1. 打开新的窗口并传送参数:
YkVRl [ @%%bRY 传送参数:
T&!ZD2I response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
DUQ9AT#3 CCn/ udp@ 接收参数:
}*Dd/'2+1 string a = Request.QueryString("id");
k5g@myb- string b = Request.QueryString("id1");
oN4G1U
Kc gDMAc/V`l 2.为按钮添加对话框
G6<HO7\ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
v/ eB,p button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
nc-Qz 4u7Cm 3.删除表格选定记录
hk/ + int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
i5Eeg`NMl string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
T 4vogoy ~U/8 @gR 4.删除表格记录警告
gfxoJihE private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
@{'o#EJY {
e{:86C!d) switch(e.Item.ItemType)
7Onk!NH {
\I:UC
% case ListItemType.Item :
>Sh0dFqeT case ListItemType.AlternatingItem :
oy`3r5g case ListItemType.EditItem:
}Z^FEd"y TableCell myTableCell;
QXsfp myTableCell = e.Item.Cells[14];
MkkA{p LinkButton myDeleteButton ;
6|%^pjX5 myDeleteButton = (LinkButton)myTableCell.Controls[0];
f(^33k myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
)_X;9%L7 break;
H&w(]PDh default:
Q3(hK<Qh; break;
FYxUOO }
md.* )~1.<((< }
vM5k4%D /DK*yS 5.点击表格行链接另一页
="/R5fp private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
o]dK^[/* {
'\Qf,%%. //点击表格打开
qxRT1B]{Wx if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
6'S5sRA e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
e!TG< (S }
{ +i; e]c 7Ntjx(b$"h 双击表格连接到另一页
HJnv'^yn wa9'2a1? 在itemDataBind事件中
ZJ;wRd@ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
.;]YJy {
KteZK.+#: string OrderItemID =e.item.cells[1].Text;
aa%Yk"V@ ...
jB}_Slh1j e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
[GcA.ABz }
,ivWVsN*] =e"H1^Ml 双击表格打开新一页
8 /:X&
& if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
V2WUM+`uT {
Dx9$H++6$X string OrderItemID =e.item.cells[1].Text;
S-H-tFy\\ ...
`kaR@t e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
U'f$YVc }
oyi7YRvwd @g@fL % ★特别注意:【?id=】 处不能为 【?id =】
Z&?+&q
r^ 6.表格超连接列传递参数
wN/*|?`Z <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
EhmUX@k], <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
!W+p<F1i i-K"9z|) 7.表格点击改变颜色
-(%ar%~Zd if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
WrIL]kJw^ {
mmpr]cT@'k e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
"(HA9: this.style.color=’buttontext’;this.style.cursor=’default’;");
i-Ge*? }
*Bb|N--jI 7g4M/?H}K 写在DataGrid的_ItemDataBound里
,6%hu|Y* if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
aHVdClD2o {
YokZar2a0 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
=: v>< this.style.color=’buttontext’;this.style.cursor=’default’;");
3_R e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
D-2v>l_ }
priT7! n'0$>Q `K@df<}%*, 8.关于日期格式
y. ivz $jUS[.S_|I 日期格式设定
R|Q_W X
DataFormatString="{0:yyyy-MM-dd}"
'o#J>a~!9L 9$\;voo 我觉得应该在itembound事件中
