1. 打开新的窗口并传送参数:
G8_|w6 \Lu] %} 传送参数:
VCUEzR0 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
}~`l!ApD iZ-"l3)D 接收参数:
+=A53V[C string a = Request.QueryString("id");
rfS kQT string b = Request.QueryString("id1");
ON<X1eU s4{WPU9 2.为按钮添加对话框
g}=opw6z Button1.Attributes.Add("onclick","return confirm(’确认?’)");
n:wZL&ZV0 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
+_LWN8F 3fWL}]{<a 3.删除表格选定记录
Z,jK(7D(
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
L cpz(W^ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Fz4g:8qdA THbV],RhJ 4.删除表格记录警告
=Wj{J.7mf] private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
2{E"#}/ {
{)d{:&*K. switch(e.Item.ItemType)
b)Px {
J< U,~ra\ case ListItemType.Item :
CsND:m case ListItemType.AlternatingItem :
9c_h+XN?y case ListItemType.EditItem:
I6E!$} TableCell myTableCell;
'P^6H$0 myTableCell = e.Item.Cells[14];
1]<wZV}. LinkButton myDeleteButton ;
l@zr1g) myDeleteButton = (LinkButton)myTableCell.Controls[0];
c _v;"Q Z myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
.j)f'<;% break;
rpu{YC1C% default:
y`OL^D4 break;
7pY7iR_ }
:"oQ _bLT ?A4t
&4 }
oJEUNgY& c$>$2[*= 5.点击表格行链接另一页
nrpxZA private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
S EeDq/h {
D!oELZ3 //点击表格打开
kr|u || if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Lh(`9(tX e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
*uq}jlD`! }
yfd$T}WW6 QIMoe'p 双击表格连接到另一页
nd[{DF?)/ NdW2OUxw" 在itemDataBind事件中
D^5bzZk
N if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
6HW8mXQh<h {
4/Yk;X[jk string OrderItemID =e.item.cells[1].Text;
5fdB<& 9 ...
XOe8(cXa9 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
C;6Nu W }
fQ,L~:Y = rIt#ps 双击表格打开新一页
: 6*FnKD if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
*)jhhw=34 {
/b)V=mcR string OrderItemID =e.item.cells[1].Text;
n^Uu6 ...
-$[o:dLO e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Nn_n@K }
4{s3S2f= D# "ppa} ★特别注意:【?id=】 处不能为 【?id =】
Z7X_U`Q 6.表格超连接列传递参数
wewYlm5@ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
.cV<(J 5o <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
gJ8+HV fgW>U*.ar 7.表格点击改变颜色
vThK@P!s if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
O7_u9lz2 {
R4V~+tnbG& e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
v?U;o&L(
this.style.color=’buttontext’;this.style.cursor=’default’;");
xSQ:#o=8G }
i'$V'x'k VR @V3 ~ 写在DataGrid的_ItemDataBound里
{F/0pvP9 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
csPziH$wl {
Sl8A=Ez e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
h}k/okG this.style.color=’buttontext’;this.style.cursor=’default’;");
MeHlxI e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
mP@<UjxI }
a}Dx"zl; FSs<A@ bk-veJR 8.关于日期格式
TA.ugF)h .^fVm 日期格式设定
J m5). DataFormatString="{0:yyyy-MM-dd}"
fR&;E =q%Q^ 我觉得应该在itembound事件中
b 6FC e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
` n*e8T V5MLzW\8 9.获取错误信息并到指定页面
p6MjVu c /G4@D> 不要使用Response.Redirect,而应该使用Server.Transfer
nNCG*Vu o~vUqj?BA e.g
ID-Y* // in global.asax
J\kGD protected void Application_Error(Object sender, EventArgs e) {
RZtY3:FBx| if (Server.GetLastError() is HttpUnhandledException)
Y~P1r]piB Server.Transfer("MyErrorPage.aspx");
{W[OjPC~F OM]d}}=Y //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
s7A3CY]-> }
yl>V' %[<@$qP 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
)<?^~"h 5d7AE^SHsH 10.清空Cookie
