strCond =“ 存货名称=’DropDownList1.SelectedItem.ToString()‘”;string strCommand = "select * from xiaoshou where "+strCond;不报错 查询到 直接空白 请问语句上是哪里出问题了 感觉是DropDownList1.SelectedItem.ToString() 的值类型??谢谢几位的回答 但是我试了还是筛选显示不出来,难道不是这里的问题??后面的程序:string strCommand = "select * from xiaoshou where "+strCond;SqlDataAdapter myAdapter = new SqlDataAdapter(strCommand, myConnection);DataSet mySet = new DataSet();myAdapter.Fill(mySet, "存货名称");GridView1.DataSourceID = null;GridView1.DataSource = mySet.Tables["存货名称"].DefaultView;GridView1.DataBind();麻烦再帮我看一看strcond的定义是: string strCond = "";
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