控制GridView中字段的长度，规范数据

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前台：

<asp:GridView ID="GridView1" runat="server" OnRowDataBound="GridView1_RowDataBound">
<Columns>
<asp:TemplateField>
<HeaderTemplate>
<input id="cb_head" type="checkbox" name="cb_head" onclick="SelectAll(this,<%=GridView1.ClientID %>);" />
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="ChkChild1" runat="server" />
</ItemTemplate>
<ItemStyle HorizontalAlign="Center" />
<FooterStyle HorizontalAlign="Center" />
</asp:TemplateField>
</Columns>
</asp:GridView>

后台：

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
//在RowDataBound事件中调下面的方法
int[] cellIndexs = new int[4]; this.setGridViewInfo(e,1, cellIndexs, 11);
} #region
/// <summary>
/// 控制GridView中显示字符串的长度并在ToolTip中显示全部文本
/// </summary>
/// <param name="e">GridViewRowEventArgs e</param>
/// <param name="cellIndexs">GridView中显示单元格的个数</param>
/// <param name="maxStrLength">要显示的最大字符串长度</param>
private void setGridViewInfo(System.Web.UI.WebControls.GridViewRowEventArgs e,int stata_index, int[] cellIndexs, int maxStrLength)
{
string CellText = string.Empty; //因为我的GridView前一列是CheckBox，所以i从1开始
for (int i = stata_index; i < cellIndexs.Length; i++)
{
CellText = e.Row.Cells[i].Text.Trim(); if (CellText.Length > maxStrLength)
{
e.Row.Cells[i].Text = CellText.Substring(0, maxStrLength - 1) + " <strong style='Color:blue' mce_style='Color:blue'> ... </strong>"; e.Row.Cells[i].ToolTip = CellText;
}
}
}
#endregion