[英]How to refer SqlDataSource to GridView control, when SqlDataSource is created in code-behind?
在aspx頁面中,我有:
<asp:GridView ID="GridView1" runat="server" DataSourceID="SqlDataSource1">
</asp:GridView>
在代碼隱藏頁面中:
protected void Page_Load(object sender, EventArgs e)
{
SqlDataSource1.ConnectionString = System.Configuration.ConfigurationManager
.AppSettings["MyConnectionString"];
SqlDataSource1.SelectCommand = "SELECT * FROM my_table_name";
this.Controls.Add(SqlDataSource1);
}
這會引發服務器錯誤:
GridView1
的DataSourceID必須是IDataSource類型的控件的ID。 找不到ID為SqlDataSource1
的控件。
從aspx中刪除數據源ID
<asp:GridView ID="GridView1" runat="server">
</asp:GridView>
用代碼做
protected void Page_Load(object sender, EventArgs e)
{
SqlDataSource1.ConnectionString = System.Configuration.ConfigurationManager
.AppSettings["MyConnectionString"];
SqlDataSource1.ID = "SqlDataSource1";
this.Page.Controls.Add(SqlDataSource1);
SqlDataSource1.SelectCommand = "SELECT * FROM my_table_name";
GridView1.DataSource = SqlDataSource1;
GridView1.DataBind();
}
我以為命名sqlDataSource等於設置其ID,不是。 我必須顯式設置SqlDataSource.ID = "SqlDataSource";
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.