1. 打开新的窗口并传送参数:
5v_vv'~ h,@tfd U^ 传送参数:
yBkcYHT response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
6R'z3[K9 kkU#0p? 7 接收参数:
kA4bv} string a = Request.QueryString("id");
1Rd2Xb string b = Request.QueryString("id1");
tYUg%2G ./@C 2.为按钮添加对话框
=x3T+)qCNX Button1.Attributes.Add("onclick","return confirm(’确认?’)");
}CGA)yK~3 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
hn[lhC opfg %* 3.删除表格选定记录
kps}i~Jb int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
^`+Kjhht string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
?X^.2+]*& i#KY'"P 4.删除表格记录警告
*6/OLAkyF private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
x%`tWE| {
1<D^+FC4b, switch(e.Item.ItemType)
5H}d\=z {
.Ge`)_e case ListItemType.Item :
<pIel case ListItemType.AlternatingItem :
HyYol* case ListItemType.EditItem:
/K :H2?J TableCell myTableCell;
>41K>=K myTableCell = e.Item.Cells[14];
1TlMB LinkButton myDeleteButton ;
vWVQ8S. myDeleteButton = (LinkButton)myTableCell.Controls[0];
+HkEbR'G0 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
w[]\%`69}Z break;
7RCVqc" default:
4WXr~?Vq9 break;
Y.KJP ? }
h pKrP <V1y^EW0 }
yF@72tK %(A@=0r# 5.点击表格行链接另一页
Ti>2N private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
P X>>h}% {
~9Cw5rwH<; //点击表格打开
99*QfC if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
>=K~*$&> e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
(Qd@Q,@(s }
4Ul*`/d ~tZy-1 双击表格连接到另一页
t*wV<b n'9&q]GN| 在itemDataBind事件中
[PH56f if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
`N;O6
wZ {
CF]#0*MI string OrderItemID =e.item.cells[1].Text;
PwC^
]e ...
Jix;!(" e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
ODCv^4}9 }
lS |:4U. Z+agS8e( 双击表格打开新一页
0,1)Sg* if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
NszqI {
TXbnK"XQ string OrderItemID =e.item.cells[1].Text;
g`I$U%a_2 ...
CZ.HQc e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
9t+:L(*pK }
6yK"g7 ~F13}is ★特别注意:【?id=】 处不能为 【?id =】
jygKw+C 6.表格超连接列传递参数
!~`aEF3 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
paZcTC <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
`P jS T854}RX[{ 7.表格点击改变颜色
IeAUVRS) if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Xu& v3Y~k {
qJK-HF:# e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
N**"u"CX this.style.color=’buttontext’;this.style.cursor=’default’;");
j$Vtd& }
^~W s4[Guo GB{Q)L 写在DataGrid的_ItemDataBound里
,
%A2wV if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
)F m'i&F_ {
} QpyU% e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
3Gt@Fo= this.style.color=’buttontext’;this.style.cursor=’default’;");
#C+7~ns' e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
@vPGkM#oW }
]69z-; C
A $R
J=B,$4)9 8.关于日期格式
cdTG ]n ALt^@|!d 日期格式设定
uO4R5F|tL DataFormatString="{0:yyyy-MM-dd}"
Y0g6zHk7 -5Aqf\ 我觉得应该在itembound事件中
+t}<e( e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
@ ]
3`S LX7<+`aa 9.获取错误信息并到指定页面
ZG)6{WS ~QU\kZ7Z 不要使用Response.Redirect,而应该使用Server.Transfer
LsaRw-4.c X;d 1@G e.g
vg\fBHzn // in global.asax
oB%j3aAH protected void Application_Error(Object sender, EventArgs e) {
M7c53fz if (Server.GetLastError() is HttpUnhandledException)
