1. 打开新的窗口并传送参数:
&FuL{YL r)OiiD" 传送参数:
-/V(Z+dj response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
E
AZX e<*qaUI 接收参数:
F-oe49p5e string a = Request.QueryString("id");
>\w]i*% string b = Request.QueryString("id1");
vB}c6A4'U r7L.W 2.为按钮添加对话框
GdY@$&z{i Button1.Attributes.Add("onclick","return confirm(’确认?’)");
v/=\( button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
>^GV
#z U^7bj 3.删除表格选定记录
<i]0EE}% int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
s]|tKQGl, string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
79D~Mau# qDYNY` 4.删除表格记录警告
1U/RMN3` private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
)RT?/N W {
vhAgX0k switch(e.Item.ItemType)
a2tEp+7? {
&0tW{-Hv" case ListItemType.Item :
nj1o!+9>$ case ListItemType.AlternatingItem :
YB<nz<;JR case ListItemType.EditItem:
m C`*#[ TableCell myTableCell;
Y;%LwDC myTableCell = e.Item.Cells[14];
Z) 2d4:uv LinkButton myDeleteButton ;
5bAdF'~ myDeleteButton = (LinkButton)myTableCell.Controls[0];
Ff(};$/&W myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
NkO+)= break;
6@t& default:
d9BFeq8 break;
'^>}
=f }
8Znr1=1
#QIY+muN }
&(A#F[ =0 dH
PvVe/ 5.点击表格行链接另一页
Bv!{V)$ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Wbei{3~$Y" {
M<d!j I9) //点击表格打开
0<a|=kZ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
2l+L96 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
d}':7Np }
nq8XVT.m^\ ()bQmNqmO= 双击表格连接到另一页
2#sFY/@ [DH4iG5 在itemDataBind事件中
pGjwI3_K if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
, ?U)mYhI {
NsP=l] string OrderItemID =e.item.cells[1].Text;
<kPNe>-f ...
PJ0~ymE1~G e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
]% HxzJ }
FHw%ynC 4\u`MR 双击表格打开新一页
yn_f%^!G if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
,?er AI {
-grmmE]/ string OrderItemID =e.item.cells[1].Text;
#dL,d6a ...
&1yJrj9y e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
0NGth(2 }
z k/`Uz 6QCVi ★特别注意:【?id=】 处不能为 【?id =】
W"\}## 6.表格超连接列传递参数
J8p; 1-C" <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
n]`]gLF\i <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
#IvKI+" GdI,&|/ 7.表格点击改变颜色
'ia-h7QWS if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
{?0'(D7. {
I9qFXvqL e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
-^2p@^ this.style.color=’buttontext’;this.style.cursor=’default’;");
b4-gNF]Yt }
SsTBjIX 6qFzo1LO 写在DataGrid的_ItemDataBound里
IDT\hTPIs if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
?'+]d;UO& {
cZ|*Zpk e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
D]fuX|f~ul this.style.color=’buttontext’;this.style.cursor=’default’;");
v:QUwW e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
n=V|NrU }
''@Tke3IG6 i0K 2#}=^ PdqvXc 8.关于日期格式
hmGlGc,lf Ye&/O<G'V 日期格式设定
:_6o|9J\t DataFormatString="{0:yyyy-MM-dd}"
,"is%O. kC%H E 我觉得应该在itembound事件中
wGNEb e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
:rQDA=Ps eN.6l2- 9.获取错误信息并到指定页面
XYuX+&XW/ iL);bv W 不要使用Response.Redirect,而应该使用Server.Transfer
1>rQ).eT !DFTg4xb e.g
P"^Yx8 L# // in global.asax
Y4 z protected void Application_Error(Object sender, EventArgs e) {
j0}wv~\ if (Server.GetLastError() is HttpUnhandledException)
R9R~$@~G Server.Transfer("MyErrorPage.aspx");
mMwV5\( zPp22 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
N^$q;% }
#%k_V+o3 8c-ys-"# Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