JPoK\-9NT e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
qk+{S[2j JtrDZ;^@
9.获取错误信息并到指定页面
TJ%]{%F #)h
~.D{ 不要使用Response.Redirect,而应该使用Server.Transfer
7S~9E2N &xiDG=I# e.g
Kt!IyIa;Ht // in global.asax
vxilQp protected void Application_Error(Object sender, EventArgs e) {
z
kX-"}$8 if (Server.GetLastError() is HttpUnhandledException)
5{d9,$%8& Server.Transfer("MyErrorPage.aspx");
5[j!\d}U k1$2a8ja //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
+GPT:\*q6 }
%Dr4~7=7a pJ*#aH[ySP 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
$ DZQdhv rM
>V=|9, 10.清空Cookie
UA!Gr3 Cookie.Expires=[DateTime];
Ignv|TYG Response.Cookies("UserName").Expires = 0
ch,Zk )y:_ |C)UZ4A/p 11.自定义异常处理
moJT8tb //自定义异常处理类
=[)N6XV 3 using System;
w[$nO# using System.Diagnostics;
b\0Q: va/4q+1GfH namespace MyAppException
MkNURy>n& {
j'40>Ct=i /// <summary>
<Ec)m69P /// 从系统异常类ApplicationException继承的应用程序异常处理类。
%d[xr h /// 自动将异常内容记录到Windows NT/2000的应用程序日志
rX>y>{w~ /// </summary>
ZV q public class AppException:System.ApplicationException
<
8 Y<w|Hh {
2bn@:71` public AppException()
">vYEkZ3 {
4wj| if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
hpz*jyh8 }
^3)2]>pW yDkDtO`K public AppException(string message)
61rh\<bn {
*"QE1Fum' LogEvent(message);
>5@vY?QXO }
})0 7u PSQ:' public AppException(string message,Exception innerException)
`)C`_g3Ew {
CpqSn/ LogEvent(message);
v yLAs; if (innerException != null)
v.2Vg {
`Ig2f$} LogEvent(innerException.Message);
5f*'wA }
vsz^B
:j }
b;{"lJ:+Z ?6YUb; //日志记录类
'iISbOM using System;
*JC{G^|Y using System.Configuration;
C.B}Py+
using System.Diagnostics;
WKIiJ{@L using System.IO;
.SV3<) using System.Text;
X@AkA9'fq using System.Threading;
s^?sJUj \y )4`A namespace MyEventLog
PLD'Q,R {
b}L,kT /// <summary>
%FWfiFV|< /// 事件日志记录类,提供事件日志记录支持
(F
' /// <remarks>
8~Hs3\Hp /// 定义了4个日志记录方法 (error, warning, info, trace)
)>M@hIV5> /// </remarks>
'-]BSU /// </summary>
qddT9U|8~ public class ApplicationLog
%V1T!< {
(:HbtrI /// <summary>
O9=H
[b /// 将错误信息记录到Win2000/NT事件日志中
p,u<gJUL /// <param name="message">需要记录的文本信息</param>
KIBZQ.uG /// </summary>
c)!s[o L public static void WriteError(String message)
%3+hz$E {
a={qA4N WriteLog(TraceLevel.Error, message);
I;Fy
k70w; }
/>. X+N iN4'jD^oP /// <summary>
lvJ{=~u /// 将警告信息记录到Win2000/NT事件日志中
I+d(r"N1 /// <param name="message">需要记录的文本信息</param>
s&`XK$p
/// </summary>
hG;=ci3EE public static void WriteWarning(String message)
y'O{8Q8T {
8U:dgXz WriteLog(TraceLevel.Warning, message);
EbYH?hPo }
O#5( U.E /N{@g.edL /// <summary>
<IDzv' /// 将提示信息记录到Win2000/NT事件日志中
0:+uw`
% /// <param name="message">需要记录的文本信息</param>
kBT}Siw /// </summary>
,Y8X"~{A public static void WriteInfo(String message)
h5JwB<8 {
r4ttEJ-jG WriteLog(TraceLevel.Info, message);
zomNjy* }
'CO[s.03 /// <summary>
u\geD /// 将跟踪信息记录到Win2000/NT事件日志中
\J:T] /// <param name="message">需要记录的文本信息</param>
*=9#tYn~ /// </summary>
}<h.