.83z = Server.Transfer("MyErrorPage.aspx");
r-ljT<f%J[ :s#&nY //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
YQaL)t$0 }
%kL]-Z 9`G}GU]@} Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
!uN_<! FmhN*ZXr# 10.清空Cookie
z6'l" D'h Cookie.Expires=[DateTime];
:PP!v!vk Response.Cookies("UserName").Expires = 0
DHh30b$c ~i=5NUE 11.自定义异常处理
X@Yl<9|i //自定义异常处理类
lQ| i
Ws using System;
\<x{U3q5 using System.Diagnostics;
{%QWv%| .2/W.z2 namespace MyAppException
<v$yXA {
:2-!bLo}& /// <summary>
,e+S7YX /// 从系统异常类ApplicationException继承的应用程序异常处理类。
GL3olKnL /// 自动将异常内容记录到Windows NT/2000的应用程序日志
..yLtqos /// </summary>
5 0< public class AppException:System.ApplicationException
!KLY*bt6 {
H~~>ut6` public AppException()
::!{f+Up {
&u0on)E if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
s3oQ( wC % }
g/OL^A Df0m public AppException(string message)
89[OaT_hs {
g BV66L LogEvent(message);
7r$'2">K( }
<26Jif: q[TW public AppException(string message,Exception innerException)
9FmX^t$T {
qrY]tb^K LogEvent(message);
X;3gKiD if (innerException != null)
?o_D#gG* {
,{sCI/ LogEvent(innerException.Message);
*+>QKR7 }
ePe/@g1K* }
"U
iv[8B \-RVPa8k //日志记录类
kcZz WG|n using System;
5
DvD using System.Configuration;
}+BbwBm& using System.Diagnostics;
z?Qt%1q using System.IO;
qh/}/Sl; using System.Text;
H6i;MQ using System.Threading;
ZvkBF9d {WN??eys, namespace MyEventLog
wj|[a,(r {
>UBozmF=\ /// <summary>
at5=Zo[bP /// 事件日志记录类,提供事件日志记录支持
);*#s~R /// <remarks>
P: )YKro] /// 定义了4个日志记录方法 (error, warning, info, trace)
3L-}B#tI /// </remarks>
P{o //M /// </summary>
I]0
D*z public class ApplicationLog
Ugv"A;l {
.u&GbM%Ga /// <summary>
[TX5O\g![ /// 将错误信息记录到Win2000/NT事件日志中
/PgcW /// <param name="message">需要记录的文本信息</param>
^:,I #] /// </summary>
"[wP1n!G public static void WriteError(String message)
T|ZJ$E0 {
o7t#yw3 WriteLog(TraceLevel.Error, message);
}XIUz| }
^3w
>:4m |f<-lB[k /// <summary>
HbQ+:B] /// 将警告信息记录到Win2000/NT事件日志中
#~:@H&f790 /// <param name="message">需要记录的文本信息</param>
P> ilRb /// </summary>
m>LC2S;
f public static void WriteWarning(String message)
[qQ~\] {
<wO8=bem WriteLog(TraceLevel.Warning, message);
Fq#; }
c_)lTI4 !&@!:=X, /// <summary>
46M?Gfd,X /// 将提示信息记录到Win2000/NT事件日志中
bs\7 juHt /// <param name="message">需要记录的文本信息</param>
h . R bdG /// </summary>
=aJb}X public static void WriteInfo(String message)
-aF\
u[b {
kY]^~|i6 WriteLog(TraceLevel.Info, message);
S_Ug=8r4 }
:WnF>zN /// <summary>
ff.;6R\ /// 将跟踪信息记录到Win2000/NT事件日志中
i8>^{GODR /// <param name="message">需要记录的文本信息</param>
s.KHm
L3 /// </summary>
}pL#C public static void WriteTrace(String message)
ad'C&^o5 {
t+m
ug WriteLog(TraceLevel.Verbose, message);
ylBjuD+ }
i9quP"<9 J#jx)K! /// <summary>
&/tGT3) /// 格式化记录到事件日志的文本信息格式
E>3(ff& /// <param name="ex">需要格式化的异常对象</param>
A]q"+Z] /// <param name="catchInfo">异常信息标题字符串.</param>
"`aLSw75x /// <retvalue>
R[{s\ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
iK <vr /// </retvalue>
7S)u7 /// </summary>
e BxOa public static String FormatException(Exception ex, String catchInfo)
18kzR6(W {
R[_UbN 28 StringBuilder strBuilder = new StringBuilder();
G$!JJ.
