1. 打开新的窗口并传送参数:
lc/q0 K8y/U(@|D 传送参数:
/[YH
W] response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
4C2J yP3 `X8AM= 接收参数:
$\>GQ~k string a = Request.QueryString("id");
g+gHIb7{ string b = Request.QueryString("id1");
M$L1!o1Xf *9}2Bmojv 2.为按钮添加对话框
JF]HkH_u Button1.Attributes.Add("onclick","return confirm(’确认?’)");
T69'ta32V button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
mc_`:I= +D|y))fE 3.删除表格选定记录
|,F/_ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
gCAWRNp string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
tE/s|v#O L_uliBn 4.删除表格记录警告
n0#HPI" private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
6P;JF%{J {
`As.1@ switch(e.Item.ItemType)
/C29^ P {
%7q,[g8 case ListItemType.Item :
3X,9K23T case ListItemType.AlternatingItem :
g9OO#C> case ListItemType.EditItem:
+^hFs7je) TableCell myTableCell;
1lu_<?O myTableCell = e.Item.Cells[14];
@qH{; LinkButton myDeleteButton ;
Kl~jcq&z myDeleteButton = (LinkButton)myTableCell.Controls[0];
.Rxz;-VA myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
SLRQ3<0W_ break;
}./__gJ default:
6JBE=9d-Q break;
Jla ;^X }
='<0z?Af rz0~W6 U }
/m%Y.:g k0.|%0?K 5.点击表格行链接另一页
W@jBX{k private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
U}(*}Ut {
\M1- //点击表格打开
x7 jE
Ns ) if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
N8;/Zd;^ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
[#V?]P\uV }
EI6K0{'&X SN O'*? 双击表格连接到另一页
4Y8/>uL k,O("T[ 在itemDataBind事件中
!]7r>NS> if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
1I^[_ /_\y {
W\gu"g`u string OrderItemID =e.item.cells[1].Text;
#:v}d+ ...
)xIk#>) e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
_c?&G` }
:Zl@4} dM8`!~#&PI 双击表格打开新一页
*j RNpB{)z if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_!kL7qJ" {
xpt*S~ string OrderItemID =e.item.cells[1].Text;
rI)op1K ...
}$r/#F/Fn e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
jHq.W95+P }
eS9uKb5n( \&|)?'8rS ★特别注意:【?id=】 处不能为 【?id =】
<rV3(qb#]J 6.表格超连接列传递参数
,[&@? <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
8C3oj <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
8.bIP
ju%v y`!~JL* 7.表格点击改变颜色
sui3(wb if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
>QV=q`I {
7(AB5.O e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
5]DgfwX this.style.color=’buttontext’;this.style.cursor=’default’;");
'Y{fah }
B B*]" gT @w|'ip5@ 写在DataGrid的_ItemDataBound里
XOK.E&eilj if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
FjD`bhw- {
Bfwa1#%? e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
j4>1a this.style.color=’buttontext’;this.style.cursor=’default’;");
o_hk!s^4m e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
oZTKG' }
X8aNl"x Xi`K`Cu+ O+hN?/>v 8.关于日期格式
Lq.aM.&;# -:]_DbF 日期格式设定
qELy'\ DataFormatString="{0:yyyy-MM-dd}"
$6Z@0H@X ]pC/6' 我觉得应该在itembound事件中
p\T.l<p e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
