【发布时间】：2009-06-15 09:14:04
【问题描述】：
我什至在 page_init 期间创建了一个动态链接，并将 onclick 绑定到链接按钮。点击动态链接可以回发，但它不会引发 onclick 事件（在调试模式下点击 onclick 事件）。页面回发并显示空白页面而不触发事件。请任何人都可以告诉我在下面的代码中做错了什么。我正在使用 vs2005(ASp.Net 2.0)。请查看我动态创建链接按钮的第一个 switch 案例。
public partial class ChooseRole : System.Web.UI.Page
{
public Int32 ismId;
public DataTable UserCredentialsDT;
public DataTable dsUserDetails = null;
public String strPage = "";
protected System.Web.UI.WebControls.LinkButton lnkAdmin;
//protected System.Web.UI.WebControls.PlaceHolder PlaceHolderRoles;
protected void Page_Init(object sender, EventArgs e)
{
if (Session[PresentationConstant.USERCREDENTIALS] != null)
{
dsUserDetails = (DataTable)Session[PresentationConstant.USERCREDENTIALS];
ismId = Convert.ToInt32(dsUserDetails.Rows[0][0].ToString());
}
Helper.validateRoleAuthentication(PresentationConstant.PAGE_CHOOSEROLE);
if (!IsPostBack)
{
if (Session[PresentationConstant.USERCREDENTIALS] != null)
{
UserCredentialsDT = (DataTable)Session[PresentationConstant.USERCREDENTIALS];
//Sorting the roles
DataView v = UserCredentialsDT.DefaultView;
v.Sort = "roleName";
UserCredentialsDT = v.ToTable();
Int32 ismId = Convert.ToInt32(UserCredentialsDT.Rows[0][0].ToString());
for (int i = 0; i < UserCredentialsDT.Rows.Count; i++)
{
switch (Convert.ToInt32(UserCredentialsDT.Rows[i]["RoleId"]))
{
case (int)Helper.UserRole.Administrator:
//Session[AppConstants.ROLEID] = UserCredentialsDT.Rows[i]["RoleId"];
//LinkButton link = new LinkButton();
//{
// link.Text = "Test< /br>";
// link.ID = "TestButton";
// link.Click += new EventHandler(TestClicked);
//}
//PlaceHolderRoles.Controls.Add(link);
lnkAdmin = new LinkButton();
lnkAdmin.EnableViewState = true;
lnkAdmin.Text = "Administrator" + "<br />";
lnkAdmin.ID = "lnkAdmin";
this.lnkAdmin.Click += new EventHandler(this.lnkAdmin_Click);
this.PlaceHolderRoles.Controls.Add(lnkAdmin);
//lnkAdmin.Visible = true;
break;
case (int)Helper.UserRole.KeyHolder:
Session[AppConstants.ROLEID] = UserCredentialsDT.Rows[i]["RoleId"];
String strPage;
LinkButton lnkSM = new LinkButton();
lnkSM.EnableViewState = true;
lnkSM.Text = "Manager / Key Holder" + "<br />";
lnkSM.ID = "lnkSM" + i.ToString();
PlaceHolderRoles.Controls.Add(lnkSM);
lnkSM.Visible = true;
strPage = GetStoresForStoreManager_Table(ismId);
if (!String.IsNullOrEmpty(strPage))
{
lnkSM.PostBackUrl = strPage;
}
break;
case (int)Helper.UserRole.DistrictManager:
Session[AppConstants.ROLEID] = UserCredentialsDT.Rows[i]["RoleId"];
LinkButton lnkDM = new LinkButton();
lnkDM.EnableViewState = true;
lnkDM.Text = "District Manager" + "<br />";
lnkDM.ID = "lnkDM" + i.ToString();
PlaceHolderRoles.Controls.Add(lnkDM);
lnkDM.Visible = true;
lnkDM.PostBackUrl = PresentationConstant.ASPX_DMREPORTS;
break;
case (int)Helper.UserRole.ARD:
Session[AppConstants.ROLEID] = UserCredentialsDT.Rows[i]["RoleId"];
LinkButton lnkARD = new LinkButton();
lnkARD.EnableViewState = true;
lnkARD.Text = "ARD" + "<br />";
lnkARD.ID = "lnkARD" + i.ToString();
PlaceHolderRoles.Controls.Add(lnkARD);
lnkARD.Visible = true;
lnkARD.PostBackUrl = PresentationConstant.ASPX_ARDREPORTS;
break;
case (int)Helper.UserRole.TeamAdvisor:
Session[AppConstants.ROLEID] = UserCredentialsDT.Rows[i]["RoleId"];