V!Px975P Cookie.Expires=[DateTime];
-A?6)ggf. Response.Cookies("UserName").Expires = 0
xp!MA 56;^
NE4 11.自定义异常处理
:6
, `M, //自定义异常处理类
% Rv;e using System;
e;M#MkP7 using System.Diagnostics;
8QYP\7}o J<"=c
z$ namespace MyAppException
y_>l'{w3^ {
+[JvpDv% /// <summary>
^/0c`JG!x /// 从系统异常类ApplicationException继承的应用程序异常处理类。
AG3iKk??T /// 自动将异常内容记录到Windows NT/2000的应用程序日志
"Cj{Z@n /// </summary>
&tNnW public class AppException:System.ApplicationException
)Vn(J#s {
xppl6v( public AppException()
@>r3=s.Q {
D%=VhKq if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
kBh*@gf }
~HFqAOr ;;^OKrzWW public AppException(string message)
>TB"Ez09 {
G`/5= LogEvent(message);
kB2]Z} }
P}2i[m.*, 3 #8bG( public AppException(string message,Exception innerException)
f: j9ze {
G^G= .9O LogEvent(message);
)p$a1\~m if (innerException != null)
I@$cw3 {
'7oWN,- LogEvent(innerException.Message);
yHXQCWY{8; }
n=z=%T6 }
Ft<6`C %4=r .9 //日志记录类
U<YP@?w using System;
\aEarIX#* using System.Configuration;
AHo4%
5 using System.Diagnostics;
?M}W;Z using System.IO;
jkVX>*.|oy using System.Text;
_d[4EY using System.Threading;
_Q**4 q =\3jd
namespace MyEventLog
}nsxo5WP {
dR9[K4`p/ /// <summary>
bAUruTn /// 事件日志记录类,提供事件日志记录支持
O`;e^PhN /// <remarks>
[Yq*DkW /// 定义了4个日志记录方法 (error, warning, info, trace)
Y"n$d0% /// </remarks>
1edeV48{: /// </summary>
IO@Ti(, public class ApplicationLog
&y}
]^wB {
z]twh&^1L /// <summary>
TtWE:xE /// 将错误信息记录到Win2000/NT事件日志中
dcd9AW= /// <param name="message">需要记录的文本信息</param>
+Fk]hCL /// </summary>
{o."T/?d' public static void WriteError(String message)
iI]E%H} {
I+!?~]AUuq WriteLog(TraceLevel.Error, message);
@VzD>?) }
~S85+OJ;M pzQWr*5a /// <summary>
!,(6uO% /// 将警告信息记录到Win2000/NT事件日志中
8mmHefZ}2! /// <param name="message">需要记录的文本信息</param>
yUyx&Y/ /// </summary>
WZ A8D0[ public static void WriteWarning(String message)
!wU~;sL8C3 {
\#hp,XV> WriteLog(TraceLevel.Warning, message);
[ r<0[ }
C$<['D?8 1.U9EuI /// <summary>
1v?|n8 /// 将提示信息记录到Win2000/NT事件日志中
@ptE&m /// <param name="message">需要记录的文本信息</param>
S^,q{x*T /// </summary>
&gr)U3w public static void WriteInfo(String message)
O>M4%p {
#~I.F4 WriteLog(TraceLevel.Info, message);
'QP~uK }
aANzL /// <summary>
!&f>,?wlP /// 将跟踪信息记录到Win2000/NT事件日志中
(2l?~CaK /// <param name="message">需要记录的文本信息</param>
@hG]Gs[,o /// </summary>
OsGKlWM/ public static void WriteTrace(String message)
dfa^5`_ {
sN8)p%'Lg WriteLog(TraceLevel.Verbose, message);
>T)#KQ1t }
ol7^T TwT@_~IM /// <summary>
<y!(X"n` /// 格式化记录到事件日志的文本信息格式
.szc-r{ /// <param name="ex">需要格式化的异常对象</param>
/7o{%~O /// <param name="catchInfo">异常信息标题字符串.</param>
9R1S20O /// <retvalue>
V49[XX /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
p(8[n^~,i /// </retvalue>
"%?$BoJR0 /// </summary>
S_|VlI public static String FormatException(Exception ex, String catchInfo)
g{U?Y" {
1M<;}hJ{/ StringBuilder strBuilder = new StringBuilder();
~\QN.a if (catchInfo != String.Empty)
)/Mk\``j {
.!^}sp,E strBuilder.Append(catchInfo).Append("\r\n");
}Y=X{3+~. }
F5(D A strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
AB0>|. return strBuilder.ToString();
+*')0I }
1oSU>I_i #
VAL\Z /// <summary>
<W2YG6^i /// 实际事件日志写入方法
dJf#j?\[ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
O V+|j /// <param name="messageText">要记录的文本.</param>
g4U`Qf3 /// </summary>
ol #4AU` private static void WriteLog(TraceLevel level, String messageText)
so]p1@K {
