例如,当姓氏相同的名字 过滤姓名并在姓氏过滤器中写入,但保留姓名过滤器。如何在两个文本框中使用dataGridView实现多重过滤?
例蒙山一个文本框:
连接:
public void read_data(string query, ref DataSet principal, string tabla)
{
try
{
string cadena = "Server=0.0.0.0; Database=DB; Uid=user; Pwd=pass";
MySqlConnection cn = new MySqlConnection(cadena);
MySqlCommand cmd = new MySqlCommand(query, cn);
cn.Open();
MySqlDataAdapter da = new MySqlDataAdapter(cmd);
da.Fill(principal, tabla);
cn.Close();
}
catch (Exception ex)
{
}
}
负载的dataGridView:
private void Form1_Load(object sender, EventArgs e)
{
this.read_data("Select * From reg", ref result, "reg");
this.filtro = ((DataTable)result.Tables["regi"]).DefaultView;
this.dataGridView1.DataSource = filtro;
}
事件:
private void textBox1_KeyUp(object sender, KeyEventArgs e)
{
string data_output = " ";
string[] search_word = this.textBox1.Text.Split(' ');
foreach (string word in search_word)
{
if (data_output.Length == 0)
{
data_output = "(FirstName LIKE '%" + word + "%')";
}
else
{
data_output += "(FirstName LIKE '%" + word + "%')";
}
}
this.filtro.RowFilter = data_output;
}
任何过滤器表达式请问您提供范例作品?即当您指定多个由空格分隔的名字时它是否筛选记录? – fujiFX
不,我没有。只有名字 – Ale
无论如何,请检查我刚刚提供的答案,看看它是否有助于您实现目标。 – fujiFX