26.對話框
private static string ScriptBegin = "";
public static void ConfirmMessageBox(string PageTarget,string Content)
{
string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
//Response.Write(strScript);
}
27.
1.1 取當(dāng)前年月日時分秒
currentTime=System.DateTime.Now;
1.2 取當(dāng)前年
int 年= DateTime.Now.Year;
1.3 取當(dāng)前月
int 月= DateTime.Now.Month;
1.4 取當(dāng)前日
int 日= DateTime.Now.Day;
1.5 取當(dāng)前時
int 時= DateTime.Now.Hour;
1.6 取當(dāng)前分
int 分= DateTime.Now.Minute;
1.7 取當(dāng)前秒
int 秒= DateTime.Now.Second;
1.8 取當(dāng)前毫秒
int 毫秒= DateTime.Now.Millisecond;
28.自定義分頁代碼:
先定義變量 :
public static int pageCount; //總頁面數(shù)
public static int curPageIndex=1; //當(dāng)前頁面
下一頁:
if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
{
DataGrid1.CurrentPageIndex += 1;
curPageIndex+=1;
}
bind(); // DataGrid1數(shù)據(jù)綁定函數(shù)
上一頁:
if(DataGrid1.CurrentPageIndex >0)
{
DataGrid1.CurrentPageIndex += 1;
curPageIndex-=1;
}
bind(); // DataGrid1數(shù)據(jù)綁定函數(shù)
直接頁面跳轉(zhuǎn):
int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()為跳轉(zhuǎn)值
if(a<DataGrid1.PageCount)
{
this.DataGrid1.CurrentPageIndex=a;
}
bind();
29.DataGrid使用:
添加刪除確認(rèn):
private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
foreach(DataGridItem di in this.DataGrid1.Items)
{
if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
{
((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’確認(rèn)刪除此項嗎?’);");
}
}
}
樣式交替:
ListItemType itemType = e.Item.ItemType;
if (itemType == ListItemType.Item )
{
e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
}
else if( itemType == ListItemType.AlternatingItem)
{
e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
}
添加一個編號列:
DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //執(zhí)行sql返回的DataTable
DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
for(int i=0;i<dt.Rows.Count;i++)
{
dt.Rows[i]["number"]=(i+1).ToString();
}
DataGrid1.DataSource=dt;
DataGrid1.DataBind();
DataGrid1中添加一個CheckBox,頁面中添加一個全選框
private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
{
foreach(DataGridItem thisitem in DataGrid1.Items)
{
((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
}
}
將當(dāng)前頁面中DataGrid1顯示的數(shù)據(jù)全部刪除
foreach(DataGridItem thisitem in DataGrid1.Items)
{
if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
{
string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Del (strloginid); //刪除函數(shù)
}
}
30.當(dāng)文件在不同目錄下,,需要獲取數(shù)據(jù)庫連接字符串(如果連接字符串放在Web.config,,然后在Global.asax中初始化)
在Application_Start中添加以下代碼:
Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
AppSettings["ConnStr"].ToString();
31. 變量.ToString()
字符型轉(zhuǎn)換 轉(zhuǎn)為字符串
12345.ToString("n"); //生成 12,345.00
12345.ToString("C"); //生成 ¥12,345.00
12345.ToString("e"); //生成 1.234500e+004
12345.ToString("f4"); //生成 12345.0000
12345.ToString("x"); //生成 3039 (16進(jìn)制)
12345.ToString("p"); //生成 1,234,500.00%
32、變量.Substring(參數(shù)1,參數(shù)2);
截取字串的一部分,,參數(shù)1為左起始位數(shù),,參數(shù)2為截取幾位。 如:string s1 = str.Substring(0,2);
33.在自己的網(wǎng)站上登陸其他網(wǎng)站:(如果你的頁面是通過嵌套方式的話,,因為一個頁面只能有一個FORM,,這時可以導(dǎo)向另外一個頁面再提交登陸信息)
<SCRIPT language="javascript">
<!--
function gook(pws)
{
frm.submit();
}
//-->
</SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
<form name="frm" action=" http://220.194.55.68:6080/login.php?retid=7259 " method="post">
<tr>
<td>
<input id="f_user" type="hidden" size="1" name="f_user" runat="server">
<input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
<input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
<INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
<INPUT id="tem" type="hidden" size="1" value="2" name="tem">
</td>
</tr>
</form>
文本框的名稱必須是你要登陸的網(wǎng)頁上的名稱,如果源碼不行可以用vsniffer 看看,。
下面是獲取用戶輸入的登陸信息的代碼:
string name;
name=Request.QueryString["EmailName"];
try
{
int a=name.IndexOf("@",0,name.Length);
f_user.Value=name.Substring(0,a);
f_domain.Value=name.Substring(a+1,name.Length-(a+1));
f_pass.Value=Request.QueryString["Psw"];
}
catch
{
Script.Alert("錯誤的郵箱!");
Server.Transfer("index.aspx");
}