2;N)>[3*J X,dOF=OJL 9.获取错误信息并到指定页面
j}~3m$ _GSl}\ 不要使用Response.Redirect,而应该使用Server.Transfer
MBZ/Pzl~ AdV&w: ^yf e.g
$2N)m:X0 // in global.asax
co^kP##Y protected void Application_Error(Object sender, EventArgs e) {
Bbk=0+ ^8I if (Server.GetLastError() is HttpUnhandledException)
^ 'W<| Server.Transfer("MyErrorPage.aspx");
.=rS,Tpo hJ[Z~PC\T0 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
iOk^RDG+ }
T 2Uu/^ 0 ~2~^A#]\ Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
Bg.~#H @T>\pP]o 10.清空Cookie
>p"ytRu^ Cookie.Expires=[DateTime];
q^5j&jx Vl Response.Cookies("UserName").Expires = 0
iK&s_}i: }',/~T6 11.自定义异常处理
vhe[:`=a //自定义异常处理类
?J[m)Uo/K using System;
f'501MJu using System.Diagnostics;
B.)!zv\{ h+ixl#: namespace MyAppException
O2z{>\ {
k0[b4cr` /// <summary>
wB%:RI, /// 从系统异常类ApplicationException继承的应用程序异常处理类。
PL*Mz(&bf /// 自动将异常内容记录到Windows NT/2000的应用程序日志
3.[ fTrzJ /// </summary>
(t$jb|Oa public class AppException:System.ApplicationException
jhU'UAn {
7Aj
o9 public AppException()
N$cm;G=] {
:xqhPr]e if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
S.G"*'N }
Yi?X|"\` %9
kOl public AppException(string message)
RRXnj#<g {
Ph{7S43 LogEvent(message);
# !:u*1 }
zn!H&!8& ,0j7qn@tm public AppException(string message,Exception innerException)
Wd9y8z; {
+MHsdeGU1W LogEvent(message);
d2cslDd if (innerException != null)
FBDRb J
su {
Tf0"9 LogEvent(innerException.Message);
F ?APDGAN }
by*?PhfF }
hh%fmc K'/,VALp //日志记录类
k&oq6!ix using System;
nw.,`M,N using System.Configuration;
WD`z\{hcom using System.Diagnostics;
,Z_aZD4 using System.IO;
`=}w(V8pc using System.Text;
fv;3cxQp using System.Threading;
$C&y-Hnar `B1r+uTP~ namespace MyEventLog
Hj\iI p {
Oq[2<ept /// <summary>
rzl0*CR /// 事件日志记录类,提供事件日志记录支持
__B`0t /// <remarks>
Y! 8 I /// 定义了4个日志记录方法 (error, warning, info, trace)
M/Twtq-`H /// </remarks>
u*W6fg/" /// </summary>
7,^.h<@K public class ApplicationLog
te<lCD6 {
S)n+E\c /// <summary>
W##~gqZ/ /// 将错误信息记录到Win2000/NT事件日志中
_klT /// <param name="message">需要记录的文本信息</param>
goJK~d8M* /// </summary>
gG?sLgL: public static void WriteError(String message)
3?n2/p
7= {
F"G]afI9+ WriteLog(TraceLevel.Error, message);
}{oZdO }
M15jwR!:M fN|'aq*Pd /// <summary>
mFGiysM /// 将警告信息记录到Win2000/NT事件日志中
NKy Ksu
/// <param name="message">需要记录的文本信息</param>
Hv3<gyD /// </summary>
{S$]I)tV public static void WriteWarning(String message)
1:.I0x! {
]cKxYX)J WriteLog(TraceLevel.Warning, message);
zJMm=Mw^ }
ru>c\X^| y\C_HCU H /// <summary>
4?u<i=i /// 将提示信息记录到Win2000/NT事件日志中
'0jjoZ: /// <param name="message">需要记录的文本信息</param>
(X{o =co, /// </summary>
o`{@':%D` public static void WriteInfo(String message)
R= co2 5 {
DI)!x {" WriteLog(TraceLevel.Info, message);
'v~%rhq3 }
mne?r3d /// <summary>
Mhwuh`v% /// 将跟踪信息记录到Win2000/NT事件日志中
wG-lR,glb /// <param name="message">需要记录的文本信息</param>
phc9esz /// </summary>
