UCListSelect.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace MyControlLib
{
public partial class UCListSelect:UCFilterTop
{
public UCListSelect()
{
InitializeComponent();
foreach (System.Windows.Forms.Control control in this.Controls)
{
control.LostFocus += new EventHandler(UCListSelect_LostFocus);
}
}
List<int> checkeditems = new List<int>();
string[] listdata;
string txtstr = "";
public override void Setlistdatasource(string[] listdatasource)
{
listdata = listdatasource;
if (listdatasource == null || listdatasource.Length == 0)
{
return;
}
foreach (string li in listdatasource)
{
checkedListBox1.Items.Add(li);
}
textBox1.Text = txtstr;
}
private void UCListSelect_LostFocus(object sender, EventArgs e)
{
if (this.DisplayRectangle.Contains(this.PointToClient(System.Windows.Forms.Control.MousePosition)))
{
return;
}
LostFocusExcute(false,"");
}
public override void SetFocusEx(string OFilters)
{
textBox1.Focus();
}
private void UCListSelect_Click(object sender, EventArgs e)
{
textBox1.Focus();
}
private void checkedListBox1_ItemCheck(object sender, ItemCheckEventArgs e)
{
if (e.NewValue == CheckState.Checked)
{
checkeditems.Add(e.Index);
if (("," + textBox1.Text + ",").Contains("," + checkedListBox1.Items[e.Index].ToString() + ","))
return;
if (string.IsNullOrEmpty(textBox1.Text))
{
textBox1.Text += checkedListBox1.Items[e.Index].ToString();
}
else
{
textBox1.Text += "," + checkedListBox1.Items[e.Index].ToString();
}
}
else
{
checkeditems.Remove(e.Index);
string s = textBox1.Text;
s = "," + s + ",";
s = s.Replace("," + checkedListBox1.Items[e.Index].ToString() + ",", ",");
if (s.StartsWith(","))
s = s.Substring(1, s.Length - 1);
if (s.EndsWith(","))
s = s.Substring(0, s.Length - 1);
textBox1.Text = s;
}
}
string GetFilter()
{
txtstr = textBox1.Text;
string filterstr = "";
if (!string.IsNullOrEmpty(txtstr))
{
string[] cs = txtstr.Split(',');
if (cs.Length != 0)
{
bool ta = true;
foreach (string s in cs)
{
string newColumnFilter = string.Empty;
if (string.IsNullOrEmpty(s))
{
newColumnFilter = String.Format(
"LEN(ISNULL(CONVERT([{0}],'System.String'),''))=0",
ColDataName);
}
else
{
newColumnFilter = "Convert(" + ColDataName + ",'System.String') like '%" + s.Trim() + "%'";
}
if (ta)
{
ta = false;
filterstr = newColumnFilter;
continue;
}
filterstr += " or " + newColumnFilter;
}
}
}
if (!string.IsNullOrEmpty(filterstr))
{
filterstr = " ( " + filterstr + " ) ";
}
return filterstr;
}
private void button1_Click(object sender, EventArgs e)
{
LostFocusExcute(true, GetFilter());
}
}
}