001.using System;
002.using System.Data;
003.using System.Web.UI.WebControls;
004.
005.protected void Page_Load(object sender, EventArgs e)
006.{
007. if (!IsPostBack)
008. {
009. BindGridview();
010. BindSecondGrid();
011. }
012.}
013.
014.protected void BindGridview()
015.{
016. DataTable dt = new DataTable();
017. dt.Columns.Add("UserId", typeof(Int32));
018. dt.Columns.Add("UserName", typeof(string));
019. dt.Columns.Add("Education", typeof(string));
020. dt.Columns.Add("Location", typeof(string));
021. DataRow dtrow = dt.NewRow();
022. dtrow["UserId"] = 1;
023. dtrow["UserName"] = "SureshDasari";
024. dtrow["Education"] = "B.Tech";
025. dtrow["Location"] = "Chennai";
026. dt.Rows.Add(dtrow);
027. dtrow = dt.NewRow();
028. dtrow["UserId"] = 2;
029. dtrow["UserName"] = "MadhavSai";
030. dtrow["Education"] = "MBA";
031. dtrow["Location"] = "Nagpur";
032. dt.Rows.Add(dtrow);
033. dtrow = dt.NewRow();
034. dtrow["UserId"] = 3;
035. dtrow["UserName"] = "MaheshDasari";
036. dtrow["Education"] = "B.Tech";
037. dtrow["Location"] = "Nuzividu";
038. dt.Rows.Add(dtrow);
039. gvDetails.DataSource = dt;
040. gvDetails.DataBind();
041.}
042.protected void chkSelect_CheckChanged(object sender, EventArgs e)
043.{
044. GetSelectedRows();
045. BindSecondGrid();
046.}
047.protected void BindSecondGrid()
048.{
049. DataTable dt = (DataTable)ViewState["GetRecords"];
050. gvTranferRows.DataSource = dt;
051. gvTranferRows.DataBind();
052.}
053.private void GetSelectedRows()
054.{
055. DataTable dt;
056. if (ViewState["GetRecords"] != null)
057. {
058. dt = (DataTable)ViewState["GetRecords"];
059. }
060. else
061. {
062. dt = CreateTable();
063. }
064. for (int i = 0; i < gvDetails.Rows.Count; i++)
065. {
066. CheckBox chk = (CheckBox)gvDetails.Rows[i].Cells[0].FindControl("chkSelect");
067. if (chk.Checked)
068. {
069. dt = AddGridRow(gvDetails.Rows[i], dt);
070. }
071. else
072. {
073. dt = RemoveRow(gvDetails.Rows[i], dt);
074. }
075. }
076. ViewState["GetRecords"] = dt;
077.}
078.
079.private DataTable CreateTable()
080.{
081. DataTable dt = new DataTable();
082. dt.Columns.Add("UserId");
083. dt.Columns.Add("UserName");
084. dt.Columns.Add("Education");
085. dt.Columns.Add("Location");
086. dt.AcceptChanges();
087. return dt;
088.}
089.
090.private DataTable AddGridRow(GridViewRow gvRow, DataTable dt)
091.{
092. DataRow[] dr = dt.Select("UserId = '" + gvRow.Cells[1].Text + "'");
093. if (dr.Length <= 0)
094. {
095. dt.Rows.Add();
096. int rowscount = dt.Rows.Count - 1;
097. dt.Rows[rowscount]["UserId"] = gvRow.Cells[1].Text;
098. dt.Rows[rowscount]["UserName"] = gvRow.Cells[2].Text;
099. dt.Rows[rowscount]["Education"] = gvRow.Cells[3].Text;
100. dt.Rows[rowscount]["Location"] = gvRow.Cells[4].Text;
101. dt.AcceptChanges();
102. }
103. return dt;
104.}
105.
106.private DataTable RemoveRow(GridViewRow gvRow, DataTable dt)
107.{
108. DataRow[] dr = dt.Select("UserId = '" + gvRow.Cells[1].Text + "'");
109. if (dr.Length > 0)
110. {
111. dt.Rows.Remove(dr[0]);
112. dt.AcceptChanges();
113. }
114. return dt;
115.}
