很简单的问题，为什么GridView显示不出来

ysx_5 2008-02-27 03:56:29

using System.Web.Configuration;
using System.Drawing;

public partial class FormMainRight : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
SqlDataSource sqlDsPatList = new SqlDataSource();
sqlDsPatList.ConnectionString = WebConfigurationManager.ConnectionStrings["LocalSqlServer"].ConnectionString;
sqlDsPatList.SelectCommand = "SELECT * FROM patient p,study s WHERE p.pat_id=s.pat_id AND studydate='20061218'";
gvPatList.DataSourceID = sqlDsPatList.ID;
}
}

-------------------
返回的页面：
<body>
<form name="form1" method="post" action="FormMainRight.aspx" id="form1">
<div>
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwULLTExOTY0MzcxMjgPZBYCAgMPZBYEAgEPPCsADQEADxYCHgxEYXRhU291cmNlSURkZGQCAw8PFgIeBFRleHQFUFNFTEVDVCAqIEZST00gcGF0aWVudCBwLHN0dWR5IHMgV0hFUkUgcC5wYXRfaWQ9cy5wYXRfaWQgQU5EIHN0dWR5ZGF0ZT0nMjAwNjEyMTgnZGQYAQUJZ3ZQYXRMaXN0D2dk+lxEefBMcEbn5alJq9JI1NwtcZk=" />
</div>
<div>
<div>
</div>
</div>
</form>

返回的页面什么也没有？为什么？谢谢

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ysx_5 2008-02-27

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奇怪，不是说使用 gvPatList.DataSourceID = sqlDsPatList.ID; 不用绑定吗？ -_-!!!
谢谢大家，已经搞定

csshan 2008-02-27

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gvPatList.DataBind();

fred_928 2008-02-27

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绑定一下就好了

nbfa45lr 2008-02-27

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没绑定吧，不过你写的也太乱了点

qfgyd2004 2008-02-27

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if(!Page.IsPostBack)
{
SqlDataSource sqlDsPatList = new SqlDataSource();
sqlDsPatList.ConnectionString = WebConfigurationManager.ConnectionStrings[ "LocalSqlServer "].ConnectionString;
sqlDsPatList.SelectCommand = "SELECT * FROM patient p,study s WHERE p.pat_id=s.pat_id AND studydate= '20061218 ' ";
gvPatList.DataSourceID = sqlDsPatList.ID;

}