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private void button2_Click(object sender, EventArgs e)
{
string cxCommand = "select * from cxsj order by cxid";
OleDbDataAdapter cxDataAdapter = new OleDbDataAdapter(cxCommand, myConnection);
cxDataAdapter.Fill(dqDataSet,"cx");
dataGridView1dataGridView1.DataBindingComplete();
dataGridView1.Columns.Clear();
dataGridView1.DataSource = dqDataSet.Tables["cx"];
dataGridView1.Columns[0].HeaderText="型号";
dataGridView1.Columns[0].Width=this.dataGridView1.Width-80;
dataGridView1[0, 0].Selected = true;
}
private void button2_Click(object sender, EventArgs e)
{
dataGridView1.DataSource=null;
dataGridView1.Rows.Clear();
dataGridView1.Columns.Clear();
string cxCommand = "select * from cxsj order by cxid";
OleDbDataAdapter cxDataAdapter = new OleDbDataAdapter(cxCommand, myConnection);
cxDataAdapter.Fill(cxDataSet,"cx");
dataGridView1.DataBindingComplete += delegate { this.dataGridView1.Columns.Clear(); };
dataGridView1.DataSource = cxDataSet.Tables["cx"];
dataGridView1.Columns[0].HeaderText = "型号";
dataGridView1.Columns[0].Width=this.dataGridView1.Width-80;
dataGridView1[0, 0].Selected = true;
}