)d if (catchInfo != String.Empty)
zd^QG {
.m_-L
Y- strBuilder.Append(catchInfo).Append("\r\n");
|)IS[:X }
[SX>b"L strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Hv.nO-c return strBuilder.ToString();
ecG,[1]; }
3F|#nq {8Uk] /// <summary>
kPg| o3H /// 实际事件日志写入方法
s'^"s_j /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Y76U htYH /// <param name="messageText">要记录的文本.</param>
NY9\a[[^[8 /// </summary>
Gtpl5g QH private static void WriteLog(TraceLevel level, String messageText)
x cA5 {
xix:=
a try
]Y@B= 5e/ {
n*vzp?+Y EventLogEntryType LogEntryType;
Ht!]% switch (level)
S1oP_A[| {
Qfd4")zhG case TraceLevel.Error:
13KfI LogEntryType = EventLogEntryType.Error;
uf<nVdC. break;
N)b.$aC case TraceLevel.Warning:
2#?qey LogEntryType = EventLogEntryType.Warning;
|ZuS"'3_w break;
^i!6q9<{e case TraceLevel.Info:
"~^#{q LogEntryType = EventLogEntryType.Information;
-=CZhp break;
O0Sk?uJ< case TraceLevel.Verbose:
^P
!}" LogEntryType = EventLogEntryType.SuccessAudit;
K|g+Wt^tQ break;
fkmN?CU{1% default:
8s#2Zv LogEntryType = EventLogEntryType.SuccessAudit;
ae`6hW2 break;
,z+7rl }
X23#y7: -VVJf5/ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
CBvvvgI o //写入事件日志
>^q7:x\ eventLog.WriteEntry(messageText, LogEntryType);
0281"aO S eTn] }
"[t (u/e catch {} //忽略任何异常
(c=.?{U }
}:2GD0Ru } //class ApplicationLog
rS^+y{7 }
]E!b& /a:sWmxMT 12.Panel 横向滚动,纵向自动扩展
sp'f>F2] <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
d iG kwKj jdWA)N}kDG 13.回车转换成Tab
dZ"w2ho <script language="javascript" for="document" event="onkeydown">
ROc)LCA if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
z.%K5vrO> event.keyCode=9;
MmPLJ </script>
s8
c#_ WY 'QhieH onkeydown="if(event.keyCode==13) event.keyCode=9"
F.[E;gOTo q"O4}4` 14.DataGrid超级连接列
zEYT,l DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
mxQPOu >^5UXQr 15.DataGrid行随鼠标变色
Bc^MZ~+ip private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
JNZ O7s {
mM6X0aM if (e.Item.ItemType!=ListItemType.Header)
i{+W62k* {
E+$%88 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
PA_54a9/< e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
"cVJqW }
oYn|>`+6:y }
:497]c3#5C U3UDA 16.模板列
\2Atm,#4 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
v@^P4cu; <ITEMTEMPLATE>
?f\ ~:Gm/ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
"q,.O5q}Y </ITEMTEMPLATE>
y(w&6: </ASP:TEMPLATECOLUMN>
Zj]jE%AT :t8?!9g <ASP:TEMPLATECOLUMN headertext="选中">
zm7IkYF <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
zF-R$_]av <ITEMTEMPLATE>
Y)oF;ko: <ASP:CHECKBOX id="chkExport" runat="server" />
^vA"3Ixb! </ITEMTEMPLATE>
$>csm <EDITITEMTEMPLATE>
}>
pNf <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
lujUEHzp </EDITITEMTEMPLATE>
7j22KQ|EX^ </ASP:TEMPLATECOLUMN>
|k ]{WCD] S(\<@S& 后台代码
w#Di protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
`BOG e;pl {
z&a>cjt_; //改变列的选定,实现全选或全不选。
n#Y=y# CheckBox chkExport ;
%{*A@jQsg if( CheckAll.Checked)
-m"9v%>Y {
2:4:Q[{A foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
JsZLBq*lP {
9\J.AAk~/ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
<<5x"W(,
chkExport.Checked = true;
k=D}i\F8 }
~As/cd>9 }
&oXN*$/dlJ else
6myF!
H= {
(n+FEE< foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
@3_[NI% {
jMV9r-{*+ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
%Xfy.v chkExport.Checked = false;
{I:nza }
zlhHSy K }
nQ5N\RAZ }
z 7
s&7)a J%mtlA 17.数字格式化
C1ZuDL)e r]<?,xx[ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
)' 3V4Z& <%#Container.DataItem("price","{0:¥#,##0.00}")%>
2C59fXfd }3DZ`8u int i=123456;
OoqA`%
string s=i.ToString("###,###.00");
&]_2tN=S$ $ctpg9 7 18.日期格式化
ZKp9k6 u#^~([I 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
RAUD8Z D%%@+3a 显示为: 2004-8-11 19:44:28
(ibj~g?U, )ld`2)
4 我只想要:2004-8-11 】
:% m56 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
lK yeG( 7LrWS83 应该如何改?
