C# 关于datagridview 绑定列名

Question

我查询的时候绑定了 用户和密码2段 怎么一查询就又弹出数据库的列名
代码：
private void button1_Click(object sender, EventArgs e)
{
String username = this.username.Text.Trim();
SqlConnection conn = new SqlConnection("Data Source=ADMINISTRATOR_U\\SQLEXPRESS;Initial Catalog=text;User ID=sa;password=123456;");
string sql = string.Format("select username,userpwd from [user] where 1=1 ");
if (username != "")
{
sql = sql + "and username =" + "'" + username + "'";
}

conn.Open();
SqlCommand cmd = new SqlCommand(sql, conn);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
da.Fill(ds, "[user]");
dataGridViewDACX.DataSource = ds.Tables[0];
dataGridViewDACX.Columns[0].DataPropertyName = "username";
dataGridViewDACX.Columns[1].DataPropertyName = "userpwd";
}
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Answer 1

你添加一行代码dataGridViewDACX.AutoGenerateColumns=false;试试