zm{U.Q public static void WriteTrace(String message)
zF7*T?3b" {
yh'uH WriteLog(TraceLevel.Verbose, message);
0!5w0^1 }
5
A2u|UU "3Lq/mJYnZ /// <summary>
4?c4GT9(6S /// 格式化记录到事件日志的文本信息格式
TGSkJ 1Lx /// <param name="ex">需要格式化的异常对象</param>
G@=H='
:~ /// <param name="catchInfo">异常信息标题字符串.</param>
ETMF.-P /// <retvalue>
VZ1u/O?ub /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
!zR1CM /// </retvalue>
,?KN;~t#vz /// </summary>
Q|]
9 public static String FormatException(Exception ex, String catchInfo)
"T~ce@ {
5bHS| < StringBuilder strBuilder = new StringBuilder();
~6!TMVr if (catchInfo != String.Empty)
H\^zp5/ {
d#>iFD+ strBuilder.Append(catchInfo).Append("\r\n");
CYHo~VIK }
J;#7dRW{ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
C4.g}q return strBuilder.ToString();
RK\$>KFE }
wyC1M ^)i1b:4 /// <summary>
C#tY};t /// 实际事件日志写入方法
jT $ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
abw7{%2 /// <param name="messageText">要记录的文本.</param>
%1UdG6&J_ /// </summary>
CS\T@)@t private static void WriteLog(TraceLevel level, String messageText)
zv>7;En3 {
'p> *4} try
S
@t pd' {
o"Mhwh EventLogEntryType LogEntryType;
? f>pKe switch (level)
+/|t8z FWs {
fKkH
[ case TraceLevel.Error:
6U?z LogEntryType = EventLogEntryType.Error;
rL3 f%L break;
7]pi .1i case TraceLevel.Warning:
/{sFrEMP\ LogEntryType = EventLogEntryType.Warning;
7
yp} break;
@@~Ql case TraceLevel.Info:
)2dTgvy LogEntryType = EventLogEntryType.Information;
uNXKUJ V0 break;
0sGAC case TraceLevel.Verbose:
5fuB((fd( LogEntryType = EventLogEntryType.SuccessAudit;
W, -fnJk break;
Izr_]% default:
Pp~:e} LogEntryType = EventLogEntryType.SuccessAudit;
FNgC TO% break;
9TZ4ffXV* }
?o883!&v 5* 3T+OK EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
(sN;B) //写入事件日志
@yxF/eeEy+ eventLog.WriteEntry(messageText, LogEntryType);
c@<vFoq KoF_G[m }
j _p|>f<} catch {} //忽略任何异常
*wNO3tP't }
S*9qpes-m| } //class ApplicationLog
CTh!|mG }
~3r}6,% /KLs+^c5 12.Panel 横向滚动,纵向自动扩展
r.#"he_6!. <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
]aqg{XdGt qEy]Rc% 13.回车转换成Tab
ai@hQJ* <script language="javascript" for="document" event="onkeydown">
7%F8 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
=lG/A[66 event.keyCode=9;
ON
q =b I* </script>
86HK4sES 3Sh#7"K3 onkeydown="if(event.keyCode==13) event.keyCode=9"
Kh,zp{ '%\FT-{ 14.DataGrid超级连接列
'BmLR{[2L DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
ae-hQF& *CS2ndp 15.DataGrid行随鼠标变色
Tn"/EO^N private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
%IhUQ6 {
-FrNk> if (e.Item.ItemType!=ListItemType.Header)
[Z$E^QAP {
9Atnnx]n e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
1$1[6
\3v e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
at5>h }
Ka|,
qkb }
GT3?)g{Z zEN3Nn.8 16.模板列
(// f"c]/ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
qrxn%#\XP <ITEMTEMPLATE>
