您正在重新绑定空数据源.您的代码应为:
Protected Sub gvAllSentData_PageIndexChanging(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewPageEventArgs) Handles gvAllSentData.PageIndexChanging Me.gvAllSentData.PageIndex = e.NewPageIndex Me.gvAllSentData.DataSource = __The_Data_To_Bind__ Me.gvAllSentData.DataBind() End Sub