RX cfd-us try
W02t6 DW {
+DR,&; EventLogEntryType LogEntryType;
_C&XwCIm switch (level)
jFwu&e[9; {
Frd` u.I case TraceLevel.Error:
[izP1A$r#Q LogEntryType = EventLogEntryType.Error;
r J^*8C! break;
*_,: &Ur case TraceLevel.Warning:
Ce.*yO<- LogEntryType = EventLogEntryType.Warning;
)N}.n2Y8W break;
enB2-)<K case TraceLevel.Info:
E8Y(C_:s LogEntryType = EventLogEntryType.Information;
bH1MDBb2 break;
v9K=\ j case TraceLevel.Verbose:
f$I$A(0P LogEntryType = EventLogEntryType.SuccessAudit;
}u&,;] break;
8oxYgj&~X default:
ig}H7U2q@ LogEntryType = EventLogEntryType.SuccessAudit;
rT/4w#_3 break;
8HxtmFqG }
R GC DC*\ L8.u7(-# EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
032PR;] //写入事件日志
A`
)A=L eventLog.WriteEntry(messageText, LogEntryType);
eZ`x[g%1 qQ^bUpk0 }
FS^ie|8{D- catch {} //忽略任何异常
\O
G`+"|L }
*{1]b_< } //class ApplicationLog
Cu-z`.#}R }
0m>?-/uDx o7^u@*"F 12.Panel 横向滚动,纵向自动扩展
Hr}pO"% <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
*;!p#qL c[zaYcbl 13.回车转换成Tab
&$<7]a\dM <script language="javascript" for="document" event="onkeydown">
@S#Ls="G if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
wVac6q
event.keyCode=9;
QKt+Orz </script>
9|5>?'CqP (+w.?l onkeydown="if(event.keyCode==13) event.keyCode=9"
{Ip)%uR 96P3B}Dk 14.DataGrid超级连接列
;:4PT~\* DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Z0!yTM/C cK _:?G 15.DataGrid行随鼠标变色
nZP%Z=p7 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
2y` :#e`x1 {
9Lp[y%{GP if (e.Item.ItemType!=ListItemType.Header)
FF'Ul4y {
5lYzgt-oP e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
.~Y%
AI e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
r;'Vy0?AL }
1Uf8ef1, }
m>8tA+K)+) .N~YVul[a* 16.模板列
6SVh6o@] <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Ps=<@,dks <ITEMTEMPLATE>
r]yI5 ; <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
YH-+s
</ITEMTEMPLATE>
FTT=h0t </ASP:TEMPLATECOLUMN>
Y1s3>` 5nh:S0M6V <ASP:TEMPLATECOLUMN headertext="选中">
!^_G~`r$2J <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
>X0c:pPu <ITEMTEMPLATE>
3lo.YLP^ <ASP:CHECKBOX id="chkExport" runat="server" />
.p?kAf` </ITEMTEMPLATE>
|p"4cG?) <EDITITEMTEMPLATE>
>#8J@=iuqv <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
DfX}^'#m+ </EDITITEMTEMPLATE>
"Qfw)!# </ASP:TEMPLATECOLUMN>
6"PwOEt n^:Wc[[m 后台代码
~h@<14c{X protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
u8sK~1CPf {
3oE3bBj //改变列的选定,实现全选或全不选。
"u.4@^+i CheckBox chkExport ;
n&;-rj^qq if( CheckAll.Checked)
8^)K|+_'m {
O}cg1Q8p foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Tj_~ BT {
0$e]?]X6 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
$kCXp.#k@~ chkExport.Checked = true;
x39n7+j4 }
;VIW/ }
^ Z~'>J else
FEqR7 {
p&<X&D foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
v.pj
PBU1 {
}Pf7YuUZZ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
#M5[TN! chkExport.Checked = false;
Tt*n.HA }
(U#9 }
:"e,&
% }
3|g]2|~w@h mbCY\vEl 17.数字格式化
2%oo.?!R '@
C\ ,E 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
pGh A <%#Container.DataItem("price","{0:¥#,##0.00}")%>
3t^r;b a eo/4 int i=123456;
J^]Y`Q` string s=i.ToString("###,###.00");
$IB>a 6D n[9V 18.日期格式化
+(9qAB7 2 bQC2 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
{S;/+X, }iF"&b0n" 显示为: 2004-8-11 19:44:28
\/
8
V|E Gkq<?q({t 我只想要:2004-8-11 】
d}e/f)( <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
J;S@Q/s is,r: 应该如何改?