o b,%); m <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
0kOl,%Ey </ITEMTEMPLATE>
" _{o}8L </ASP:TEMPLATECOLUMN>
.QVZ! 7w?V0pLwn8 <ASP:TEMPLATECOLUMN headertext="选中">
|| 0n%"h>i <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
6(as.U>K <ITEMTEMPLATE>
NPY\ >pf <ASP:CHECKBOX id="chkExport" runat="server" />
U,e'vS{ </ITEMTEMPLATE>
H\!p%Y <EDITITEMTEMPLATE>
/ij)[WK@ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
]
lONi </EDITITEMTEMPLATE>
I`-N]sf^ </ASP:TEMPLATECOLUMN>
guc[du B;=-h(E}vJ 后台代码
%S9YjMR@ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
ecIZ+G)k {
*s1^s;LR //改变列的选定,实现全选或全不选。
7 S6@[-E CheckBox chkExport ;
\!Cc[n(f# if( CheckAll.Checked)
/.m&rS {
.`@)c/<0 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
TP R$oO2 {
9qcA+gz:| chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
YRRsbm{ chkExport.Checked = true;
OJ!=xTU%h }
#|R#/Yc@Bv }
{2,vxGi else
p;0p!~F=49 {
ckhU@C|=* foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
-{O>'9'1A {
{@YY8SKb9 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
su\iUi chkExport.Checked = false;
=R6IW,* }
l>){cI/D# }
bbe$6x wi }
HY!R | =&~7Q" 17.数字格式化
2>+(OL4l z}z 6Vg 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
%<]4]h <%#Container.DataItem("price","{0:¥#,##0.00}")%>
@]F1J ;U)xZ _Ew~ int i=123456;
hteAuz4H string s=i.ToString("###,###.00");
=`pH2SJT w]O[{3" 18.日期格式化
CR8szMa
Swr
8 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
?DrA@;IB A29R5 显示为: 2004-8-11 19:44:28
hH(w O\s !YVGT
< 我只想要:2004-8-11 】
? dh <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
J5Ovj,[EZ M~eXC 应该如何改?
QCAoL.v /nWBo l, 【格式化日期】
E*AI}:or; mJNw<T4!/ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
7z;X@+O}s v|Y
ut~ 【日期的验证表达式】
cNl NJ N@#,Y nPI A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
lW|`8ykp ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
z3Zo64V~7 rt0_[i B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
[nASMKK0 ^\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]))$
JnIE6@g<y IhjZ{oV/@ 【大小写转换】
4G2iT+X- HttpUtility.HtmlEncode(string);
iY*fp=c9 HttpUtility.HtmlDecode(string)
Mz 6PH)e; p?2^JJpUb 19.如何设定全局变量
=&I9d;7 Ef$a&*)PH Global.asax中
`?G&w.Vs ,GF]+nI89 Application_Start()事件中
b4&l=^:e= ?DGg.2f 添加Application[属性名] = xxx;
74r$)\q FrC)2wX 就是你的全局变量
NHiac(&* T5Iz{Ha 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
-v! ; Y'<wE2ZL) HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
A <_{7F9 yV*jc`1
【ASPNETMENU】点击菜单项弹出新窗口
"H#pN;)+ c] - 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
:s*t\09V7 <?xml version="1.0" encoding="GB2312"?>
K7R!E,oPg <MenuData ImagesBaseURL="images/">
)FN\jo!!. <MenuGroup>
z HT#bP:o <MenuItem Label="内参信息" URL="Infomation.aspx" >
#/>
a`Ur_ <MenuGroup ID="BBC">
wk#cJ`wG; <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
A0,h7<i <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
U@9v(TfV ......