chz, public static void WriteTrace(String message)
/P"\+Qp {
:QL p`s WriteLog(TraceLevel.Verbose, message);
pvU oed\ }
:Sn3|`HDm >@Vr'kg+V /// <summary>
htrj3$q(4 /// 格式化记录到事件日志的文本信息格式
T<?BIQz(} /// <param name="ex">需要格式化的异常对象</param>
+*{5ORq= /// <param name="catchInfo">异常信息标题字符串.</param>
+mOtYfW /// <retvalue>
[IBk-opap /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
@CI6$ /// </retvalue>
GiwA$^Hg\ /// </summary>
\\Tp40m+ public static String FormatException(Exception ex, String catchInfo)
*`.{K12T {
5g>kr<K StringBuilder strBuilder = new StringBuilder();
>b?)WNk if (catchInfo != String.Empty)
*9(1:N;# {
Vot+gCZ strBuilder.Append(catchInfo).Append("\r\n");
%ys}Q!gR }
@5G7bY7Nz strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
y]4`d return strBuilder.ToString();
ly%B!P| }
i O|,,;_ rg/vxTl /// <summary>
azc:C /// 实际事件日志写入方法
Hbc&.W;g7[ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
+##I4vP /// <param name="messageText">要记录的文本.</param>
NB+O; /// </summary>
2vQ^519 private static void WriteLog(TraceLevel level, String messageText)
VDY1F_Fk {
)_K@ ?rWS try
!QS<;)N@ {
aBi:S3 qk EventLogEntryType LogEntryType;
J}\]<aC switch (level)
4F6o {
_N';`wjDY case TraceLevel.Error:
xG/qDc LogEntryType = EventLogEntryType.Error;
t+J6P)= break;
i4rF~'h@ case TraceLevel.Warning:
+ qqN LogEntryType = EventLogEntryType.Warning;
#e>MNc
'z break;
M?zAkHNS$ case TraceLevel.Info:
P$Ru NF LogEntryType = EventLogEntryType.Information;
a\_,_psK break;
|raQ]b@t& case TraceLevel.Verbose:
beZ| i 1: LogEntryType = EventLogEntryType.SuccessAudit;
n`Iy7X break;
>v,j;[( default:
(r\h dLX LogEntryType = EventLogEntryType.SuccessAudit;
MXV4bgltT break;
Hvo27THLo }
Y{tuaBzD H H3 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
>{Z=cv/6o //写入事件日志
+qf{ '|H eventLog.WriteEntry(messageText, LogEntryType);
hO@3-SRa,k y<d#sv(s }
J3+8s[oJ> catch {} //忽略任何异常
P<x }
<U pjAuG8 } //class ApplicationLog
}h6z&:qA[? }
Yg?{x@ 0Jh:6F 12.Panel 横向滚动,纵向自动扩展
* =@pdQkR <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
s9Z2EjQV ", ) 13.回车转换成Tab
{?hjx+v[ <script language="javascript" for="document" event="onkeydown">
0 %+k>(@R if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
r'\TS U5! event.keyCode=9;
:%MWbnVSC, </script>
wwn}enEz,x K*FAngIB onkeydown="if(event.keyCode==13) event.keyCode=9"
N@0scfO6< .9Fm>e+!C 14.DataGrid超级连接列
ZE`{J=, DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
c iX2G P,_E 4y 15.DataGrid行随鼠标变色
1hi j4m$b private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
5wX>PJS {
`,d7_#9' if (e.Item.ItemType!=ListItemType.Header)
G)7sXEe {
q/?_djv e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
mu sxX58% e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
64fG,b }
Kjw\SQ)2~ }
#KW:OFT
?~IZ{! 16.模板列
'7s!NF2 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
54w-yY <ITEMTEMPLATE>
L ai"D[N <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
m@~x*+Iz </ITEMTEMPLATE>
g"Bv!9*H </ASP:TEMPLATECOLUMN>
cC.DBYV+- R0}% <ASP:TEMPLATECOLUMN headertext="选中">
