asp.net GridView增加删除功能

protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)

{

string id = GridView1.DataKeys[e.RowIndex].Value.ToString();

bool b = new olecado().deletecategory(id);

if (b)

{

string bianm = Request.QueryString["bm"].ToString().Trim();

rebindby(bianm);

}

}

/// <summary>

/// 删除

/// </summary>

/// <param name="id"></param>

/// <returns></returns>

public bool deletecategory(string id)

{

bool flag = false;

string cmdtext = "delete from ry where ;

OleDbParameter[] paras = new OleDbParameter[] { new OleDbParameter("@id", id) };

int res = olehelper.execnonquery(cmdtext, paras, CommandType.Text);

if (res > 0)

{

flag = true;

}

return flag;

}