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界面布局：点击“添加”按钮，会读取相关文件，将文件相关信息作为新的一行添加到DataGridView，此时动态绑定DataGridViewComboBoxCell不同的下拉选项。代码如下：

1                 //新建一行                 2                 DataGridViewRow dr = new DataGridViewRow();            3                 dr.CreateCells(dataGridView1);  4                 5                 dr.Cells[0].Value = pFeatureClass.AliasName;  6                 dataGridView1.Rows.Insert(0, dr);//添加新行  7                 DataGridViewComboBoxCell dgvComboTop = dr.Cells[1] as DataGridViewComboBoxCell;//将Cell转换成ComboBoxCell  8                 DataGridViewComboBoxCell dgvComboBottom = dr.Cells[2] as DataGridViewComboBoxCell;  9 10                 IField pField = null; 11                 IFields pFields = pFeatureClass.Fields; 12                 for (int i = 0; i < pFields.FieldCount - 1;i++ ) 13                 {
   14                     pField = pFields.get_Field(i); 15                     if (pField.Type!=esriFieldType.esriFieldTypeGeometry) 16                     {
   17                         dgvComboTop.Items.Add(pField.Name); 18                         dgvComboBottom.Items.Add(pField.Name); 19                     } 20                 }