sXu+F2O <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
I&Y(]S,cU <ITEMTEMPLATE>
aa/9o] <ASP:CHECKBOX id="chkExport" runat="server" />
,qB081hPG </ITEMTEMPLATE>
Dzr5qP?# <EDITITEMTEMPLATE>
jq{Ix <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
{AUEVt </EDITITEMTEMPLATE>
)K~nZLULY </ASP:TEMPLATECOLUMN>
rI/KrBM YyIt-fPZ 后台代码
%>TdTt protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
zn|}YovY+ {
5Y^YKV{ //改变列的选定,实现全选或全不选。
$ 1U%E CheckBox chkExport ;
@4$E.q<0 if( CheckAll.Checked)
+$5^+C\6A {
^ZG 1 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
NY
x4&
*le {
Lt_]3go chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
l1WVt} chkExport.Checked = true;
>kYyR.p.b }
Je,8{J |e }
4NV1v&" else
S##W_OlrI {
fF%r$`2 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
jQ*Qh {
o@. !Z8 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
s8Oz^5p( chkExport.Checked = false;
e-mlvi^- }
fp0Va!T(V }
1~Nz6 }
~\P.gSiz ^iNR(cwgX 17.数字格式化
uk,f}Xc =xoTH3/,> 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
7|rT*-Ia <%#Container.DataItem("price","{0:¥#,##0.00}")%>
DxHeZQ"LL 7f>n`nq? int i=123456;
rtm28|0H' string s=i.ToString("###,###.00");
qb&*,zN t
At+5H 18.日期格式化
kWFR(J&R Lrq&k40y 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
V
EzIWNV o;fQ,rP% 显示为: 2004-8-11 19:44:28
^-ZqS o/R-1\Dn 我只想要:2004-8-11 】
;q Z2V <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
K#jm6Xh?E )1/O_N6C 应该如何改?
^gG,}GTl 3$Je,|bs 【格式化日期】
Vs
>1%$If i^#RiCeo 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
UWI5/R ?W()Do1tR 【日期的验证表达式】
GfDA5v[ @
55Y2 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
%:lQ ~yn ^((\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})))?$
V6Y!0,w!a bGZy0. B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
L6T_&AiL$ ^\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]))$
sZc<h]L(g Y%3j>_\; 【大小写转换】
D%zIm,bf HttpUtility.HtmlEncode(string);
",a
fv{C HttpUtility.HtmlDecode(string)
PyYe>a;. Z_%>yqDC 19.如何设定全局变量
H,'c& 2.yzR DfZ Global.asax中
A!c.P2 ZD3S|1zSQ Application_Start()事件中
EOL03N Jy9&=Qh 添加Application[属性名] = xxx;
3I]5DW %- ]#`bYh^y 就是你的全局变量
H
X8q+ ZYG"nmNd 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
"LYob}_z zC7;Zj*k HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
Z\x6 "'%x|nB 【ASPNETMENU】点击菜单项弹出新窗口
xfb%bkr 3hkA`YSYt 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
]^!#0( <?xml version="1.0" encoding="GB2312"?>
I/'>Bn+ <MenuData ImagesBaseURL="images/">
ctf'/IZ5 <MenuGroup>
-
0zo>[c/p <MenuItem Label="内参信息" URL="Infomation.aspx" >
u!(|y9p <MenuGroup ID="BBC">
~34$D],D <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
CXa$QSu > <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
1z)+P1nH] ......
6(.&y; -szvO_UP 最好将你的aspnetmenu升级到1.2版
=3FXU{"Qi4 \-^3Pe, 21.读取DataGrid控件TextBox值
OA+W$ foreach(DataGrid dgi in yourDataGrid.Items)
k,2%%m {
8 _>R 'u[ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
5QlJX tb.Text....
grZN.zTO }
)[A}h'J) ,W.O*vCA 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?
