在C#中实现listbox的项上下移动（winform） 标准

在C#中实现listbox的项上下移动（winform）

收藏人：梅毛子360

2013-10-02 | 阅：1  转：2  |  分享

|    来源

 

 

  

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                string item = listBox1.SelectedItem.ToString();
                int i = listBox1.SelectedIndex;
                if (i == 0)
                    return;
                listBox1.Items.Remove(listBox1.SelectedItem.ToString());
                listBox1.Items.Insert(i - 1, item);
                listBox1.SelectedIndex = i - 1;
            }
            catch (Exception)
            {
                MessageBox.Show("未选择项！");
            }

        }

        private void button2_Click(object sender, EventArgs e)
        {
            try
            {
                string item = listBox1.SelectedItem.ToString();
                int i = listBox1.SelectedIndex;
                if (i == listBox1.Items.Count - 1)
                    return;
                listBox1.Items.Remove(listBox1.SelectedItem.ToString());
                listBox1.Items.Insert(i + 1, item);
                listBox1.SelectedIndex = i + 1;
            }
            catch (Exception)
            {

                MessageBox.Show("未选择项！");
            }

        }
    }
}

--------------------------------------------------------------------------------------------------------------------------

C# winform listBox中的项上下移动

晨曦之光 发表于 2012-5-16 17:15 1年前, 0回/136阅

 

开源中国 5 周年，史上最牛定制开源马克杯！

//上移节点
        private void btnUP_Click(object sender, EventArgs e)
        {
            int lbxLength = this.listBoxMenu.Items.Count;//listbox的长度   
            int iselect = this.listBoxMenu.SelectedIndex;//listbox选择的索引   
            if (lbxLength > iselect && iselect>0)
            {
                object oTempItem = this.listBoxMenu.SelectedItem;
                this.listBoxMenu.Items.RemoveAt(iselect);
                this.listBoxMenu.Items.Insert(iselect - 1, oTempItem);
                this.listBoxMenu.SelectedIndex = iselect - 1;
            }   
        }
        //下移节点
        private void btnDown_Click(object sender, EventArgs e)
        {
            int lbxLength = this.listBoxMenu.Items.Count;//listbox的长度   
            int iselect = this.listBoxMenu.SelectedIndex;//listbox选择的索引   
            if (lbxLength > iselect && iselect<lbxLength-1)
            {
                object oTempItem = this.listBoxMenu.SelectedItem;
                this.listBoxMenu.Items.RemoveAt(iselect);
                this.listBoxMenu.Items.Insert(iselect + 1, oTempItem);
                this.listBoxMenu.SelectedIndex = iselect + 1;
            }   
        }

原文链接：http://blog.csdn.net/maji9370/article/details/4294032

 

标签： <无>

 

 

 

-----------------------------------------------------------------------------------------------自己编写的 还是有点小问题  绑定的数据源移动有问题 自己加载的就可以使用

 

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using GHGD.BLL;

namespace GHGD.UI
{
public partial class Form1 : Form
{
FrmDic_BLL frmDic_BLL = new FrmDic_BLL();
int strID = 0;
public Form1()
{
InitializeComponent();

}

private void Form1_Load(object sender, EventArgs e)
{
//ListBox lst_frmDic_Type_Property = new ListBox();
//lst_frmDic_Type_Property.Items.Add("1");
//lst_frmDic_Type_Property.Items.Add("2");
//lst_frmDic_Type_Property.Items.Add("3");
//lst_frmDic_Type_Property.Items.Add("4");
//lst_frmDic_Type_Property.Items.Add("5");

DataSet dsFrmDic = frmDic_BLL.FrmDic_Dic_GetInfo();
lst_frmDic_Type.DataSource = dsFrmDic.Tables[0];
lst_frmDic_Type.DisplayMember = "DICType";
lst_frmDic_Type.ValueMember = "ID";

//for (int i = 0; i < 10; i++)
// lst_frmDic_Type_Property.Items.Add(i + 1);
}

private void lst_frmDic_Type_SelectedValueChanged(object sender, EventArgs e)
{
string strLstDicType = lst_frmDic_Type.Text;
FrmDicTypePropertyOnLoad(strLstDicType);
}

private void FrmDicTypePropertyOnLoad(string strLstDicType)
{
DataSet dsFrmDicTypeProperty = frmDic_BLL.FrmDic_Dic_GetInfo_Type(strLstDicType);
lst_frmDic_Type_Property.DataSource = dsFrmDicTypeProperty.Tables[0];
lst_frmDic_Type_Property.DisplayMember = "DICName";
lst_frmDic_Type_Property.ValueMember = "ID";
}

private void lst_frmDic_Type_Porperty_SelectedIndexChanged(object sender, EventArgs e)
{
string strLstDicTypeProperty = lst_frmDic_Type_Property.Text;
txt_frmDicTypePorperty_word.Text = strLstDicTypeProperty;
DataSet ds = frmDic_BLL.FrmDic_Dic_GetTypeProperty_ID(strLstDicTypeProperty);
strID = Convert.ToInt32(ds.Tables[0].Rows[0]["ID"]);
}

private void btn_frmDicType_MoveUp_Click(object sender, EventArgs e)
{
int position = lst_frmDic_Type_Property.SelectedIndex;
string value = lst_frmDic_Type_Property.SelectedItem.ToString();
MessageBox.Show("position: " + position + " _ " + "value: " + value);
if (position == 0)
{
MessageBox.Show("已在当前最顶端,无法再移动...");
return;
}
else
{
lst_frmDic_Type_Property.Items.RemoveAt(position);
lst_frmDic_Type_Property.Items.Insert(position - 1, value);
}
lst_frmDic_Type_Property.SetSelected(position - 1, true);

}

private void btn_frmDicType_MoveDown_Click(object sender, EventArgs e)
{
int position = lst_frmDic_Type_Property.SelectedIndex;
string value = lst_frmDic_Type_Property.SelectedItem.ToString();
if (position == lst_frmDic_Type_Property.Items.Count - 1)
{
MessageBox.Show("已在当前最底端,无法再移动...");
return;
}
else
{
lst_frmDic_Type_Property.Items.RemoveAt(position);
lst_frmDic_Type_Property.Items.Insert(position + 1, value);

}
lst_frmDic_Type_Property.SetSelected(position + 1, true);
}
}
}

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