En9J7es_ X-((
[A 10.清空Cookie
81x/bx@L% Cookie.Expires=[DateTime];
>^Wpc Response.Cookies("UserName").Expires = 0
>W] Wc4\ \O"H#gt 11.自定义异常处理
m`-:j"]b$ //自定义异常处理类
T$"~Vu using System;
@[9 using System.Diagnostics;
gi,7X\`KQ 3-hcKE namespace MyAppException
>y#MEN>? {
r4/b~n+* /// <summary>
"[~yu*
S /// 从系统异常类ApplicationException继承的应用程序异常处理类。
h<3b+*wYJC /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Nmz5:Rq /// </summary>
j%
7Gje[ public class AppException:System.ApplicationException
,+`r2}N
\/ {
#Mn?Nn public AppException()
ME]4tu {
onSt%5{P%X if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
xbhHP2F| }
8A&N+sT b'+Wf#.]f0 public AppException(string message)
C]mp< {
i=#\`"/ LogEvent(message);
-@>]iBl }
|e@1@q(a[] XLpn3sX$ public AppException(string message,Exception innerException)
L;")C,CwQ {
\-]Jm[]^ LogEvent(message);
E*5aLT5!, if (innerException != null)
*
cW%Q@lit {
2QbKh) LogEvent(innerException.Message);
eR5q3E/;G }
5}hQIO&^% }
A+M4= 9_5>MmiB //日志记录类
6jc5B# using System;
b}Gm{;s! using System.Configuration;
w}l^B>Zz using System.Diagnostics;
1$E [`` n using System.IO;
/]z#V' using System.Text;
Fz(;Eo3 using System.Threading;
153*b^iDBh 18%$Z$K, namespace MyEventLog
A,EG0yb {
8Gy]nD /// <summary>
@4*eH\3 /// 事件日志记录类,提供事件日志记录支持
vzI>:Bf /// <remarks>
i=n;rT /// 定义了4个日志记录方法 (error, warning, info, trace)
Ne|CWUhO /// </remarks>
$!9U\Au>2 /// </summary>
A}9^,C$# public class ApplicationLog
3lWGa7<4Z {
>g!$H}\ /// <summary>
n]#YL4j /// 将错误信息记录到Win2000/NT事件日志中
<Rw2F?S~)n /// <param name="message">需要记录的文本信息</param>
kYkA^Aq /// </summary>
+1cr6a public static void WriteError(String message)
GOdWc9Ta! {
#@BhGB`9Qt WriteLog(TraceLevel.Error, message);
yxu7YGp% }
]SA/KV +0[H`5-^ /// <summary>
9'H:pb2 /// 将警告信息记录到Win2000/NT事件日志中
/1/'zF&R- /// <param name="message">需要记录的文本信息</param>
G2wSd'n*y /// </summary>
0N!rIz public static void WriteWarning(String message)
t&43)TPb. {
U`~L}w" WriteLog(TraceLevel.Warning, message);
Pl'lmUR }
h~sTi o<48' >[ /// <summary>
>V)#y$Z /// 将提示信息记录到Win2000/NT事件日志中
bz nMD /// <param name="message">需要记录的文本信息</param>
\Kui`X /// </summary>
nnRb public static void WriteInfo(String message)
YR\(*LJL {
[AFR \{ WriteLog(TraceLevel.Info, message);
63\
CE_p }
j-J/yhWO& /// <summary>
[g"nu0sOK /// 将跟踪信息记录到Win2000/NT事件日志中
z [[qrR /// <param name="message">需要记录的文本信息</param>
)
4t%?wT /// </summary>
<e
9d5-2 public static void WriteTrace(String message)
)!AH0p {
6W YVHG WriteLog(TraceLevel.Verbose, message);
Z"Lr5'} }
=jm\8sl~~ Ew.6y=Ba /// <summary>
{Q$8p2W /// 格式化记录到事件日志的文本信息格式
#lMIs4i. /// <param name="ex">需要格式化的异常对象</param>
8v/,<eARJ /// <param name="catchInfo">异常信息标题字符串.</param>
MX#LtCG#V /// <retvalue>
=[aiW|Y /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
A?n5;mvq# /// </retvalue>
vD#kH1 /// </summary>
a|y'-r90 public static String FormatException(Exception ex, String catchInfo)
%8DI)n#H {
jpYZ)
So- StringBuilder strBuilder = new StringBuilder();
KIY`3Fl09 if (catchInfo != String.Empty)
N?rE:0SJ {
Y#9bM$x7 strBuilder.Append(catchInfo).Append("\r\n");
mDA+
.l&)b }
45-x$o strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
W+GBSl return strBuilder.ToString();
(0y!{ (a }
D5Rp<PBq, >u0XV "g$ /// <summary>
4yTgH0(T /// 实际事件日志写入方法
R9- mq;u+ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
