简单实现winform编辑器

概述本文实例为大家分享了winform编辑器的具体实现代码，供大家参考，具体内容如下

本文实例为大家分享了winform编辑器的具体实现代码，供大家参考，具体内容如下

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.linq;using System.Text;using System.Threading.Tasks;using System.windows.Forms;using System.Data.sqlClIEnt;using System.IO;namespace winformDemo{ public partial class Form1 : Form {  public Form1()  {   InitializeComponent();   //让textBox2隐藏   this.textBox2.Visible = false;   //让dataGrIDVIEw1表中的最后一行空值隐藏掉   this.dataGrIDVIEw1.AllowUserToAddRows = false;  }  sqlConnection con = new sqlConnection();  sqlCommand com = new sqlCommand();  OpenfileDialog open = new OpenfileDialog();  /// <summary>  /// 行  /// </summary>  string ClickRow = "";  /// <summary>  /// 列  /// </summary>  string ClickCells = "";  /// <summary>  /// 行和列相加的字符串  /// </summary>  string sqlLanding = "server=.;uID=sa;pwd=123456789;database=myfirstDemo";  private voID dataGrIDVIEw1_CellContentClick(object sender,DataGrIDVIEwCellEventArgs e)  {   //获取正在点击的行和列。   ClickRow = this.dataGrIDVIEw1.Rows[e.RowIndex].Cells[0].Value.ToString();   ClickCells = this.dataGrIDVIEw1.Rows[e.RowIndex].Cells[1].Value.ToString();  }  private voID Form1_Load(object sender,EventArgs e)  {   SelectInfo();  }  public voID SelectInfo()  {   //断开式链接查看数据库数据   con.ConnectionString = sqlLanding;   com.CommandText = "select name as 文件名,TxtLuJing as 文件路径 from TxtBianJiQi";   com.Connection = con;   DataSet ds = new DataSet();   sqlDataAdapter sda = new sqlDataAdapter(com);   sda.Fill(ds);   this.dataGrIDVIEw1.DataSource = ds.tables[0];  }  private voID 打开ToolStripMenuItem_Click(object sender,EventArgs e)  {   string filepath = ClickCells + ClickRow;   this.textBox2.Visible = true;   try   {    //只读流；    fileStream fss = new fileStream(filepath,fileMode.OpenorCreate,fileAccess.Read);    StreamReader sww = new StreamReader(fss,EnCoding.Default);    textBox2.Text = sww.ReadToEnd();    sww.Close();    fss.Close();   }   catch (Exception ex)   {    //如果没有选择路径提示出一句话；    MessageBox.Show("查看路径错误：" + ex.Message);   }  }  private voID 保存ToolStripMenuItem_Click(object sender,EventArgs e)  {   string filepath = ClickCells + ClickRow;   try   {    //只写流；    fileStream fss = new fileStream(filepath,fileMode.Create,fileAccess.Write);    StreamWriter sww = new StreamWriter(fss,EnCoding.Default);    sww.Write(textBox2.Text);    sww.Close();    fss.Close();    MessageBox.Show("保存成功！");   }   catch (Exception ex)   {    //如果没有选择路径提示出一句话；    MessageBox.Show("保存路径错误：" + ex.Message);   }   this.textBox2.Visible = false;  }  private voID 新建ToolStripMenuItem_Click(object sender,EventArgs e)  {   this.textBox2.Text = "";   string localfilePath = "";   string filenameExt = "";   string flIE = "";   SavefileDialog savefileDialog = new SavefileDialog();   //打开默认的文件目录   savefileDialog.InitialDirectory = "D:\\Text\";   //文件后缀名   savefileDialog.Filter = "文本文件(*.txt)|*.txt|所有文件(*.*)|*.*";   savefileDialog.FilterIndex = 2;   string LuJing = savefileDialog.InitialDirectory;   if (savefileDialog.ShowDialog() == DialogResult.OK)   {    flIE = savefileDialog.filename;    //文件目录名    localfilePath = savefileDialog.filename.ToString();    //截取文件名字    filenameExt = localfilePath.Substring(localfilePath.LastIndexOf("\") + 1);   }   string sql = "select name from TxtBianJiQi";   sqlCommand co = new sqlCommand(sql,con);   sqlDataAdapter da = new sqlDataAdapter(co);   DataSet dss = new DataSet();   da.Fill(dss);   //循环判断传入的表中name   for (int i = 0; i < dss.tables[0].Rows.Count; i++)   {    //定一个变量去接获取出来name    string ss = dss.tables[0].Rows[i][0].ToString();    //判断对话框里输入的值是否与查出来的name相同    if (filenameExt == ss)    {     MessageBox.Show("文件已更改！");     return;    }   }   try   {    //只写流    fileStream fs = new fileStream(flIE,fileAccess.Write);    StreamWriter sw = new StreamWriter(fs,EnCoding.Default);//对话框另存为。    sw.Write(textBox2.Text);    sw.Flush();    fs.Close();    con.ConnectionString = sqlLanding;    //往数据库添加 文件名和路径名 SQL语句    com.CommandText = String.Format("insert into TxtBianJiQi(name,TxtLuJing)values('{0}','{1}')",filenameExt,LuJing);    com.Connection = con;    con.open();    int insertInto = Convert.ToInt32(com.ExecuteScalar());    if (insertInto > 0)    {     MessageBox.Show(" *** 作失败！请重试。");    }    else    {     MessageBox.Show("添加成功！");     this.textBox2.Visible = false;    }   }   catch (Exception ex)   {    MessageBox.Show("添加日志失败：" + ex.Message);   }   con.Close();   SelectInfo();  }  private voID 删除ToolStripMenuItem_Click(object sender,EventArgs e)  {   con.ConnectionString = sqlLanding;   //从数据库删除正在点击的文件名   com.CommandText = String.Format("delete from TxtBianJiQi where name='{0}'",ClickRow);   com.Connection = con;   con.open();   DialogResult dr = MessageBox.Show("确认删除？","提示",MessageBoxbuttons.OKCancel,MessageBoxIcon.information);   if (dr == DialogResult.OK)   {    int insertInto = Convert.ToInt32(com.ExecuteScalar());    if (insertInto > 0)    {     MessageBox.Show(" *** 作失误！！");    }    else    {     //file.Delete(ClickCells + ClickRow);删除windows里的文件，括号里是要删除文档的路径。     file.Delete(ClickCells + ClickRow);     MessageBox.Show("删除成功！");    }   }   con.Close();   SelectInfo();  }  private voID 退出ToolStripMenuItem_Click(object sender,EventArgs e)  {   this.Close();  } }}

就是写了一个挺简单的在winform里进行填写文本，里面用到的ADO.NET来链接数据库，在新建文本的时候需要写入.txt后缀名，打开或者是删除的时候需要先点击一下文本名。 写的不足请见谅！

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