ms chart:
private void button1_Click(object sender, EventArgs e)
{
string str = "server=.;database=PlatformFlawBase;Integrated Security=SSPI;";
SqlConnection conn = new SqlConnection(str);
string sqlqury = "select T5,T6,T7 from SanChuan;";
conn.Open();
SqlDataAdapter sdr = new SqlDataAdapter(sqlqury, conn);
DataSet ds = new DataSet(); //dataset相当于临时的数据库,里面可以存放很多的table,
sdr.Fill(ds);
dataGridView1.DataSource = ds.Tables[0].DefaultView; //默认存放于table【0】中
//button1.Text = Convert.ToString(da[0]); //显示类型转换,
Double[] series1 = new Double[100];
int[] X = new int[100];
for (int i = 0; i < 100; i++)
{
DataRow da = ds.Tables[0].Rows[i]; //可以按照行row[0],列colum[0],第二列第一行colum[2][1]来取,所取得为一个datarow数组,然后再取此数组中的某一行
series1[i] = Convert.ToDouble(da[0]);
X[i] = i;
}
chart1.Series[0].Points.DataBindXY(X, series1);
}
private void button1_Click(object sender, EventArgs e)
{
string str = "server=.;database=PlatformFlawBase;Integrated Security=SSPI;";
SqlConnection conn = new SqlConnection(str);
string sqlqury = "select T5,T6,T7 from SanChuan;";
conn.Open();
SqlDataAdapter sdr = new SqlDataAdapter(sqlqury, conn);
DataSet ds = new DataSet(); //dataset相当于临时的数据库,里面可以存放很多的table,
sdr.Fill(ds);
dataGridView1.DataSource = ds.Tables[0].DefaultView; //默认存放于table【0】中
//button1.Text = Convert.ToString(da[0]); //显示类型转换,
Double[] series1 = new Double[100];
int[] X = new int[100];
for (int i = 0; i < 100; i++)
{
DataRow da = ds.Tables[0].Rows[i]; //可以按照行row[0],列colum[0],第二列第一行colum[2][1]来取,所取得为一个datarow数组,然后再取此数组中的某一行
series1[i] = Convert.ToDouble(da[0]);
X[i] = i;
}
chart1.Series[0].Points.DataBindXY(X, series1);
}