Mf?4 `LM -Jb
I7Le 〖思归〗
#p^D([k
\ <asp:TemplateColumn HeaderText="数量">
uy$o%NL-7 <ItemTemplate>
_$r+*nGDz <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
d<y
B ~Y onkeyup="javascript:DoCal()"
fSj^/> />
f.!cR3XgV ~`y6YIJ3 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
B|!Re4`0 </ItemTemplate>
d6uL;eR </asp:TemplateColumn>
)9}z^+TH }RXm=ArN <asp:TemplateColumn HeaderText="单价">
dme_Ivt <ItemTemplate>
"F=O <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
_]B'C
onkeyup="javascript:DoCal()"
5'X.Z: />
rKO[;]_* ^+-i7`|= <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
&Oe,$%{hBh 1&U U6| X </ItemTemplate>
AtSEKpKc </asp:TemplateColumn>
^s^X n QhE nfc&.(6x< <asp:TemplateColumn HeaderText="金额">
y8\44WKW <ItemTemplate>
5WEF^1 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
HH^eEh4g </ItemTemplate>
xand%XNv </asp:TemplateColumn><script language="javascript">
J5429Soo function DoCal()
}nkX-PG9 {
)H)HR` var e = event.srcElement;
}psJ'aiG* var row = e.parentNode.parentNode;
.Ir 5gz var txts = row.all.tags("INPUT");
=V(I if (!txts.length || txts.length < 3)
gVO[R6C5C return;
F;kNc:X`) !iMsTH<
var q = txts[txts.length-3].value;
5@?P 8 var p = txts[txts.length-2].value;
%|UCs8EFm leiP/D6s if (isNaN(q) || isNaN(p))
<}G7#xg return;
`w2hJP 90;[5c
q = parseInt(q);
}.x?$C+\" p = parseFloat(p);
p9 %7h. ='a$>JVJ5 txts[txts.length-1].value = (q * p).toFixed(2);
XSXS;Fh) }
ENygD </script>
1I_(!F{Ho (Ori].{C.J kA fkQy(~ IG
6yt p;g$D=2 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。
:dK/}S0 page_load
4\3Z$%2^LZ page.smartNavigation=true
LG(bdj"NM <yBZsSj 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
PC/Oo~Gx private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
woQYP, {
3s" Rv@ for(int i=0;i<e.Item.Cells.Count-1;i++)
[*@"[u if(e.Item.ItemType==ListItemType.EditType)
4;x{@Ln {
UE5T%zd / e.Item.Cells.Attributes.Add("Width", "80px")
S-*4HV_l }
tAefBFu }
SZNM$X|T ml\A)8O]j/ 26.对话框
+Uq$'2CT private static string ScriptBegin = "<script language=\"JavaScript\">";
:A>cf} private static string ScriptEnd = "</script>";
BZe x VD,g public static void ConfirmMessageBox(string PageTarget,string Content)
l@%MS\{ {
$)mK]57 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
]7eQ5[5s V^[o{'+ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
hIE$u t + oIN!3 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
82{Lx7pI ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
,dP-sD;< //Response.Write(strScript);
*Mgl X< }
~J)_S'
# <`}Oi5nW 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
1Jjay# E)7vuWOO 1.1 取当前年月日时分秒
f%;8]a9 currentTime=System.DateTime.Now;
unKi)v1 (]>=y 1.2 取当前年
CNwIM6t int 年= DateTime.Now.Year;
;N#d'E\ kZfa8wL]P 1.3 取当前月
-A^18r int 月= DateTime.Now.Month;
!RN(/ &%y j#rjYiYKy 1.4 取当前日
/I(IT=kp int 日= DateTime.Now.Day;
Y j;KKgk UiO%y 1.5 取当前时
],V_"\ATD int 时= DateTime.Now.Hour;
OrNi<TY> ~bC{R&p 1.6 取当前分
@m[q0G} int 分= DateTime.Now.Minute;
kaqH.e( jvv3;lWDL. 1.7 取当前秒
dI};l int 秒= DateTime.Now.Second;
V.?N29CA| |uf{:U) 1.8 取当前毫秒
xM"k qRZ int 毫秒= DateTime.Now.Millisecond;
>)\x\e m^I+>Bp/: 28.自定义分页代码:
F%M4i`Vh `f?v_Ui-$ 先定义变量 :
LlKvi_z public static int pageCount; //总页面数
46OYOa public static int curPageIndex=1; //当前页面
