C# DatrgridView表格控件的一些用法

public class useDatrgrivView

    {

        string conn = null;

        string sqlComm = null;

        DataSet das = null;

        DataGridView GridView = null;



        //初始化,绑定

        public useDatrgrivView(DataGridView gridView, string Sconn, string sql)

        {

            conn = Sconn;

            GridView = gridView;

            sqlComm = sql;

            das = SqlHelper.ExecuteDataset(conn, CommandType.Text, sqlComm);

            //绑定

            GridView.DataSource = das.Tables[0];

        }



        #region 冻结列

        /// <summary>

        /// 冻结列

        /// </summary>

        /// <param name="ColumnName">列名</param>

        public void FrozenColumns(string ColumnName)

        {

            GridView.Columns[ColumnName].Frozen = true;

        }

        /// <summary>

        /// 冻结列

        /// </summary>

        /// <param name="grid">表格控件</param>

        /// <param name="ColumnName">列名</param>

        public void FrozenColumns(DataGridView grid, string ColumnName)

        {

            grid.Columns[ColumnName].Frozen = true;

        }

        #endregion





        /// <summary>

        /// 表格奇偶行变换颜色，利用循环实现

        /// </summary>

        /// <param name="color">颜色</param>

        public void RowColorChange(Color color)

        {

            if (GridView.Rows.Count != 0)

            {

                for (int i = 0; i < GridView.Rows.Count; )

                {

                    GridView.Rows[i].DefaultCellStyle.BackColor = color;

                    i += 2;

                }

            }

        }



        #region 关键字查找

        /// <summary>

        /// 关键字查找 ，并显示第一个查找到的,关将焦点转移到此

        /// </summary>

        /// <param name="SearchKey">查找的关键字</param>

        /// <returns>焦点的行</returns>

        public int SearchByKey(string SearchKey)

        {

            int j;

            for ( j = 0; j != GridView.Rows.Count - 1; j++)

            {

                DataGridViewRow dvr = GridView.Rows[j];

                for (int i = 0; i < GridView.ColumnCount; i++)

                {

                    if (dvr.Cells[i].Value.ToString().StartsWith(SearchKey))

                    {

                        GridView.ClearSelection();

                        dvr.Selected = true;

                        GridView.CurrentCell = dvr.Cells[1];

                        break;

                    }

                }

            }

            return j;

        }



        /// <summary>

        /// 关键字查找 ，并显示第一个查找到的,关将焦点转移到此

        /// </summary>

        /// <param name="SearchStar">从哪行开始查找</param>

        /// <param name="SearchKey">关键字</param>

        /// <returns>焦点的行</returns>

        public int SearchByKeyNex(int SearchStar, string SearchKey)

        {

            int j = SearchStar;

            for (j = 0; j != GridView.Rows.Count - 1; j++)

            {

                DataGridViewRow dvr = GridView.Rows[j];

                for (int i = 0; i < GridView.ColumnCount; i++)

                {

                    if (dvr.Cells[i].Value.ToString().StartsWith(SearchKey))

                    {

                        GridView.ClearSelection();

                        dvr.Selected = true;

                        GridView.CurrentCell = dvr.Cells[1];

                        break;

                    }

                }

            }

            return j;

        }

        

        #endregion





       

    }

调用 ：

 udv.FrozenColumns("***");

            //奇偶行颜色

            udv.RowColorChange(System.Drawing.Color.Pink);

            //关键字查找

            udv.SearchByKey("**");