data grid hidden

hi. okay, have a two click buttons, and they are supposed to write to the xml and read the xml file, and then transform it to the application, when i click on the Current count or On Order buttons, when you click these buttons, have a grey background colour, foreground blue colour, and have a different font of Verdana and Century School book. it keeps  hidden, when i click these buttons, when i load the data grid from the csv. so, how do i make sure that, it is not hidden, when i click on it. will paste the two button click events. have tried googling this, and did not find any thing. so will paste the code below.

marvin.

        // This function will display the Current Count data grid column  to change the style sheet for this click event.
    
        private void btnCurrentCount_Click(object sender, EventArgs e)
    {

      // Design a data table and write and read the xml documents to the data grid columns selected.
      // Set up the data set.

      DataSet ds = new DataSet();

      // Set up the data table.

      DataTable dt = new DataTable();

      // Ad the data table to the data set.

      ds.Tables.Add(dt);

      // Write the xml document to the data grid column.

      ds.WriteXml(Application.StartupPath + ("CurrentCount.xml"));
      ds.ReadXml(Application.StartupPath + ("CurrentCount.xml"));
          
            // Set up the data table and the data set and set to 0.

      dgvDisplayData.DataSource = ds.Tables[0];
    
          // Set focus on the Data Grid Column.

      dgvDisplayData.Focus();
          
      System.Xml.Xsl.XslCompiledTransform xslTransformer =new System.Xml.Xsl.XslCompiledTransform();
      xslTransformer.Load("CurrentCount.xsl");
      xslTransformer.Transform("CurrentCount.xml", "CurrentCount.html");
          }

    // This function will display the  On Order data grid column  to change the style sheet for this click event.

    private void btnOnOrder_Click(object sender, EventArgs e)
    {

      // Design a data table and write and read the xml documents to the data grid columns selected.
      // Set up the data set.

      DataSet ds = new DataSet();

      // Set up the data table.

      DataTable dt = new DataTable();

      // Ad the data table to the data set.

      ds.Tables.Add(dt);

      // Write the xml document to the data grid column.

      ds.WriteXml(Application.StartupPath + ("OnOrder.xml"));
      ds.ReadXml(Application.StartupPath + ("OnOrder.xml"));

      // Set focus on the Data Grid Column.

      dgvDisplayData.Focus();

            System.Xml.Xsl.XslCompiledTransform xslTransformer = new System.Xml.Xsl.XslCompiledTransform();
      xslTransformer.Load("OnOrder.xsl");
      xslTransformer.Transform("OnOrder.xml", "OnOrder.html");
          }

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