System.NullReferenceException: 未将对象引用设置到对象的实例。!!!
Component1 co=new Component1();
private void Page_Load(object sender, System.EventArgs e)
{
if(!IsPostBack)
{
bindNew();
Panel1.Visible=false;
}
}
void bindNew()
{
co.adp.Fill(co.ds, "employees");
DataColumn[] Pmykey = new DataColumn[1]; //宣告新主索引栏位阵列
Pmykey[0] = co.ds.Employees.EmployeeIDColumn;
co.ds.Employees.PrimaryKey = Pmykey; //加入主键
Allemployees.DataSource=co.ds.Employees.DefaultView; ==有错!!!
Allemployees.DataMember="employees";
Allemployees.DataBind();