C# gridview链接按钮上的弹出窗口

这是aspx页面代码

'OnClick=“lnkCustomer”> " SelectCommand=“从[InquiryMaster]中选择不同的[firstname]、[middlename]、[lastname]、[mobile]、[city]、[title]、[InquiryMasterId]”> *我已经在gridview中的链接按钮后面编写了这段代码，但是弹出窗口不显示

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“调用”按钮应位于updatepanel内，如下所示

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（您可能想考虑不使用Ajax控件工具包，然后切换到基于jQuery的解决方案）

< P>“调用”按钮应该在UpDeaPeNEL内，读取 （您可能想考虑不使用Ajax控件工具包，切换到基于jQuery的解决方案）

protected void lnkCustomer(object sender, EventArgs e)
   {
       //Retrieve Customer ID
       LinkButton lnkCustomerID = sender as LinkButton;
       string strCustomerID = lnkCustomerID.Text;

       //Create sql connection and fetch data from database based on CustomerID
       string strConnectionString = ConfigurationManager.ConnectionStrings["connstring"].ConnectionString;
       string strSelect = "SELECT DISTINCT [firstname], [middlename], [lastname], [mobile], [city], [title], [enquirymasterid] FROM [EnquiryMaster] WHERE enquirymasterid = @enquirymasterid";
       SqlConnection sqlCon = new SqlConnection();
       sqlCon.ConnectionString = strConnectionString;
       SqlCommand cmdCustomerDetails = new SqlCommand();        
            cmdCustomerDetails.Connection = sqlCon;
        cmdCustomerDetails.CommandType = System.Data.CommandType.Text;
        cmdCustomerDetails.CommandText = strSelect;
        cmdCustomerDetails.Parameters.AddWithValue("@enquirymasterid", strCustomerID);
       sqlCon.Open();

       //Create DataReader to read the record
        SqlDataReader dReader = cmdCustomerDetails.ExecuteReader();
       GridView2.DataSource = dReader;
        GridView2.DataBind();
        sqlCon.Close();
        modalPopUpExtender1.Show();
}