How to Create gridview with adapter

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Mobile

Android

Gridview

I have adapter like this and grid_row.xml. In get View I getting error resource not found on view.txtCount.setText(item.Value);

What can i do

thanks

public class MiniBoardAdapter extends BaseAdapter
{
    private MiniBoardItem[] listMiniBoard;
    private Context context;

    public MiniBoardAdapter(Context ctx, MiniBoardItem[] listMiniBoard) {
        this.listMiniBoard = listMiniBoard;
        this.context = ctx;
    }

    public int getCount() {
        return this.listMiniBoard.length;
    }

    public Object  getItem(int position) {
        return null;
    }

    public static class ViewHolder
    {
        public TextView txtCount;
        public TextView txtDesc;
    }

    public long getItemId(int position) {
        return 0;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        LayoutInflater inflater = ((Activity) context).getLayoutInflater();

        ViewHolder view;
        MiniBoardItem item = this.listMiniBoard[position];

        if (convertView == null) {
            view = new ViewHolder();
            convertView = inflater.inflate(R.layout.miniboard_row, null);

            view.txtCount = (TextView)convertView.findViewById(R.id.txtCount);
            view.txtDesc = (TextView)convertView.findViewById(R.id.txtDescription);
            convertView.setTag(view);
        } else {
            view = (ViewHolder) convertView.getTag();
        }

        view.txtCount.setText(item.Value);
        view.txtDesc.setText(item.Description);

        return convertView;
    }
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent" android:layout_height="match_parent">
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="0"
        android:id="@+id/txtCount"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:textSize="75dp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceSmall"
        android:text="Pano Description"
        android:id="@+id/txtDescription"
        android:layout_alignBottom="@+id/txtCount"
        android:layout_centerHorizontal="true" />
</RelativeLayout>