XRx^4]c :)g}x&A^$ 【格式化日期】
Y0Bd[ 3:ELYn 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
2[QyH'"^E \{K~x@` 【日期的验证表达式】
1h,m L[aA4` A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
{wwkbc* ^((\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})))?$
u|EHe"V" |:b!e B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
8=Aoj%l# ^\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]))$
7:Be.(a =OR"Bd:O
【大小写转换】
cOrFe;8-. HttpUtility.HtmlEncode(string);
0Ma3 HttpUtility.HtmlDecode(string)
%XiF7<A& :vo#( 19.如何设定全局变量
g7@.Fa.u'! <
s1 Global.asax中
R
Y ";SfYb YX{c06BHs Application_Start()事件中
Q=n2frW(T 8L _]_ 添加Application[属性名] = xxx;
v FWg0 $, Uf\,U8U B 就是你的全局变量
c6~<vV'} 4KnrQ-D 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
>(BAIjF
E\ ?v@pB>NZ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
/j$`Cq3I JGG (mrvR 【ASPNETMENU】点击菜单项弹出新窗口
fA" VLQE Gm.2!F=R4A 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
kS1?%E,)q <?xml version="1.0" encoding="GB2312"?>
C<yjGtVD <MenuData ImagesBaseURL="images/">
h;JO"J@H <MenuGroup>
v)s;
wD <MenuItem Label="内参信息" URL="Infomation.aspx" >
0$:jZ/._ <MenuGroup ID="BBC">
\?~cJMN <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
X3Yi|dyn T <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
7 DW_G ......
+Vw]DLWR ^j *H 最好将你的aspnetmenu升级到1.2版
H-/w8_} KG &[qJ=HMm I 21.读取DataGrid控件TextBox值
FfpP<(4 foreach(DataGrid dgi in yourDataGrid.Items)
7(plHW| {
YF68Ax] TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
s_4y^w]aX tb.Text....
zY2o;-d|4 }
?AYb@&% cllnYvr3 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
0+ 3{fD/ Jm[_X 〖思归〗
mJ JF <asp:TemplateColumn HeaderText="数量">
5\.w\ <ItemTemplate>
e!oL!Zg <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
|"i"8~/@< onkeyup="javascript:DoCal()"
n#"N"6s />
k<QZ_*x}G 6~tj"34_ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
>^J </ItemTemplate>
Tu&W7aoX5 </asp:TemplateColumn>
qc"PTv0q sj8lvIY5 <asp:TemplateColumn HeaderText="单价">
b:(t22m#? <ItemTemplate>
^Fg!.X_ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
:@#6]W onkeyup="javascript:DoCal()"
5
[X,? />
bEB9J-
Q SdNxSD$Q <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
6ac_AsFK 4GG0jCNk </ItemTemplate>
Uc( z| </asp:TemplateColumn>
r:--DKt sfzDE&>' <asp:TemplateColumn HeaderText="金额">
EnP> <ItemTemplate>
CG]/. <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
c!]Q0ib6 </ItemTemplate>
yM#
%UeZ\ </asp:TemplateColumn><script language="javascript">
Ib2n Bg>j function DoCal()
=k##*% {
VYnB&3%DF var e = event.srcElement;
ih(A l<IS var row = e.parentNode.parentNode;
/5y _ < var txts = row.all.tags("INPUT");
to(lE2`.da if (!txts.length || txts.length < 3)
}#phNn6 return;
Q=t_m(:0 JQ9+kZ var q = txts[txts.length-3].value;
OXS.CFZM var p = txts[txts.length-2].value;
d"OYq }gKY_e3 if (isNaN(q) || isNaN(p))
<z8z\4Hz return;
2?kVbF N9 TM q = parseInt(q);
+Ou<-EQV p = parseFloat(p);
=55V<VI rm4t txts[txts.length-1].value = (q * p).toFixed(2);
~toR)=Yv }
A9y@v{txN </script>
J~)JsAXAI 7ea%mg\ ?KG4Z >OKc\m2%Q !im%t9 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。
T'a& page_load
?N]G;%3/ page.smartNavigation=true
;i!$rL {EJ+
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 ?
