数据绑定到带有数据集的下拉列表 [英] data binding to drop down list with dataset

问题描述

我需要解决以下错误的方法吗?

Type ''System.Web.UI.WebControls.ListItem'' in Assembly ''System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'' is not marked as serializable

我在这里描述了我的数据绑定代码

设计页面

i need the solution for following error is any one can give?

Type ''System.Web.UI.WebControls.ListItem'' in Assembly ''System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'' is not marked as serializable

i described here my code of databinding

design page

<asp:DropDownList ID="DdlDealerName" runat="server"                                                    onselectedindexchanged="DdlDealerName_SelectedIndexChanged1">

后面的代码

code behind

dsDM = objBusInfoBAl.GetDealerMasterInfoDetails("MS", OrgId, BusId, FrmType);
            if (dsDM != null)
            {
                if (dsDM.Tables[0].Rows.Count > 0)
                {
                    DdlDealerName.DataSource = dsDM.Tables[0].DefaultView;
                    DdlDealerName.DataTextField = "BUSINESS_NAME";
                    DdlDealerName.DataValueField = "BUSINESS_ID";
                    dlDealerName.DataBind()
                 }
             }

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