p {.6 /// <param name="messageText">要记录的文本.</param>
fbdpDVmpU /// </summary>
I4qS8~+# private static void WriteLog(TraceLevel level, String messageText)
H^o_B1 {
@>ys,dy try
k&[6Ld0~56 {
W"\`UzOLQ EventLogEntryType LogEntryType;
T%"wz3~ switch (level)
5sEk rT ' {
ep5`&g]3 case TraceLevel.Error:
^(T~ Q p LogEntryType = EventLogEntryType.Error;
[q0^Bn}h break;
,bM): case TraceLevel.Warning:
<h+UC# .x LogEntryType = EventLogEntryType.Warning;
FD%OG6db]; break;
'bH~KK5 case TraceLevel.Info:
8yOhKEPX LogEntryType = EventLogEntryType.Information;
o+k*ia~Fa break;
=_N$0 case TraceLevel.Verbose:
!w/fwOo LogEntryType = EventLogEntryType.SuccessAudit;
VS`{k^^ break;
o)b-fAd@$ default:
S1~EJa5H LogEntryType = EventLogEntryType.SuccessAudit;
<f)T*E^5% break;
'Zex/:QS }
sc-h O9~k !H)!b#_ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
l*CCnqE //写入事件日志
h{\S '8 eventLog.WriteEntry(messageText, LogEntryType);
hfc~HKLC 9zx9t }
p74Nd4U$s catch {} //忽略任何异常
|#xBC+ }
3H>\hZ } //class ApplicationLog
G<rAM+B*g }
dqgr98 &+hk5?c / 12.Panel 横向滚动,纵向自动扩展
[ gR,nJH. <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
3;uLBuZOCN 5TeGdfu @ 13.回车转换成Tab
FH%:NO <script language="javascript" for="document" event="onkeydown">
Ks^wX if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
nHF~a?|FT event.keyCode=9;
hVFZQJ?cv </script>
211T}a {5ehm onkeydown="if(event.keyCode==13) event.keyCode=9"
B=r+
m;( |{,c2Ck:N 14.DataGrid超级连接列
ZifDU@J$t DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
z.h;}QRJ,@ \j.l1O 15.DataGrid行随鼠标变色
T.%yeJiE private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
y^Q);siSy {
^e\$g2). if (e.Item.ItemType!=ListItemType.Header)
{7$jwk {
"8a ?KQ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
~`$P-^u88X e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
G~_D'o<r }
d|W=_7z }
,E%O_:}R {C8IYBm 16.模板列
#l9sQ-1Q <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
QWt3KW8) <ITEMTEMPLATE>
Azr|cKu] <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
d}|z+D </ITEMTEMPLATE>
T>hm\ ! </ASP:TEMPLATECOLUMN>
XW2ZQMos1 Bk5 ELf8pL <ASP:TEMPLATECOLUMN headertext="选中">
W|sU[dxZ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
{z;K0 <ITEMTEMPLATE>
z/WGL <ASP:CHECKBOX id="chkExport" runat="server" />
7dE.\#6r </ITEMTEMPLATE>
![I|hB <EDITITEMTEMPLATE>
Dwr" - <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
OP=-fX|*Q </EDITITEMTEMPLATE>
i;Kax4k </ASP:TEMPLATECOLUMN>
'9Q#%E!* rmWsob 后台代码
CQ{{J{pU" protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
Vvfd?G" {
zyP/'X_~: //改变列的选定,实现全选或全不选。
7.)_H CheckBox chkExport ;
3'0Jn6( if( CheckAll.Checked)
tef>Py {
D=.Ob<m`Z foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
kf |J {
i]@k'2N chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
@FF{lK?[
chkExport.Checked = true;
LZ&I<ID`- }
udc9KuR@ }
1#fR=*ZM" else
X1[zkb {
eQ6wEeB9 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
XVo+ <& {
2\#$::B9 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
(4C)]
RHQ chkExport.Checked = false;
E]a;Ydf~ }
J!3;\ }
hl)jE
06 }
uc]5p(9Hb d6??OO=~>M 17.数字格式化
A9J{>f
F,K))325 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
q['3M<q <%#Container.DataItem("price","{0:¥#,##0.00}")%>
}5$le] Yn?Xo_Y int i=123456;
U.I7p string s=i.ToString("###,###.00");
4v{Ye,2 _)YB*z5 18.日期格式化
U 17=/E 8b4?
