t }
5_7y 1 Aw$+Ew[8 2 bind(); // DataGrid1数据绑定函数
~J:]cy)Q iu.v8I;< 直接页面跳转:
B?
Z_~Bf& int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
9T#${NK K;Fs5|gFU if(a<DataGrid1.PageCount)
lW|`8ykp {
W+Q^u7K this.DataGrid1.CurrentPageIndex=a;
SxI-pH' }
Q].p/-[( (Cb;=:3G bind();
\"pp-str Mj6
0?k 29.DataGrid使用:
MAQ(PIc>T
35%\"Y? 添加删除确认:
K1$
private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
F}~qTF;H {
vzFo" foreach(DataGridItem di in this.DataGrid1.Items)
6UKZ0~R {
Jo''yrJpB if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
Ji4JP0
{
8I[=iU7]l ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
f]48-X,^6 }
43?uTnX/ }
M;LR$'cP }
@1N.;]| $1 t
IC_ 样式交替:
Vbv)C3ezD ListItemType itemType = e.Item.ItemType;
!nU|3S[b
ub;:"ns} if (itemType == ListItemType.Item )
NHiac(&* {
H1.ktG e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
rS8}(lf e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
ykYef }
-v! ; else if( itemType == ListItemType.AlternatingItem)
YeS5%?Fk {
s}F.D^^G e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
1ixBwnp? e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
}qT{" *SC }
[vqf hpz A{p_I< 添加一个编号列:
I(H9-!& DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Z4oD6k5oc DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
+rJDDIb 7M)<Sv for(int i=0;i<dt.Rows.Count;i++)
E#R1 {
o3$dl`' dt.Rows["number"]=(i+1).ToString();
I0*N
"07n }
GkpYf~\Q n^|SN9_r DataGrid1.DataSource=dt;
l
>~Rzw DataGrid1.DataBind();
=o4gW`\z \%&):OD1 DataGrid1中添加一个CheckBox,页面中添加一个全选框
iURSYR private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
mUy>w {
{53|X=D64 foreach(DataGridItem thisitem in DataGrid1.Items)
8*;>:g {
sJ{r+wY ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
8<Pi}RH }
RN&6z"|jR }
EM(%|# /dO*t4$ @? 将当前页面中DataGrid1显示的数据全部删除
@/,0()* dL foreach(DataGridItem thisitem in DataGrid1.Items)
7g$*K0m` {
+%H=+fJ2} if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
x_ t$* {
V?)YQB string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
eX1_=?$1P Del (strloginid); //删除函数
+|Izjx]ZV }
`A9fanh }
*{,}pK2* 8DX5bB 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
7 0PGbAD m>|7&l_ 在Application_Start中添加以下代码:
<0;G4fE7[H Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
d3\KUR^ AppSettings["ConnStr"].ToString();
BiDyr |ZC'a! 31. 变量.ToString()
T% GR{mp +koW3> 字符型转换 转为字符串
>{l
b|Vx 12345.ToString("n"); //生成 12,345.00
KrR`A(=WL 12345.ToString("C"); //生成 ¥12,345.00
LP !d|X 12345.ToString("e"); //生成 1.234500e+004
3?D{iMRM 12345.ToString("f4"); //生成 12345.0000
m&yHtnt 12345.ToString("x"); //生成 3039 (16进制)
F"cZ$TL] 12345.ToString("p"); //生成 1,234,500.00%
3xN_z?Rg gF`hlYD 32、变量.Substring(参数1,参数2);
Xvk+1:D $&!|G-0' 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
<*+[E!oi ~k%XW$cV 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)
ayh235>a( <SCRIPT language="javascript">
Vw3=jIQN:! <!--
.K1wp G[4 function gook(pws)
FY-eoq0O3 {
9kwiG7V1 frm.submit();
Nv|0Z'M }
f|ERZN`uB //-->
>6Jz=N,
AQ0zsy </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
=J"c'Z>. <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
aK_k'4YTm <tr>
n1aOpz6` <td>
dd6%3L{cn <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
\%B7M]P <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
tt
CC]
Q <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
8)MWC: !@*= b1 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
{6%-/$LX <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
scTt53v^ 6$kh5$[ </td>
|j{]6Nu Sn^M[}we </tr>
t BG
9Mn ;JMmr-@ </form>
d^v.tYM$N k2.k}?w!JO 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。
L4ct2|w}ul yY*(!^S 下面是获取用户输入的登陆信息的代码:
kem(U{m string name;
+md"X@k5* name=Request.QueryString["EmailName"];
<:&{ c-f/ FUZuS!sJ try
R,BINp {
h(GSM'v int a=name.IndexOf("@",0,name.Length);
,b5vnW\ f_user.Value=name.Substring(0,a);
6'x3g2C/ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
g3yZi7b5FU f_pass.Value=Request.QueryString["Psw"];
g_!xD;0 }
; xQhq* nywC]T catch
ep0dT3& {
<r(D\rmD Script.Alert("错误的邮箱!");
];5Auh0o Server.Transfer("index.aspx");
(9=E5n6o }