C# DataGirdview手动添加数据，导出txt文件并自动对齐

//DataGirdview手动添加数据

private void btnDataGirdView_Click(object sender,EventArgs e)

{

dataGridView1.Columns.Add("a","标题1");

dataGridView1.Columns.Add("b","标题2");

dataGridView1.Columns.Add("c","标题3");

string[] dr1= { "1","22","3333" };

string[] dr2= { "4444","55","6" };

DataGridViewRow Row=new DataGridViewRow();

int index=dataGridView1.Rows.Add(Row);

dataGridView1.Rows[index].Cells[0].Value=dr1[0].ToString();

dataGridView1.Rows[index].Cells[1].Value=dr1[1].ToString();

dataGridView1.Rows[index].Cells[2].Value=dr1[2].ToString();

DataGridViewRow Row2=new DataGridViewRow();

int index2=dataGridView1.Rows.Add(Row2);

dataGridView1.Rows[index2].Cells[0].Value=dr2[0];

dataGridView1.Rows[index2].Cells[1].Value=dr2[1];

dataGridView1.Rows[index2].Cells[2].Value=dr2[2];

}

//DataGirdview导出txt文件，并自动对齐

private void btnOutPutText_Click(object sender,EventArgs e)

{

string FullFileName=@"D:\aaa.txt";

// FileStream fs=new FileStream(FullFileName,FileMode.CreateNew);

StreamWriter sw=new StreamWriter(FullFileName,true,Encoding.Default);

string str="";

for(int i=0;i<dataGridView1.Rows.Count-1;i++)

{

for(int j=0;j<dataGridView1.Columns.Count;j++)

{

str=dataGridView1.Rows[i].Cells[j].Value.ToString().Trim();

if(str.Length<10)

str=str.PadRight(10,' ');

str=str+"|";

sw.Write(str);

}

sw.WriteLine("");

}

sw.Close();

}