gridView的一个增加行的有关问题

gridView的一个增加行的问题

C# code

    protected void btnAddCell_Click(object sender, EventArgs e)    {        data();             }    private void data()    {        DataTable dt = new DataTable();        DataRow  row = null;        TableCell cell = new TableCell();        DataColumn field;        if (dt.Rows.Count == 0)        {            for (int i = 0; i < 5; i++)            {                Random ran = new Random();                cell = new TableCell();                field = new DataColumn();                                              row = dt.NewRow();                                row.Table.Columns.Add(field);                           }            dt.Rows.Add(row);                    }         this.GridData2.DataSource = dt;        this.GridData2.DataBind();    }

我现在想点击增加行的时候就出现一行，在次点击就在这个基础上加一行，加下面。

[解决办法]
private void data()
{
if(ViewState["Dt"]!=null)
{
//dt=ViewState["Dt"] as DataTable;
//NewROW()
//Row.add
//绑定
ViewState["Dt"]=dt;
}
else
{
DataTable dt = new DataTable();
DataRow row = null;
TableCell cell = new TableCell();
DataColumn field;

if (dt.Rows.Count == 0)
{
for (int i = 0; i < 5; i++)
{
Random ran = new Random();
cell = new TableCell();

field = new DataColumn();


row = dt.NewRow();

row.Table.Columns.Add(field);

}
dt.Rows.Add(row);

} 

this.GridData2.DataSource = dt;
this.GridData2.DataBind(); 
ViewState["Dt"]=dt;
}
}

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