示例#1
0
 private void button5_Click(object sender, EventArgs e)
 {
     if (dataGridView1.CurrentRow != null)
     {
         int irow = dataGridView1.CurrentRow.Index;
         if (irow >= 0)
         {
             exerL yex = tlvedp[irow];
             if (dataGridView1.CurrentRow.Cells[2].Value.ToString() != "")
             {
                 if (!EXtools.isexitel(dataGridView1.CurrentRow.Cells[2].Value.ToString(), yex.courseid, pp))
                 {
                     yex.name = dataGridView1.CurrentRow.Cells[2].Value.ToString();
                     pp.context.UpdateObject(yex);
                     pp.context.SaveChanges();
                     updatalist();
                 }
                 else
                 {
                     MessageBox.Show("名称已经存在");
                 }
             }
             else
             {
                 MessageBox.Show("请datagrid中输入新名称");
             }
         }
         else
         {
             MessageBox.Show("请选择书卷");
         }
     }
 }