protected void LinkDeleteInf_Click(object sender, EventArgs e)
{
LinkButton lb = (LinkButton)sender;
GridViewRow gvRow = (GridViewRow)lb.NamingContainer;
int rowID = gvRow.RowIndex;
if (ViewState["CurrentTableInf"] != null)
{
DataTable dt = (DataTable)ViewState["CurrentTableInf"];
if (dt.Rows.Count > 1)
{
if (gvRow.RowIndex < dt.Rows.Count - 1)
{
//Remove the Selected Row data and reset row number
dt.Rows.Remove(dt.Rows[rowID]);
ResetRowIDInf(dt);
}
}
//Store the current data in ViewState for future reference
ViewState["CurrentTableInf"] = dt;
//Re bind the GridView for the updated data
GridviewInf.DataSource = dt;
GridviewInf.DataBind();
}
//Set Previous Data on Postbacks
SetPreviousDataInf();
}
private void AddNewRowToGridinf()
{
if (ViewState["CurrentTableInf"] != null)
{
DataTable dtCurrentTable = (DataTable)ViewState["CurrentTableInf"];
DataRow drCurrentRow = null;
if (dtCurrentTable.Rows.Count > 0)
{
drCurrentRow = dtCurrentTable.NewRow();
drCurrentRow["NumeroI"] = dtCurrentTable.Rows.Count + 1;
//add new row to DataTable
dtCurrentTable.Rows.Add(drCurrentRow);
for (int i = 0; i < dtCurrentTable.Rows.Count - 1; i++)
{
//extract the TextBox values
TextBox box1 = (TextBox)GridviewInf.Rows[i].Cells[1].FindControl("TxtInf");
dtCurrentTable.Rows[i]["Column1"] = box1.Text;
}
//Store the current data to ViewState for future reference
ViewState["CurrentTableInf"] = dtCurrentTable;
//Rebind the Grid with the current data to reflect changes
GridviewInf.DataSource = dtCurrentTable;
GridviewInf.DataBind();
}
}
else
{
Response.Write("ViewState is null");
}
//Set Previous Data on Postbacks
SetPreviousDataInf();
}
//Inferior
private void SetInitialRowinf()
{
DataTable dt = new DataTable();
DataRow dr = null;
dt.Columns.Add(new DataColumn("NumeroI", typeof(string)));
dt.Columns.Add(new DataColumn("Column1", typeof(string)));//for TextBox value
dr = dt.NewRow();
dr["NumeroI"] = 1;
dr["Column1"] = string.Empty;
dt.Rows.Add(dr);
//Guardar un Viewstate para hacer referencia
ViewState["CurrentTableInf"] = dt;
//Bind the Gridview
GridviewInf.DataSource = dt;
GridviewInf.DataBind();
}
