数据未在gridview中加载。指数超出范围。必须是非负数且小于集合的大小。 [英] Data not loading in gridview. Index was out of range. Must be non-negative and less than the size of the collection.
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问题描述
.aspx代码
.aspx code
<asp:GridView ID="GridView1" runat="server" OnRowDataBound="GridView1_RowDataBound" AutoGenerateColumns="false" ShowHeaderWhenEmpty="true" EmptyDataText="No records Found">
</asp:GridView>
.cs代码
.cs code
public partial class Pending : System.Web.UI.Page
{
SqlConnection con = new SqlConnection("Data Source=jayraj-pc\\sqlexpress;Initial Catalog=Internship;Integrated Security=True;Pooling=False");
protected void Page_Load(object sender, EventArgs e)
{
BindGridviewData();
}
protected void BindGridviewData()
{
con.Open();
string p = "Pending";
SqlCommand cmd = new SqlCommand("select FirstName,LastName,LocationPreference,College,Status,null as 'Action',null as 'Actions',UserID,InternshipID from UsersApplied where InternshipID='" + Request.QueryString["InternshipID"].ToString() + "' and Status='" + p + "'", con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
da.Fill(ds);
//DataTable dt = new DataTable();
//da.Fill(dt);
// if (dt.Rows.Count > 0)
if (ds.Tables[0].Rows.Count == 0)
{
ds.Tables[0].Rows.Add(ds.Tables[0].NewRow());
GridView1.DataSource = ds;
GridView1.DataBind();
int columncount = GridView1.Rows[0].Cells.Count;
GridView1.Rows[0].Cells.Clear();
GridView1.Rows[0].Cells.Add(new TableCell());
GridView1.Rows[0].Cells[0].ColumnSpan = columncount;
GridView1.Rows[0].Cells[0].Text = "No Records Found";
//GridView1.DataSource = dt;
//GridView1.DataBind();
//Pending();
}
else
{
GridView1.DataSource = ds;
GridView1.DataBind();
}
con.Close();
}
推荐答案
我想你想要显示空格子(一个带有状态文本的空白行),这里有几个解决方案
GridView - 在空数据源上显示标题 [ ^ ]
I think you want show the empty Grid(one blank row with status text), here couple of solutions
GridView - Show headers on empty data source[^]
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