IwR=@Ne8 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
dQ
Lo,S8( {
\_ MWZRMc5 for(int i=0;i<e.Item.Cells.Count-1;i++)
BO0Y#fs if(e.Item.ItemType==ListItemType.EditType)
kW&zkE{ {
ro8C^d] e.Item.Cells.Attributes.Add("Width", "80px")
HpS1(%d" }
K~+x@O* }
rh T!8dTk zC`ediyu 26.对话框
tG[v@-O private static string ScriptBegin = "<script language=\"JavaScript\">";
G0(A~Q" private static string ScriptEnd = "</script>";
GQ}R xu] !,{-q)'D public static void ConfirmMessageBox(string PageTarget,string Content)
l"%WXi"X {
YGhHIziI string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Mo\nY5 -Fc 9mv(H ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
g_)i)V |;R-q8 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
NN~PWy1opa ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
$'KhA6u //Response.Write(strScript);
~R7{gCqdr }
$E^*^({ FYH^axpp 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
;Bat--K7+ [Vj|fy4 1.1 取当前年月日时分秒
SDO~g ~NTp currentTime=System.DateTime.Now;
+'aG{/J aZ}z/.b] 1.2 取当前年
(, $Lp0mB7 int 年= DateTime.Now.Year;
n +dRAIqB
5"w% 1.3 取当前月
Tx(=4ALY int 月= DateTime.Now.Month;
7eG@)5Uy ,.V=y% 1.4 取当前日
aZCxyoh + int 日= DateTime.Now.Day;
D!D}mPi[ 1~[GGl 1.5 取当前时
~e=KBYDBu int 时= DateTime.Now.Hour;
S9 @*g3 8xHjdQr 1.6 取当前分
}R`}Ey|{ int 分= DateTime.Now.Minute;
'8b=4mrbH _#w5hXcu 1.7 取当前秒
a]4|XJ_ int 秒= DateTime.Now.Second;
j2 jUrl uKo4nXVtp 1.8 取当前毫秒
mWuhXY^Q int 毫秒= DateTime.Now.Millisecond;
D1EHT} t}gK)"g 28.自定义分页代码:
\8`^QgV`@ bjFND]p?w 先定义变量 :
W |+&K0M public static int pageCount; //总页面数
to)Pl}9QkK public static int curPageIndex=1; //当前页面
7G_OFD Rr>"" 下一页:
N}q*(r!q< if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
/P*ph0S- {
qb5IpI{U DataGrid1.CurrentPageIndex += 1;
AmcBu" curPageIndex+=1;
{>l`P{{y }
g=s2t"& 42 Sk` bind(); // DataGrid1数据绑定函数
&XSe&1 ; T WYO 上一页:
~T&X#i if(DataGrid1.CurrentPageIndex >0)
T\L
LOx\ {
*JVJKqed DataGrid1.CurrentPageIndex += 1;
PSa"u5 O curPageIndex-=1;
.,SWa;[iB }
7,3v,N| {4b8s%:!4 bind(); // DataGrid1数据绑定函数
SMh[7lU` HO;,Ya^l 直接页面跳转:
/ee4 v! int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
~ph>?xuw ow,=M%x"0 if(a<DataGrid1.PageCount)
i- r y5x {
%:[Y/K- this.DataGrid1.CurrentPageIndex=a;
on0>_-n) }
y?{YQ)fj R~(_m#6`: bind();
z=VL|Du1OT )L:p.E 29.DataGrid使用:
XJi^gT N woR }=\K 添加删除确认:
C?%Oi:Gi& private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
(Y]G6>
Oa {
PQ[x A* foreach(DataGridItem di in this.DataGrid1.Items)
GG[$- {
t~FOaSt if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
Hf$LWPL)lM {
KmRxbf ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
STgYXA( }
QsH Fk5) }
Iw) 'Yyg }
qluaop HCKj8-* 样式交替:
-pm^k-%v ListItemType itemType = e.Item.ItemType;
FBJ Lkg0 Po82nKAh if (itemType == ListItemType.Item )
.(2ui~ed {
$qj||zA e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Md ,KW# e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
4vRIJ}nQ }
_D?`'zN else if( itemType == ListItemType.AlternatingItem)
dzZ75 {
%1VfTr5 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
&c1zEgl e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
| WMq&-$D }
*^P$^lm?S ;p 'Ej'E 添加一个编号列:
]pP [0S DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Gfn?1Kt{ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
-|~tZuf C|Vz
`FY for(int i=0;i<dt.Rows.Count;i++)
~!{y3thZ {
_-/<