O" 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
jJ'NYG k$DRX)e 显示为: 2004-8-11 19:44:28
<QaUq`, +br'
2Pn 我只想要:2004-8-11 】
JP^x]t: <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
q& KNK W?ghG 应该如何改?
O9ro{ k Pj BBXI1i 【格式化日期】
m0^~VK | C58B(Ndo 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
u{D]Kc?n qa8?bNd'f 【日期的验证表达式】
fgF@ x /V]i3ac A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
p=i6~ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
8A-*MU`+ 9.#")%_p B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
#8BI`.t)j ^\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]))$
X_Pbbx_j z-sq9Qp&x 【大小写转换】
GyFA1%(o HttpUtility.HtmlEncode(string);
'[_.mx|cd` HttpUtility.HtmlDecode(string)
FBzsM7]j `@u9 fx. 19.如何设定全局变量
n%02,pC6, x[+bLlb Global.asax中
i 2[8^o`_ zh(=kS` Application_Start()事件中
'9&@?P; <'hoN/g 添加Application[属性名] = xxx;
P^lzbWj^ Li 9$N"2 就是你的全局变量
Tn\{*A 0Xn,q]@Z 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
pDhUD}1G <1_3`t HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
|;p.!FO 4gmlK,a 【ASPNETMENU】点击菜单项弹出新窗口
g2u\gR5 yKm6
8n^
在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
I58$N+# <?xml version="1.0" encoding="GB2312"?>
IfI:|w}:"r <MenuData ImagesBaseURL="images/">
8&qtF.i-6 <MenuGroup>
*Z2Ko5&Y2 <MenuItem Label="内参信息" URL="Infomation.aspx" >
`ooHABC <MenuGroup ID="BBC">
M@*Y&(~ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
z|(<Co8#. <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
Vk[M .=J ......
`v2Xp3o4f aQ&K a 最好将你的aspnetmenu升级到1.2版
XSh[#qJ &W `7 b< 21.读取DataGrid控件TextBox值
]z#Ita; foreach(DataGrid dgi in yourDataGrid.Items)
hC]:+.Q+ {
*Aug7
HlS TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
p^ OHLT tb.Text....
N'pYz0_H }
+4[9Eb'k= |fgh
ryI, 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?
#hXvGon$? +u&3pK>f 〖思归〗
t/3qD7L <asp:TemplateColumn HeaderText="数量">
G)o:R iq <ItemTemplate>
5EECr
\* <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
lWP]}Uy=5~ onkeyup="javascript:DoCal()"
[O]rf+NZ(5 />
#v6<9>% u1.0-Y? <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Y&DoA0/y </ItemTemplate>
# |OA>[ </asp:TemplateColumn>
s<3M_mt q; C6ID` <asp:TemplateColumn HeaderText="单价">
OF-g7s6VH <ItemTemplate>
slP>; <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
j|XL$Q onkeyup="javascript:DoCal()"
-q?, />
]4K4Nh~ X7tBpyi <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
tv:
mjS s |o(~2j </ItemTemplate>
%;aB#:p6 </asp:TemplateColumn>
kcMg`pJ4< ,,ML^ey <asp:TemplateColumn HeaderText="金额">
_C|j"f/} <ItemTemplate>
KYz@H#M <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
g{kjd2 </ItemTemplate>
7fl{<uf </asp:TemplateColumn><script language="javascript">
s={IKU&m[ function DoCal()
e:T9f(' {
GSfU*@L3 var e = event.srcElement;
>CHb;*U var row = e.parentNode.parentNode;
T?tZ?!6 var txts = row.all.tags("INPUT");
la^K|!| if (!txts.length || txts.length < 3)
mDuS-2G=D return;
LE?sAN [b~+VeP+p4 var q = txts[txts.length-3].value;
]xbMMax var p = txts[txts.length-2].value;
pP#|: % ~|LAe-e" if (isNaN(q) || isNaN(p))
Eb5BJ-XeS^ return;
l=#b7rBP OO,EUOh-T: q = parseInt(q);
bPV;" p = parseFloat(p);
VS_I'SPPIc #GUD^#Jh txts[txts.length-1].value = (q * p).toFixed(2);
4sC)hAx&f }
X[SIk%{D </script>
d-8{}Q E#!.;AQ &(|Ot`el]v ]c6h'} 10N0?K" 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。
O&VA79\UO page_load
{Wfwf page.smartNavigation=true
- "{hP OgHqF,0MN 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 ?
