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DataTable tbl = new DataTable("Result");
DataColumn dc = null;
dc = tbl.Columns.Add("ID", Type.GetType("System.Int32"));
dc.AutoIncrement = true;
dc.AutoIncrementSeed = 1;
dc.AutoIncrementStep = 1;
dc.AllowDBNull = false;
dc = tbl.Columns.Add("Product", Type.GetType("System.String"));
dc = tbl.Columns.Add("Version", Type.GetType("System.String"));
dc = tbl.Columns.Add("Description", Type.GetType("System.String"));
DataRow row;
row = tbl.NewRow();
row["Product"] = "Knife";
row["Version"] = "2.0";
row["Description"] = "Prepare for fight!";
tbl.Rows.Add(row);
dataGridView1.Columns.Add("Product", "Product");
dataGridView1.Columns.Add("Version", "Version");
dataGridView1.Columns.Add("Description", "Description");
dataGridView1.DataSource = tbl;
DataTable tbl = new DataTable("Result");
DataColumn dc = null;
dc = tbl.Columns.Add("ID", Type.GetType("System.Int32"));
dc.AutoIncrement = true;
dc.AutoIncrementSeed = 1;
dc.AutoIncrementStep = 1;
dc.AllowDBNull = false;
dc = tbl.Columns.Add("Product", Type.GetType("System.String"));
dc = tbl.Columns.Add("Version", Type.GetType("System.String"));
dc = tbl.Columns.Add("Description", Type.GetType("System.String"));
DataRow row;
row = tbl.NewRow();
row["Product"] = "Knife";
row["Version"] = "2.0";
row["Description"] = "Prepare for fight!";
tbl.Rows.Add(row);
dataGridView1.Columns.Add("Product", "Product");
dataGridView1.Columns.Add("Version", "Version");
dataGridView1.Columns.Add("Description", "Description");
dataGridView1.Columns["Product"].DataPropertyName = "Product";
dataGridView1.Columns["Version"].DataPropertyName = "Version";
dataGridView1.Columns["Description"].DataPropertyName = "Description";
dataGridView1.AllowUserToAddRows = false;
dataGridView1.AutoGenerateColumns = false;
dataGridView1.DataSource = tbl;
//第一次
dataGridView1.Columns.Add("Product", "Product");
dataGridView1.Columns.Add("Version", "Version");
dataGridView1.Columns.Add("Description", "Description");
//第二次
dataGridView1.DataSource = tbl;
DataTable tbl = new DataTable("Result");
DataColumn dc = null;
dc = tbl.Columns.Add("ID", Type.GetType("System.Int32"));
dc.AutoIncrement = true;
dc.AutoIncrementSeed = 1;
dc.AutoIncrementStep = 1;
dc.AllowDBNull = false;
dc = tbl.Columns.Add("Product", Type.GetType("System.String"));
dc = tbl.Columns.Add("Version", Type.GetType("System.String"));
dc = tbl.Columns.Add("Description", Type.GetType("System.String"));
DataRow row;
row = tbl.NewRow();
row["Product"] = "Knife";
row["Version"] = "2.0";
row["Description"] = "Prepare for fight!";
tbl.Rows.Add(row);
DataSet ds=new DataSet();
ds.Table.Add(tbl);
dataGridView1.DataSource = ds;
dataGridView1.DataBind();