110,539
社区成员
发帖
与我相关
我的任务
分享
private void Form1_Load(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection("server=.;database=MyKTV;uid=sa;pwd=sa");
string strsql = string.Format("select * from singer_type");
DataSet ds = new DataSet();
SqlDataAdapter adp = new SqlDataAdapter(strsql,conn);
adp.Fill(ds);
this.comboBox1.DisplayMember = "singertype_name";
this.comboBox1.ValueMember = "singertype_id";
this.comboBox1.DataSource = ds.Tables[0];
}
private void Form1_Load(object sender, EventArgs e)
{
this.comboBox1.DataSource = GetDt();
this.comboBox1.DisplayMember = "id";
this.comboBox1.ValueMember = "name";
isFirst = false;
}
bool isFirst = true;
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
if(!isFirst)
MessageBox.Show(this.comboBox1.SelectedValue.ToString());
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
MessageBox.Show(this.comboBox1.SelectedValue.ToString());
if(this.comboBox1.SelectedValue.ToString()!=System.Data.DataRowView)
{
int id = Convert.ToInt16(this.comboBox1.SelectedValue);
}
}