]M~7L[ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
u0qTP] {
] 8<`&~a for(int i=0;i<e.Item.Cells.Count-1;i++)
ZQ-6n1O if(e.Item.ItemType==ListItemType.EditType)
mSO7 r F {
sG^{
cn e.Item.Cells.Attributes.Add("Width", "80px")
C@pn4[jTl }
OXB 5W#$ }
*R7bI?ow I<Mb/!TQ 26.对话框
oE0~F|(\1 private static string ScriptBegin = "<script language=\"JavaScript\">";
i8f +woZL private static string ScriptEnd = "</script>";
bh3yH>Zns 7=&+0@R#/d public static void ConfirmMessageBox(string PageTarget,string Content)
;*=7>"o'` {
%CUwD string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
=T)y(]
;M$ @![1W@J ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
:z%Zur+n c $P2*qpqy Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
S9'Xsh ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
;3%Y@FS@ //Response.Write(strScript);
UVW4KUxR }
vjA!+_I6 @twi<U_ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Tz0XBH_ su\`E&0V+ 1.1 取当前年月日时分秒
(.5Ft^3W currentTime=System.DateTime.Now;
<vb7X uWP0(6 % 1.2 取当前年
*Y!RU{w+Z int 年= DateTime.Now.Year;
b~<:k\EE f>&*%[fw 1.3 取当前月
*<}R=X. int 月= DateTime.Now.Month;
abS3hf !JVv`YN 1.4 取当前日
F'JT7#eX int 日= DateTime.Now.Day;
8I<j"6`+Q A.RG8" 1.5 取当前时
`\/\C[Gg int 时= DateTime.Now.Hour;
I$XwM Tl+PRR6D* 1.6 取当前分
`P$X`;SwE int 分= DateTime.Now.Minute;
Fzn! 0<^Qj.(9 1.7 取当前秒
q%,y66pFr int 秒= DateTime.Now.Second;
!Y/S 2J APCE}%1U 1.8 取当前毫秒
4ti,R' int 毫秒= DateTime.Now.Millisecond;
U r8JG&, k?1e+ \ 28.自定义分页代码:
y'z9Ya kxmsrQ>av 先定义变量 :
tJGK9!MH{( public static int pageCount; //总页面数
{s6hi#R> public static int curPageIndex=1; //当前页面
}%^ 3 c6iFha;db 下一页:
^g.HJQ'vF if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
[@]i_L[ {
L=WKqRa>4 DataGrid1.CurrentPageIndex += 1;
qc a=a} curPageIndex+=1;
Pu 'NSNT }
;*d?Qe: xqauSW bind(); // DataGrid1数据绑定函数
(UTA3Db WmRu3O 上一页:
IGlM}
?x if(DataGrid1.CurrentPageIndex >0)
}Nma %6PfV {
EoS6t DataGrid1.CurrentPageIndex += 1;
g!)*CP#; curPageIndex-=1;
5,\|XQA5! }
E
5mYFVK /2Ok;!. bind(); // DataGrid1数据绑定函数
def\=WyK o
WAy[ 直接页面跳转:
ME.!l6lm\ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
g!z &lQnZ E
0@u| if(a<DataGrid1.PageCount)
Sw>,Q-32 {
*Xn6yL9 this.DataGrid1.CurrentPageIndex=a;
}C$D-fH8sW }
M<SV H_ e+?;Dc-SJ\ bind();
tJm1Q#|| ):n'B` f}z 29.DataGrid使用:
Dv4 H^ zhY]! 添加删除确认:
f=Oj01Ut* private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
NS "1zR+ {
.k%/JF91n foreach(DataGridItem di in this.DataGrid1.Items)
o)'06FF\$ {
JM53sx4& if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
(-@I'CFd {
KHM,lj* ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
j!@,r^( }
`H9!Z$7G }
OU*skc> }
0%yPuY> w BoP&l 样式交替:
~b%dBn]n> ListItemType itemType = e.Item.ItemType;
M}
+s_h9 &egP3 if (itemType == ListItemType.Item )
#E#@6ZomT {
6p.y/LMO e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
ucJ8l(?Qc e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
u]]mbER*t# }
ET%F+ else if( itemType == ListItemType.AlternatingItem)
.Y }k@T40a {
%H3iX^}* e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