<JIqkGeAi D-FT3Culw 最好将你的aspnetmenu升级到1.2版
f0879(,i Eh^gR`I 21.读取DataGrid控件TextBox值
Z((e-T#, foreach(DataGrid dgi in yourDataGrid.Items)
T+q5~~\d {
+%H=+fJ2} TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
U1 `pY:P tb.Text....
eX1_=?$1P }
7K ~)7U n-g#nEc: 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
`=S%!akj KZO[>qC"R 〖思归〗
&kcmkRRG <asp:TemplateColumn HeaderText="数量">
4V c``Um <ItemTemplate>
z%BX^b$Hj <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
ht#,v5oG>f onkeyup="javascript:DoCal()"
1BgHkDW />
=KAN|5yn hXvC>ie(i <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
[nG[ x|;| </ItemTemplate>
~^'WHuzPy </asp:TemplateColumn>
I:w+lchAMe 6VS_L@ <asp:TemplateColumn HeaderText="单价">
f:t j
<ItemTemplate>
u1gD*4+ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
AQ0zsy onkeyup="javascript:DoCal()"
4T$DQK@e />
:;c`qO4 ZvLI~ul(zT <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
sgnc$x" qA[cF$CIl) </ItemTemplate>
7{l~\]6d </asp:TemplateColumn>
Z
+O<IF% pFV~1W: <asp:TemplateColumn HeaderText="金额">
0fLd7*1> <ItemTemplate>
9Fw NX <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Q,Y^9g"B`~ </ItemTemplate>
]omBq<ox'Y </asp:TemplateColumn><script language="javascript">
*yY\d.6( function DoCal()
3[m2F O,Z {
hd,O/-m# var e = event.srcElement;
tK?XU9o var row = e.parentNode.parentNode;
x<OVtAUB var txts = row.all.tags("INPUT");
\j-:5M#m if (!txts.length || txts.length < 3)
+md"X@k5* return;
&;`E3$> u#`51Hr$ var q = txts[txts.length-3].value;
,b5vnW\ var p = txts[txts.length-2].value;
xZM4CR9]*C MttFB;Tp if (isNaN(q) || isNaN(p))
mxu !$wx return;
j,SZJ{ebXg E$&bl q = parseInt(q);
|
+uc;[` p = parseFloat(p);
'1fyBU US"UkY-\ txts[txts.length-1].value = (q * p).toFixed(2);
c4r9k-w0E }
LU8:]zOY </script>
\rO!lvX `I4E':
ZG ImD&~^-_< Sqyju3Yp eAqpP>9n 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。
g[uf
e< page_load
yq<W+b/ page.smartNavigation=true
-N6ek` d0f(U k 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 ?
tA,J~|+f: private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
94]i|2qj* {
k*C[-5&# for(int i=0;i<e.Item.Cells.Count-1;i++)
k7L4~W if(e.Item.ItemType==ListItemType.EditType)
pp{GaCi {
U!K#g_} e.Item.Cells.Attributes.Add("Width", "80px")
;O5Iu }
-}( o+!nl }
<OJqeUo+*\ N3a ]!4Y\ 26.对话框
q_L. Sy|) private static string ScriptBegin = "<script language=\"JavaScript\">";
QFoCi& private static string ScriptEnd = "</script>";
JsMN_%y? )q\6pO@ public static void ConfirmMessageBox(string PageTarget,string Content)
rOj(THoc{ {
s8qpK; O string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
- DYH>! ='C;^
Bk ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
;B(16&l=q 0ia-D`^me Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
.|TF /b] ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
yX%> %#$ //Response.Write(strScript);
t("koA=. }
o]&P0 b :S!!J*0 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Ml{4)%~Y7f '"ze Im~ 1.1 取当前年月日时分秒
L'"c;FF02i currentTime=System.DateTime.Now;
)nK+`{;@! 8YgRJQZ! 1.2 取当前年
"gDk?w int 年= DateTime.Now.Year;
TV0Y{x*~iH gp
H@FX 1.3 取当前月
i=pfjC int 月= DateTime.Now.Month;
wAzaxeV= 5$X 8|Ve 1.4 取当前日
g2 mq?q(g int 日= DateTime.Now.Day;
-lq`EB+ knb0_nA 1.5 取当前时
O`N,aYo int 时= DateTime.Now.Hour;
BGOS( V>UlL&V 1.6 取当前分
CDr0QM4k:. int 分= DateTime.Now.Minute;
5Fq+^ s.KfMJ"u[ 1.7 取当前秒
c|(Q[= int 秒= DateTime.Now.Second;
M9(lxu y1 /5
OQ0{8p 1.8 取当前毫秒
!ZCxi
int 毫秒= DateTime.Now.Millisecond;
RQ#9[6w!v AP4s_X+= 28.自定义分页代码:
#!_ViG )2^ Fta=yH} 先定义变量 :
&Wk:>9]Jrb public static int pageCount; //总页面数
5>=4$!` public static int curPageIndex=1; //当前页面
_(8N*q*w O@:R\MwFOZ 下一页:
LA(/UA3Izd if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
rTJ;s {
-b?s\X DataGrid1.CurrentPageIndex += 1;
IEI&PRD curPageIndex+=1;
UF}Ji#fqn }
ld5+/"$ E%Ko[G bind(); // DataGrid1数据绑定函数
o0dD Q#&6J =} 上一页:
$`lGPi(Jc if(DataGrid1.CurrentPageIndex >0)
KmqgP`Cu {
, 0?_?