LinkButton lnkTeamAdvisor = new LinkButton();
lnkTeamAdvisor.EnableViewState = true;
lnkTeamAdvisor.Text = "Team Advisor" + "<br />";
lnkTeamAdvisor.ID = "lnkTeamAdvisor" + i.ToString();
PlaceHolderRoles.Controls.Add(lnkTeamAdvisor);
lnkTeamAdvisor.Visible = true;
lnkTeamAdvisor.PostBackUrl = PresentationConstant.ASPX_DMREPORTS;
break;
case (int)Helper.UserRole.RPC:
Session[AppConstants.ROLEID] = UserCredentialsDT.Rows[i]["RoleId"];
LinkButton lnkRPC = new LinkButton();
lnkRPC.EnableViewState = true;
lnkRPC.Text = "RPC" + "<br />";
lnkRPC.ID = "lnkRPC" + i.ToString();
PlaceHolderRoles.Controls.Add(lnkRPC);
lnkRPC.Visible = true;
lnkRPC.PostBackUrl = PresentationConstant.ASPX_ARDREPORTS;
break;
case (int)Helper.UserRole.RegionalManager:
Session[AppConstants.ROLEID] = UserCredentialsDT.Rows[i]["RoleId"];
LinkButton lnkRegionalManager = new LinkButton();
lnkRegionalManager.EnableViewState = true;
lnkRegionalManager.Text = "Regional Manager" + "<br />";
lnkRegionalManager.ID = "lnkRegionalManager" + i.ToString();
PlaceHolderRoles.Controls.Add(lnkRegionalManager);
lnkRegionalManager.Visible = true;
lnkRegionalManager.PostBackUrl = PresentationConstant.ASPX_RMREPORTS;
break;
case (int)Helper.UserRole.MerchAdmin:
Session[AppConstants.ROLEID] = UserCredentialsDT.Rows[i]["RoleId"];
LinkButton lnkMerchAdmin = new LinkButton();
lnkMerchAdmin.EnableViewState = true;
lnkMerchAdmin.Text = "Merch Admin" + "<br />";
lnkMerchAdmin.ID = "lnkMerchAdmin" + i.ToString();
PlaceHolderRoles.Controls.Add(lnkMerchAdmin);
lnkMerchAdmin.Visible = true;
lnkMerchAdmin.PostBackUrl = PresentationConstant.ASPX_MERCHANDISINGADMIN;
break;
default:
ClientScript.RegisterStartupScript(this.GetType(), "msg", "<script type=\"text/javascript\"> alert('Invalid Role.');</script>");
break;
}
}
}
}
}
private String GetStoresForStoreManager_Table(Int32 iStoreManagerId)
{
String strDestinationPage = String.Empty;
String strStoreNo = String.Empty;
String strStoretypeId = String.Empty;
String strStoretype = String.Empty;
DataTable dtStoreDetails = null;
StoreBL objStoreBL = new StoreBL();
dtStoreDetails = objStoreBL.GetStoresForStoreManager_Table(iStoreManagerId);
if (dtStoreDetails.Rows.Count != 0)
{
if (dtStoreDetails.Rows.Count > 1)
{
strDestinationPage = PresentationConstant.ASPX_CHOOSESTORE;
}
else
{
strStoreNo = dtStoreDetails.Rows[0][AppConstants.STORENO].ToString();
strStoretypeId = dtStoreDetails.Rows[0][AppConstants.ID].ToString();
if (dtStoreDetails.Rows[0][AppConstants.ISRETAIL].ToString().ToLower() == "true")
{
strStoretype = DBConstants.RETAIL;
}
else
{
strStoretype = DBConstants.SandR;
}
Session.Add(AppConstants.STORENO, strStoreNo);
Session.Add(AppConstants.STORETYPEID, strStoretypeId);
Session.Add(AppConstants.STORETYPE, strStoretype);
strDestinationPage = PresentationConstant.ASPX_STOREMAIN;
}
}
else
{
ClientScript.RegisterStartupScript(this.GetType(), "msg", "<script type=\"text/javascript\"> alert('You are not associated with any store.');window.location = 'SprintLogin.aspx';</script>");
}
return strDestinationPage;
}
protected void lnkAdmin_Click(object sender, System.EventArgs e)
{
Response.Redirect(PresentationConstant.ASPX_MERCHANDISINGADMIN);
}
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标签： asp.net