8k_hX^ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
*=Ma5J. }
]}.|b6\ )"63g 添加一个编号列:
j#YVv c% DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
7324#Hw S DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
}}Gkipp 3w/z$bj for(int i=0;i<dt.Rows.Count;i++)
b$tf9$f {
/sqfw,h@ dt.Rows["number"]=(i+1).ToString();
f*^bV_ }
wp@6RJ :J+ANIRI DataGrid1.DataSource=dt;
LCb0Kq}*/( DataGrid1.DataBind();
x6vkd%fCj c]|Tg9AW DataGrid1中添加一个CheckBox,页面中添加一个全选框
ojVN-*5
private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
;)ERxMun {
sGa " foreach(DataGridItem thisitem in DataGrid1.Items)
g<:TsP'| {
N1U.1~U ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
'Hu+8,xA }
%Siw> }
ppeF,Q V2g"5nYT 将当前页面中DataGrid1显示的数据全部删除
\\Z?v,XsS foreach(DataGridItem thisitem in DataGrid1.Items)
;x/.8fA {
|_a^+!P if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
_Ecs{'k {
~W3t(\B' string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
]puDqu5! Del (strloginid); //删除函数
LwH+X:?i }
t{Ks}9B }
f+Fzpd?w S C\ 34R 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)
e'fo^XQn[ F'ez{B\AX 在Application_Start中添加以下代码:
vJ;0%;eu[! Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
tn |H~iF{ AppSettings["ConnStr"].ToString();
Xod/GYG Q{
{= 31. 变量.ToString()
A^4#6],%v JYLAu4s6 字符型转换 转为字符串
`Y,Rk 12345.ToString("n"); //生成 12,345.00
NYR:dH]N~d 12345.ToString("C"); //生成 ¥12,345.00
r_o\72 12345.ToString("e"); //生成 1.234500e+004
B.);Ju 12345.ToString("f4"); //生成 12345.0000
g$z6*bL 12345.ToString("x"); //生成 3039 (16进制)
=n;LP#(h ? 12345.ToString("p"); //生成 1,234,500.00%
$4]4G=o xg;F};}5$
32、变量.Substring(参数1,参数2);
\^lDd~MWG 8boiJku` 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);
hl,x|.f}4Y `J;g~#/k 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)
1TgD;qX <SCRIPT language="javascript">
+77j2W_0 <!--
:2~2j-m function gook(pws)
LDDt=HEY4 {
GMpg+rK frm.submit();
$6d5W=u$H }
K)eyFc //-->
.AF\[IQ }#nd&ND </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
?O9| <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
LVy (O9g <tr>
2TQ<XHA\ <td>
Z[kVVE9b? <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
l?HC-_Pbh <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
~6[3Km|2 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
qGzF@p(p8 ]oKHS$W9 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
%htwq ]rZd <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
/K<>OyR? iS`ok </td>
6s$h _$[X ?~oc4J*>( </tr>
d[p?B-7% I"D}amuv </form>
;20sh^~ JRDIGS_~ 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。
c7R6.T !]&+g'aC3 下面是获取用户输入的登陆信息的代码:
o3le[6C/8= string name;
A=np?wc name=Request.QueryString["EmailName"];
6L-3cxqf\ U \F ?{/ try
v\5`n@}4 {
[MeFj!( int a=name.IndexOf("@",0,name.Length);
JE;!~= f_user.Value=name.Substring(0,a);
#_: %Yd f_domain.Value=name.Substring(a+1,name.Length-(a+1));
A!a.,{fZ f_pass.Value=Request.QueryString["Psw"];
+,eF(VS! }
8P}
a RuOse9 catch
<"7Wb"+ {
Pe@*')o* Script.Alert("错误的邮箱!");
>{"E~U Server.Transfer("index.aspx");
= @lM* }