奇怪的问题

Question

我在页面上创建一个故障ID的时候，比如200605001，这个ID是自动生成的，当我刷新页面的时候，却自动的创建了
ID：200605002，请大家帮我解决这个问题，就是当我刷新的时候，不再创建了

Answer 1

if(!IsPostBack)
{
...
}

Answer 2

if(!Page.IsPostBack)
{
datainput();
}
private void datainput()
{ imgUpFile.Visible=false;
imgDownloadFile.Visible=false; this.txday1.Attributes.Add("onkeyup","EnterKey(0,this,'');");
this.txhour1.Attributes.Add("onkeyup","EnterKey(0,this,'');");
this.txminutes1.Attributes.Add("onkeyup","EnterKey(0,this,'');"); this.txday2.Attributes.Add("onKeyup","EnterKey(0,this,'');");
this.txhour2.Attributes.Add("onKeyup","EnterKey(0,this,'');");
this.txminutes2.Attributes.Add("onKeyup","EnterKey(0,this,'');");
this.txday1.Attributes.Add("onchange","Calculrate();");
this.txhour1.Attributes.Add("onchange","Calculrate();");
this.txminutes1.Attributes.Add("onchange","Calculrate();"); this.txday2.Attributes.Add("onchange","Calculrate();");
this.txhour2.Attributes.Add("onchange","Calculrate();");
this.txminutes2.Attributes.Add("onchange","Calculrate();");

imgQry.Attributes.Add("onMouseOver","this.style.cursor='hand'");
imgCreate.Attributes.Add("onMouseOver","this.style.cursor='hand'");
imgEdit.Attributes.Add("onMouseOver","this.style.cursor='hand'");
imgDel.Attributes.Add("onMouseOver","this.style.cursor='hand'");
imgCardQry.Attributes.Add("onMouseOver","this.style.cursor='hand'");
imgUpFile.Attributes.Add("onMouseOver","this.style.cursor='hand'");
            imgDownloadFile.Attributes.Add("onMouseOver","this.style.cursor='hand'");
this.imgPrint.Attributes.Add("onMouseOver","this.style.cursor='hand'");

this.imgCardQry.Attributes.Add("onclick","launchCenter('EqpCardQry.aspx','center', 460, 310)");
//Javascript经典代码：JS事件确认进行

imgEdit.Attributes.Add("onclick","javascript:__doPostBack('edit','');");
imgDel.Attributes.Add("onclick","if(confirm('确实要删除吗?')) del();");
//imgCreate.Attributes.Add("onclick","javascript:__doPostBack('create','');");和下面的一个语句的效果是相同的
imgCreate.Attributes.Add("onclick","create();");
imgQry.Attributes.Add("onclick","javascript:__doPostBack('qry','');");
imgDel.Attributes.Add("onclick","javascript:__doPostBack('del','');"); imgUpFile.Attributes.Add("onclick","javascript:__doPostBack('upfile','');");

string ss=this.txEqpNo3.Text.ToString()+'-'+this.txEqpNo1.Text.ToString()+'-'+this.txEqpNo2.Text.ToString();

imgUpFile.Attributes.Add("onclick","launchCenter('multipleuploads.aspx?id="+ss+"','center', 290, 400)");
this.imgDownloadFile.Attributes.Add("onclick","launchCenter('downloadaspx.aspx','center', 455, 325)");
///imgPrint.Attributes.Add("onclick","return Print();");//onclick","return Print();
imgPrint.Attributes.Add("onclick","getPrint('bodydiv');");
txdtlinehour.Attributes.Add("onKeyup","linedt();");
txdtlineminute.Attributes.Add("onKeyup","linedt();");
this.txbarrierNotime.Text=GetTimeNow();
this.txbarrierdepart.Text="BF00";
int year1 = DateTime.Now.Year;
int month1 = DateTime.Now.Month;