$YCy,Ew |=CV.Su 【格式化日期】
Tr@} // \UthOT 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
&:ib>EB03= |Lz:i+; 【日期的验证表达式】
\hcb~>=C ?a]uyw, A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
V3]"ROH ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
=W
Q_5} ND|!U#wMNV B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
DTw3$: ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
3%$nRP
X 0W1=9+c|X 【大小写转换】
.5PcprE/ HttpUtility.HtmlEncode(string);
ixFuqPij HttpUtility.HtmlDecode(string)
&%/kPF~< nS}XY 19.如何设定全局变量
c>*RQ4vE ,:!dqonn Global.asax中
s)~60c '[h|f Application_Start()事件中
X)K3X:~L+ :"aCl~cy9g 添加Application[属性名] = xxx;
YLfZ;W|6u =Qcz :ng 就是你的全局变量
{t;{={$ XNU[\I 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
O)tZ`X; p ^U:O&U( HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
2@ <x%T 8R6!SB 【ASPNETMENU】点击菜单项弹出新窗口
JRC+>'}Xj }"'^.FG^_ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
uK`T1*_ <?xml version="1.0" encoding="GB2312"?>
p6yC1\U!o <MenuData ImagesBaseURL="images/">
hl[!4#b]K <MenuGroup>
ci@U
a}T <MenuItem Label="内参信息" URL="Infomation.aspx" >
m-Uq6_e <MenuGroup ID="BBC">
LI&+5` <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
o!3 -=<^ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
YAIDSZ&l[ ......
:(|;J<R%_ Ba\l`$%X 最好将你的aspnetmenu升级到1.2版
T`;>Kq:s JWa9[Dj 21.读取DataGrid控件TextBox值
x"Hi!h)v foreach(DataGrid dgi in yourDataGrid.Items)
^/3R/;? {
>g]kbes-\ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Q`Q%;%t tb.Text....
GB(o)I#h }
CE$c/d[N. wPn#>\/L 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?
1r?<1vh:z |8$x 〖思归〗
\S)\~>.`y! <asp:TemplateColumn HeaderText="数量">
NY'sZTM& <ItemTemplate>
(o1*7_]e <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
>C`b4xQ onkeyup="javascript:DoCal()"
L44/eyrp
/>
3+<}Hm+ !po8[fz~x <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
zUM;Qwl </ItemTemplate>
*N .f_s </asp:TemplateColumn>
(>x4X@b =8r%zLDw <asp:TemplateColumn HeaderText="单价">
3hOiHO
; <ItemTemplate>
3%]%c6 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
$/aZ/O)F onkeyup="javascript:DoCal()"
xq2{0q />
gL(ny/Ob9 &i8AB{OU <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Y. ]FVq 4+od N. </ItemTemplate>
1Z?en </asp:TemplateColumn>
8'Z#sM^E 'b#`8k~> <asp:TemplateColumn HeaderText="金额">
!e?GS"L~ <ItemTemplate>
O!}TZfC <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
(bxSN@hp2 </ItemTemplate>
L\Uf+d:&}G </asp:TemplateColumn><script language="javascript">
!F*7Mif_E function DoCal()
y]B?{m``6 {
7u!i)<pn var e = event.srcElement;
){|Bh3XV var row = e.parentNode.parentNode;
*.0}3 var txts = row.all.tags("INPUT");
1MH[-=[Q if (!txts.length || txts.length < 3)
.v36xX K( return;
>;eWgQ6V aU,Zjm7fp var q = txts[txts.length-3].value;
(c ?OcwTH var p = txts[txts.length-2].value;
\f6SA{vR| %vvA'WG if (isNaN(q) || isNaN(p))
I
@TR| return;
c
rPEr ~F^(O{EG q = parseInt(q);
QAigbSn] p = parseFloat(p);
G[1:<Vg8 sr+*
q6W txts[txts.length-1].value = (q * p).toFixed(2);
Z~o6%_xe }
\WG6\Zg0A </script>
|*5K fxq ?(el6 J} hPa:>e ^uIP tCAh?nR 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。
6eqxwj{S[ page_load
<(dHh9$~ page.smartNavigation=true
}>I|\Z0I )<bgZ, v 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
5o 4\Jwt private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
sK8=PZ\ {
n=#AH;42 for(int i=0;i<e.Item.Cells.Count-1;i++)
V&U1WV/ if(e.Item.ItemType==ListItemType.EditType)
Vp*#,(_G: {
i>YD_#w e.Item.Cells.Attributes.Add("Width", "80px")
