private void Save_Click(object sender, EventArgs e)
{
string strconn = @"Server=.\SQLEXPRESS;initial catalog=PharmacyV2;integrated security=true;";
SqlConnection conn = new SqlConnection(strconn);
//SqlCommand cmd = new SqlCommand();
DataSet ds = new DataSet();
conn.Open();
SqlDataAdapter da = new SqlDataAdapter("select * from Units",conn);
da.Fill(ds, "Units");
bool found = false;
for (int i = 0; i < dataGridView1.Rows.Count; i++)
{
for (int j = 0; j < ds.Tables["Units"].Rows.Count; j++)
{
if (ds.Tables["Units"].Rows[j][0].ToString() == dataGridView1.Rows[i].Cells[0].Value.ToString())
{
found = true;
break;
}
}
if (found==false)
{
SqlCommand cmd;
cmd = new SqlCommand("insert into Units (Unit_name) values (@name)", conn);
cmd.Parameters.AddWithValue("@name", dataGridView1.Rows[i].Cells[0].Value.ToString());
cmd.ExecuteNonQuery();
MessageBox.Show("تمت الاضافه");
}
}
conn.Close();
}
我的程序从DataGridView的每个元素比较从UINT表从数据库中每一个元素,以防止数据库 重复,如果从datagridvoew元素不在数据库 实现插入类似元素UINT表声明 为什么程序不会将任何数据插入数据库? (不执行插入语句)防止重复的数据库条目
您有任何错误或异常消息? –
'dataGridView1.Rows.Count'的值是什么?放置一个断点并检查它 – sll
并且配置那个SqlConnection对象,即:使用(SqlConnection conn = new SqlConnection(strconn)){}' – Stefan