this.ddlmonth1.Items.Clear();
this.ddlmonth1.Items.Insert(0,new ListItem("1","0"));
this.ddlmonth1.Items.Insert(1,new ListItem("2","1"));
this.ddlmonth1.Items.Insert(2,new ListItem("3","2"));
this.ddlmonth1.Items.Insert(3,new ListItem("4","3"));
this.ddlmonth1.Items.Insert(4,new ListItem("5","4"));
this.ddlmonth1.Items.Insert(5,new ListItem("6","5"));
this.ddlmonth1.Items.Insert(6,new ListItem("7","6"));
this.ddlmonth1.Items.Insert(7,new ListItem("8","7"));
this.ddlmonth1.Items.Insert(8,new ListItem("9","8"));
this.ddlmonth1.Items.Insert(9,new ListItem("10","9"));
this.ddlmonth1.Items.Insert(10,new ListItem("11","10"));
this.ddlmonth1.Items.Insert(11,new ListItem("12","11"));

this.ddlmonth2.Items.Insert(0,new ListItem("1","0"));
this.ddlmonth2.Items.Insert(1,new ListItem("2","1"));
this.ddlmonth2.Items.Insert(2,new ListItem("3","2"));
this.ddlmonth2.Items.Insert(3,new ListItem("4","3"));
this.ddlmonth2.Items.Insert(4,new ListItem("5","4"));
this.ddlmonth2.Items.Insert(5,new ListItem("6","5"));
this.ddlmonth2.Items.Insert(6,new ListItem("7","6"));
this.ddlmonth2.Items.Insert(7,new ListItem("8","7"));
this.ddlmonth2.Items.Insert(8,new ListItem("9","8"));
this.ddlmonth2.Items.Insert(9,new ListItem("10","9"));
this.ddlmonth2.Items.Insert(10,new ListItem("11","10"));
this.ddlmonth2.Items.Insert(11,new ListItem("12","11"));
this.ddlmonth1.Items.FindByText(month1.ToString()).Selected=true;
this.ddlmonth2.Items.FindByText(month1.ToString()).Selected=true;

//插入年份

ddlyear1.Items.Insert(0,new ListItem((year1+1).ToString().Trim(),"0"));
ddlyear1.Items.Insert(1,new ListItem(year1.ToString().Trim(),"1"));
ddlyear1.Items.Insert(2,new ListItem((year1-1).ToString().Trim(),"2"));
ddlyear1.Items.Insert(3,new ListItem((year1-2).ToString().Trim(),"3"));
ddlyear1.Items.Insert(4,new ListItem((year1-3).ToString().Trim(),"4"));
ddlyear1.Items.Insert(5,new ListItem((year1-4).ToString().Trim(),"5"));
ddlyear2.Items.Insert(0,new ListItem((year1+1).ToString().Trim(),"0"));
ddlyear2.Items.Insert(1,new ListItem(year1.ToString().Trim(),"1"));
ddlyear2.Items.Insert(2,new ListItem((year1-1).ToString().Trim(),"2"));
ddlyear2.Items.Insert(3,new ListItem((year1-2).ToString().Trim(),"3"));
ddlyear2.Items.Insert(4,new ListItem((year1-3).ToString().Trim(),"4"));
ddlyear2.Items.Insert(5,new ListItem((year1-4).ToString().Trim(),"5"));
//显示当前年月
this.ddlyear1.Items.FindByText(year1.ToString()).Selected=true;
this.ddlyear2.Items.FindByText(year1.ToString()).Selected=true; ClDb db =new ClDb();
string strSql="select * from department where substring(depcode,3,2)='00' and substring(depcode,1,1)<>'A' order by depname desc";

db.BindDropDownList(ddlbarrierpart,"select * from commoncode where groupid='AA10'","itemname","itemid","");
db.BindDropDownList(ddlreason,"select * from commoncode where groupid='AA11'","itemname","itemid","");
db.BindDropDownList(ddlphenomenon,"select * from commoncode where groupid='AA12'","itemname","itemid","");
            db.BindDropDownList(ddldepart,strSql,"depname","depcode"," ");
db.DBClose();
}