fr$E'+l) }
B#Cb`b" }
T u>5H` DT`TA#O 26.对话框
5qzFH, private static string ScriptBegin = "<script language=\"JavaScript\">";
.}n%gc~A private static string ScriptEnd = "</script>";
0b%"=J2/p. {3F;:%$`c public static void ConfirmMessageBox(string PageTarget,string Content)
&<}vs`W {
F+mn d,3 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
hI.@!$~= kLa9'c0 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
n,hl6[O L7 P(Bj XMd Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
Q>Rjv.1 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
h+)XLs //Response.Write(strScript);
TbqH-R3W }
^'j? {@ ]n9o=^q/ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
A)9OkLrc o!W
71 1.1 取当前年月日时分秒
e&WlJ currentTime=System.DateTime.Now;
u;f${Wn'3 @X@?jj& 1.2 取当前年
Y;$wD9W int 年= DateTime.Now.Year;
{"T$jV:GB P_S^)Yo 1.3 取当前月
%5#ts/f int 月= DateTime.Now.Month;
Y 3W_Z LpwjP4vWJ 1.4 取当前日
ZbVo<p5* ] int 日= DateTime.Now.Day;
IE7%u92 }71a3EUK 1.5 取当前时
\ng!qN int 时= DateTime.Now.Hour;
!nh7<VJ )Il)
H 1.6 取当前分
28,Hd!{ int 分= DateTime.Now.Minute;
VfWU-lJ /J''`Tf 1.7 取当前秒
LpCJfQ int 秒= DateTime.Now.Second;
a"7zz]XO2 ~6YTm6o 1.8 取当前毫秒
2d),*Cvf int 毫秒= DateTime.Now.Millisecond;
nn[OC=cDN ?=zF]J:G1w 28.自定义分页代码:
A[W3.$s h9<*+T 先定义变量 :
D6X0(pU0 public static int pageCount; //总页面数
Cngi5._Lb public static int curPageIndex=1; //当前页面
PkM]jbLe8 ^pgVU&-~]/ 下一页:
n~ w.\939@ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
v@m2c_, {
Rq`B'G9|c DataGrid1.CurrentPageIndex += 1;
P1cI]rriW curPageIndex+=1;
u!4i+7} }
z~8`xn, JZ=ahSi
bind(); // DataGrid1数据绑定函数
gY!+x=cx0 P){b"`f 上一页:
$?x;?wS0V if(DataGrid1.CurrentPageIndex >0)
:g&9v_}&K{ {
s{g^K#BoFi DataGrid1.CurrentPageIndex += 1;
R( 2,1f=d curPageIndex-=1;
vwF#;jj\ }
O_vCZW
a3 3|++2Z{}, bind(); // DataGrid1数据绑定函数
|E]`rfr 73C7g<
Mx 直接页面跳转:
LtrE;+%2oz int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
ENoGV;WG -/^a2_d[ if(a<DataGrid1.PageCount)
[f ._w~ {
3[_zz;Y*d this.DataGrid1.CurrentPageIndex=a;
1u `{yl*+? }
+\s32o
zg 6gr?#D -F bind();
b*5Yy/U Gl am(V1 29.DataGrid使用:
MBp,!_Q6 M~h^~:Lk 添加删除确认:
:~"Dwrui private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
O@9<7@h+Nl {
oItEGJ| foreach(DataGridItem di in this.DataGrid1.Items)
<GdQ""X {
\US'tF)/ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
62s0$vw {
~)fd+~4L ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
?aMd#.& }
,F;<Y9] }
Fu%D2%V$/ }
5~ip N/)E }Bk>' 样式交替:
@#u'z~a) ListItemType itemType = e.Item.ItemType;
:`Sd5b> +HAd=DU if (itemType == ListItemType.Item )
[B_(,/? {
&$H7vdWNy e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
XEX-NE"] e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
7Be\^% }
I_.Jo `lK~ else if( itemType == ListItemType.AlternatingItem)
qI=j>x {
=|j~*6Hd e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
=6YffXa_s e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
tNbL) }
A_pcv7=@ sKCfI] 添加一个编号列:
<>l! DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
g&]n:qx DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
rCH? R 1EmZ/@k/Y for(int i=0;i<dt.Rows.Count;i++)
Jf</83RZ {
j&y>?Y&Sb dt.Rows["number"]=(i+1).ToString();
wJ>.I<F6B }
&sA@! Y^(NzN DataGrid1.DataSource=dt;
Kk9eJ\ DataGrid1.DataBind();
PrQs_tNi ,6Ua+\| DataGrid1中添加一个CheckBox,页面中添加一个全选框
?S2!'L private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
M/x*d4b_ {
QnMN8Q9 foreach(DataGridItem thisitem in DataGrid1.Items)
^MczumG[ {
9zKbzT] ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
=5kTzH. }
IpYw<2' }
z~0f[As. <