I?r7dQEm r)E9]"TAB 下一页:
e=e^;K4 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
O/
Yz6VQ {
^E{M[;sF3y DataGrid1.CurrentPageIndex += 1;
bk^W]<:z` curPageIndex+=1;
LX;w~fRr. }
QhR.8iS I6@98w}" bind(); // DataGrid1数据绑定函数
;;;aM:6\ IYAvO%~ 上一页:
<+o*"z\mI if(DataGrid1.CurrentPageIndex >0)
1$mxMXNsJ {
'Km
~3t DataGrid1.CurrentPageIndex += 1;
2^RWGCEv curPageIndex-=1;
Va"H.] }
E0?R,+>&4 6:_@ ;/03% bind(); // DataGrid1数据绑定函数
Av6=q=D HmlE Cx 直接页面跳转:
=A[:]),v int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
ts|dk% A8tzIh8 if(a<DataGrid1.PageCount)
zB/#[~ {
,t?c=u\5 this.DataGrid1.CurrentPageIndex=a;
"u^%~ 2 }
=ie8{j2: Lxz!>JO> bind();
K=lm9K D#"BY;
J 29.DataGrid使用:
YNHQbsZUI, dZ^(e0& :H 添加删除确认:
_7e ^
t N private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ye?4^@u u {
S\wh
*'Y foreach(DataGridItem di in this.DataGrid1.Items)
ygI81\D {
rF n%e if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
F3uR:)4<M {
Fs+
CY ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
uT1xvXfqP }
/1D]\k() }
)\K ;Ncp[ }
Tx)!qpZ {p.D E 样式交替:
e8E*Urtz ListItemType itemType = e.Item.ItemType;
;zq3>A itotn!Wb` if (itemType == ListItemType.Item )
3jR> {
"&9L e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
pX 4:WV e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
b{+7sl }
o4Ny9s else if( itemType == ListItemType.AlternatingItem)
F6'[8f {
M8Tj;ATr e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
v$n J$M&k e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
pk>p|q }
EuH[G_5e0 MawWgd* 添加一个编号列:
vH[G#A~4 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
%5 [,U)X" DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
FR57F(31 $RASpM for(int i=0;i<dt.Rows.Count;i++)
$nf5bo/; {
g#W/WKvM dt.Rows["number"]=(i+1).ToString();
XEX."y }
k 'CM^,F& &PE/\_xD_ DataGrid1.DataSource=dt;
NI<;L m DataGrid1.DataBind();
&<Iyb}tA? lhk=yVG3 DataGrid1中添加一个CheckBox,页面中添加一个全选框
8?yRa{'" private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
WSi`KNX {
:NCY6?
[Dz foreach(DataGridItem thisitem in DataGrid1.Items)
s8O.yL {
(Ci{fY6` ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
J`I^F:y* }
EdC^L`:: }
Jm#mC A vh"(j 将当前页面中DataGrid1显示的数据全部删除
&7 0o4~Fr foreach(DataGridItem thisitem in DataGrid1.Items)
~k(4eRq {
3AQu\4+A if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Q|$?d4La8 {
t%k1=Ow5i string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
.,vF%pQ Del (strloginid); //删除函数
M94zlW< }
3QZ~t#,7ij }
O>vbAIu tMy<MO)Ei 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)
U07G&?/ tJ qd 在Application_Start中添加以下代码:
xPcH]Gs^b Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
J$+K't5BZ AppSettings["ConnStr"].ToString();
U??T> =!R+0 31. 变量.ToString()
arQEi !dcGBj 字符型转换 转为字符串
|0wHNRN_ 12345.ToString("n"); //生成 12,345.00
!kpnBgm U 12345.ToString("C"); //生成 ¥12,345.00
^7p>p8 12345.ToString("e"); //生成 1.234500e+004
3Yb2p!o 12345.ToString("f4"); //生成 12345.0000
S&q(PI_" 12345.ToString("x"); //生成 3039 (16进制)
th4yuDPuA 12345.ToString("p"); //生成 1,234,500.00%
,ve$bSp Zqp<8M2 32、变量.Substring(参数1,参数2);
[V2`t' 8T]x4JQ0 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);
pD@2Mt0|]= n[f<]4< 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)
IncHY?ud<