Answer 3

不好意思，刚才代码太乱，整理以下
private void datainput()
{
imgUpFile.Visible=false;
imgDownloadFile.Visible=false;
this.txday1.Attributes.Add("onkeyup","EnterKey(0,this,'');");
this.txhour1.Attributes.Add("onkeyup","EnterKey(0,this,'');");
this.txminutes1.Attributes.Add("onkeyup","EnterKey(0,this,'');"); this.txday2.Attributes.Add("onKeyup","EnterKey(0,this,'');");
this.txhour2.Attributes.Add("onKeyup","EnterKey(0,this,'');");
this.txminutes2.Attributes.Add("onKeyup","EnterKey(0,this,'');"); this.txday1.Attributes.Add("onchange","Calculrate();");
this.txhour1.Attributes.Add("onchange","Calculrate();");
this.txminutes1.Attributes.Add("onchange","Calculrate();"); this.txday2.Attributes.Add("onchange","Calculrate();");
this.txhour2.Attributes.Add("onchange","Calculrate();");
this.txminutes2.Attributes.Add("onchange","Calculrate();");

imgQry.Attributes.Add("onMouseOver","this.style.cursor='hand'");
imgCreate.Attributes.Add("onMouseOver","this.style.cursor='hand'");
imgEdit.Attributes.Add("onMouseOver","this.style.cursor='hand'");
imgDel.Attributes.Add("onMouseOver","this.style.cursor='hand'");
imgCardQry.Attributes.Add("onMouseOver","this.style.cursor='hand'");
imgUpFile.Attributes.Add("onMouseOver","this.style.cursor='hand'");
         imgDownloadFile.Attributes.Add("onMouseOver","this.style.cursor='hand'");
this.imgPrint.Attributes.Add("onMouseOver","this.style.cursor='hand'");

this.imgCardQry.Attributes.Add("onclick","launchCenter('EqpCardQry.aspx','center', 460, 310)");


imgEdit.Attributes.Add("onclick","javascript:__doPostBack('edit','');");
imgDel.Attributes.Add("onclick","if(confirm('确实要删除吗?')) del();");

imgCreate.Attributes.Add("onclick","create();");
imgQry.Attributes.Add("onclick","javascript:__doPostBack('qry','');");
imgDel.Attributes.Add("onclick","javascript:__doPostBack('del','');"); imgUpFile.Attributes.Add("onclick","javascript:__doPostBack('upfile','');");

string ss=this.txEqpNo3.Text.ToString()+'-'+this.txEqpNo1.Text.ToString()+'-'+this.txEqpNo2.Text.ToString();
imgUpFile.Attributes.Add("onclick","launchCenter('multipleuploads.aspx?id="+ss+"','center', 290, 400)");
this.imgDownloadFile.Attributes.Add("onclick","launchCenter('downloadaspx.aspx','center', 455, 325)"); imgPrint.Attributes.Add("onclick","getPrint('bodydiv');");
txdtlinehour.Attributes.Add("onKeyup","linedt();");
txdtlineminute.Attributes.Add("onKeyup","linedt();");
this.txbarrierNotime.Text=GetTimeNow();
this.txbarrierdepart.Text="BF00";
ClDb db =new ClDb();
string strSql="select * from department where substring(depcode,3,2)='00' and substring(depcode,1,1)<>'A' order by depname desc";

db.BindDropDownList(ddlbarrierpart,"select * from commoncode where groupid='AA10'","itemname","itemid","");
db.BindDropDownList(ddlreason,"select * from commoncode where groupid='AA11'","itemname","itemid","");
db.BindDropDownList(ddlphenomenon,"select * from commoncode where groupid='AA12'","itemname","itemid","");
db.BindDropDownList(ddldepart,strSql,"depname","depcode"," ");
db.DBClose();
}