GO DataGrid1.CurrentPageIndex += 1;
/L2.7`5 curPageIndex-=1;
Wi~?2-!
}
KmWd$Qy, 9tmnx')_ bind(); // DataGrid1数据绑定函数
zqRps8= q!Z{qt*`um 直接页面跳转:
"=$uv int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Vp1Nk#H ndk~(ex|j if(a<DataGrid1.PageCount)
k[*> nE {
&F'n
>QT9q this.DataGrid1.CurrentPageIndex=a;
i|S/g.r }
f/m0,EERk =t|,6Vp bind();
tvUC d} 0^F!-b^z 29.DataGrid使用:
KcpQ[6\ )t2 eg1a: 添加删除确认:
3XncEdy_ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
n9Vr*RKM) {
Pv*]AF;9pQ foreach(DataGridItem di in this.DataGrid1.Items)
Su+[Q6oC@ {
iRV=I, if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
P\@efq@! {
{CX06BP ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
dChMjaix }
g?u=n`k]\ }
E0u&hBd3_ }
'<6DLtZl F^?DnZs 样式交替:
\9}DAM_ ListItemType itemType = e.Item.ItemType;
`1lGAKv >^ E*7Bfp if (itemType == ListItemType.Item )
,=: -&~? {
RQ 8;_)% e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
TrQUhmS/! e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
z]&?}o }
CbOCL~ " else if( itemType == ListItemType.AlternatingItem)
t"vkd {
lx> ."rW e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
WfYG#!}x e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
<driD'=F }
Xwd9-: FJn.V1 添加一个编号列:
&7r a DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
O.jCDAP DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
oFsV0 {x%) cNye@}$lu for(int i=0;i<dt.Rows.Count;i++)
^zfs8]QSf {
/Zxq-9
dt.Rows["number"]=(i+1).ToString();
7"OJ,Mx% }
-wh 0g#x QzE DataGrid1.DataSource=dt;
fm!\**Q1 DataGrid1.DataBind();
D2RvFlAXu I__a}|T% DataGrid1中添加一个CheckBox,页面中添加一个全选框
o/&
IT(v private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
p =-~qBw {
e$&n)>% foreach(DataGridItem thisitem in DataGrid1.Items)
}T}xVd0 {
'X`W+=T$ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
%D~Mij }
yD@1H(yM }
|7${E^u Eqh*"hE7 将当前页面中DataGrid1显示的数据全部删除
R*r"}; foreach(DataGridItem thisitem in DataGrid1.Items)
!7p&n3dz {
7m}fVLk if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
p1W6 s0L {
Q 9E.AN string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
_(I)C`8m Del (strloginid); //删除函数
<(H<*Xf9 }
?]o(cz }
dnh~An 9 n~ 0MhE0H 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)
WQbjq}RfI C~C`K%7 在Application_Start中添加以下代码:
U+C^"[B Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
G&